Kernel LLVM AMD Phenom II X4 965 testing with a MSI 890FXA-GD70 (MS-7640) v1.0 (V1.8 BIOS) and MSI NVIDIA GeForce GTX 650 Ti 1GB on ManjaroLinux 21.0.4 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2105191-HA-2105120HA73&grs .
Kernel LLVM Processor Motherboard Chipset Memory Disk Graphics Audio Network OS Kernel Desktop Display Server Display Driver OpenGL Vulkan Compiler File-System Screen Resolution Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 AMD Phenom II X4 965 @ 3.30GHz (4 Cores) MSI 890FXA-GD70 (MS-7640) v1.0 (V1.8 BIOS) AMD RD890 PCI-e GFX Hydra part 16GB 116GB Samsung SSD 840 + 200GB Seagate ST3200822AS MSI NVIDIA GeForce GTX 650 Ti 1GB Realtek ALC892 Realtek RTL8111/8168/8411 ManjaroLinux 21.0.4 5.12.2-153-tkg-pds-llvm (x86_64) KDE Plasma 5.21.4 X Server 1.20.11 NVIDIA 465.27 4.6.0 1.2.168 GCC 10.2.0 + Clang 13.0.0 btrfs 1920x1080 5.12.2-153-tkg-pds (x86_64) 5.12.2-153-tkg-pds-llvm (x86_64) GCC 10.2.0 + Clang 11.1.0 + LLVM 11.1.0 5.12.2-154-tkg-pds (x86_64) 5.12.4-156-tkg-pds (x86_64) 5.12.4-157-tkg-pds (x86_64) OpenBenchmarking.org Kernel Details - Transparent Huge Pages: always Environment Details - Kernel LLVM: __GL_ExperimentalPerfStrategy=1 __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC: __GL_ExperimentalPerfStrategy=1 __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel LLVM 11.1: __GL_ExperimentalPerfStrategy=1 __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC 11.1.1: __GL_ExperimentalPerfStrategy=1 LTO_EXTRA_CFLAGS="-fgraphite-identity -floop-nest-optimize -fgcse-las -fgcse-sm -floop-interchange -floop-strip-mine -floop-block -ftree-loop-distribution -fno-signed-zeros -fno-trapping-math -fassociative-math -freciprocal-math -fno-math-errno -ffinite-math-only -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast -fdevirtualize-at-ltrans -feliminate-unused-debug-types -ftree-vectorize -mfpmath=sse -fno-semantic-interposition -ftree-loop-distribute-patterns -malign-data=cacheline -ftree-loop-vectorize -fbranch-target-load-optimize -fno-common" __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC second: __GL_ExperimentalPerfStrategy=1 LTO_EXTRA_CFLAGS="-fgraphite-identity -floop-nest-optimize -fdevirtualize-at-ltrans -fno-semantic-interposition -fno-signed-zeros -fno-trapping-math -fassociative-math -freciprocal-math -fno-math-errno -ffinite-math-only -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast -fuse-linker-plugin -fno-fat-lto-objects" __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 - Kernel GCC -O2: __GL_ExperimentalPerfStrategy=1 LTO_EXTRA_CFLAGS="-fpredictive-commoning -fgcse-after-reload -fvect-cost-model -ftree-partial-pre -ftree-vectorize -funsafe-math-optimizations -fgraphite-identity -floop-nest-optimize -fdevirtualize-at-ltrans -fno-semantic-interposition -fno-signed-zeros -fno-trapping-math -fassociative-math -freciprocal-math -fno-math-errno -ffinite-math-only -fno-rounding-math -fno-signaling-nans -fcx-limited-range -fexcess-precision=fast -fno-plt -fuse-linker-plugin -fno-fat-lto-objects -march=native -O2" __GL_IGNORE_GLSL_EXT_REQS=1 __GL_THREADED_OPTIMIZATIONS=1 __GL_SHADER_DISK_CACHE=1 __GL_SHADER_CACHE=1 __GL_ALLOW_UNOFFICIAL_PROTOCOL=1 Disk Details - BFQ / commit=120,compress=zstd:3,discard=async,lazytime,noatime,rw,space_cache,ssd_spread,subvol=/@home,subvolid=258 / Block Size: 4096 Processor Details - Scaling Governor: acpi-cpufreq performance - CPU Microcode: 0x10000c8 Security Details - itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Not affected + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable STIBP: disabled + srbds: Not affected + tsx_async_abort: Not affected
Kernel LLVM perf-bench: Futex Lock-Pi iperf: 5201 - 10 Seconds - TCP - 1 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 64 iperf: 5201 - 10 Seconds - TCP - 32 iperf: 5201 - 10 Seconds - TCP - 64 openssl: RSA 4096-bit Performance rocksdb: Rand Fill rocksdb: Rand Fill Sync hackbench: 1 - Process schbench: 8 - 4 hackbench: 8 - Thread hackbench: 16 - Thread perf-bench: Epoll Wait hackbench: 8 - Process ipc-benchmark: FIFO Named Pipe - 128 stress-ng: Semaphores hackbench: 4 - Process hackbench: 4 - Thread ipc-benchmark: Unnamed Unix Domain Socket - 512 hackbench: 16 - Process ipc-benchmark: Unnamed Pipe - 128 osbench: Create Files ipc-benchmark: Unnamed Unix Domain Socket - 128 rocksdb: Seq Fill rocksdb: Rand Read hackbench: 1 - Thread pmbench: 4 - 80% Reads 20% Writes ipc-benchmark: TCP Socket - 128 ipc-benchmark: TCP Socket - 512 ipc-benchmark: Unnamed Unix Domain Socket - 2048 ipc-benchmark: TCP Socket - 256 hackbench: 2 - Thread perf-bench: Sched Pipe stress-ng: Context Switching stress-ng: System V Message Passing ipc-benchmark: Unnamed Unix Domain Socket - 256 stress-ng: SENDFILE hackbench: 2 - Process apache: Static Web Page Serving wireguard: osbench: Launch Programs ipc-benchmark: TCP Socket - 1024 ipc-benchmark: FIFO Named Pipe - 256 rocksdb: Read While Writing iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 32 ipc-benchmark: Unnamed Unix Domain Socket - 4096 osbench: Memory Allocations ipc-benchmark: FIFO Named Pipe - 512 leveldb: Overwrite pmbench: 1 - 100% Reads ipc-benchmark: TCP Socket - 2048 leveldb: Overwrite ipc-benchmark: TCP Socket - 4096 ipc-benchmark: FIFO Named Pipe - 4096 pmbench: 1 - 80% Reads 20% Writes osbench: Create Processes stress-ng: Glibc Qsort Data Sorting postmark: Disk Transaction Performance pmbench: 4 - 100% Reads leveldb: Rand Read stress-ng: Socket Activity sqlite-speedtest: Timed Time - Size 1,000 mbw: Memory Copy, Fixed Block Size - 512 MiB leveldb: Rand Delete perf-bench: Memset 1MB leveldb: Fill Sync ipc-benchmark: Unnamed Unix Domain Socket - 1024 leveldb: Fill Sync leveldb: Rand Fill ipc-benchmark: Unnamed Pipe - 256 t-test1: 1 leveldb: Rand Fill stress-ng: MEMFD stress-ng: CPU Cache mbw: Memory Copy, Fixed Block Size - 1024 MiB leveldb: Seq Fill leveldb: Seq Fill pmbench: 4 - 50% pmbench: 4 - 100% Writes stress-ng: Forking ipc-benchmark: Unnamed Pipe - 4096 leveldb: Hot Read pmbench: 1 - 50% pmbench: 2 - 50% ipc-benchmark: FIFO Named Pipe - 1024 mbw: Memory Copy, Fixed Block Size - 4096 MiB ipc-benchmark: Unnamed Pipe - 1024 pmbench: 1 - 100% Writes mbw: Memory Copy - 4096 MiB ipc-benchmark: Unnamed Pipe - 512 perf-bench: Futex Hash leveldb: Seek Rand mbw: Memory Copy, Fixed Block Size - 128 MiB pmbench: 2 - 100% Writes mbw: Memory Copy - 512 MiB pmbench: 2 - 80% Reads 20% Writes mbw: Memory Copy - 1024 MiB perf-bench: Syscall Basic mbw: Memory Copy - 128 MiB mutex: Shared Mutex Lock Shared pmbench: 2 - 100% Reads t-test1: 2 mutex: Mutex Lock Unlock std::mutex ctx-clock: Context Switch Time stress-ng: Glibc C String Functions stress-ng: Memory Copying perf-bench: Memcpy 1MB ipc-benchmark: FIFO Named Pipe - 2048 stress-ng: Matrix Math ipc-benchmark: Unnamed Pipe - 2048 mutex: Semaphore Release And Acquire stress-ng: Malloc mutex: Mutex Lock Unlock spinlock mutex: Mutex Lock Unlock pthread_mutex mutex: Mutex Lock Unlock std::mutex tinymembench: Standard Memset stress-ng: Atomic mutex: Mutex Lock Unlock spinlock_amd stress-ng: Crypto tinymembench: Standard Memcpy stress-ng: CPU Stress mutex: Mutex Lock Unlock ticket_spinlock stress-ng: Vector Math stress-ng: NUMA pgbench: 100 - 1 - Read Only - Average Latency pgbench: 100 - 1 - Read Only pgbench: 1 - 250 - Read Only - Average Latency pgbench: 1 - 250 - Read Only pgbench: 1 - 100 - Read Only - Average Latency pgbench: 1 - 100 - Read Only pgbench: 1 - 50 - Read Only - Average Latency pgbench: 1 - 50 - Read Only pgbench: 1 - 1 - Read Write - Average Latency pgbench: 1 - 1 - Read Write pgbench: 1 - 1 - Read Only - Average Latency pgbench: 1 - 1 - Read Only iperf: 5201 - 10 Seconds - UDP - 64 iperf: 5201 - 10 Seconds - UDP - 32 iperf: 5201 - 10 Seconds - UDP - 1 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 64 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 32 iperf: 5201 - 10 Seconds - UDP - 1000Mbit Objective - 1 iperf: 5201 - 10 Seconds - UDP - 100Mbit Objective - 1 stress-ng: MMAP hackbench: 32 - Process osbench: Create Threads Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 9738 22637 20179 20013 18133 441.7 452057 490063 10.387 33519 88.294 168.261 365409 79.201 2801157 1229760.03 40.361 44.099 1151175 159.749 2891727 38.822397 1363561 534770 13123433 11.979 0.1240 2985001 2062968 520300 2539979 23.060 214271 548376.44 4225731.83 1204312 53687.47 20.910 16754.67 550.068 95.507304 1453827 2278454 244439 21412 457959 141.110659 1746678 30.3 0.0623 950880 14.570 550089 465636 0.1175 40.930907 36.82 3713 0.0655 2.293 1877.82 132.190 3548.362 13.453 12.033610 17.679 936841 24.9 14.481 2351761 31.999 30.5 9.01 6.84 3575.719 13.957 31.6 0.1191 0.1132 19252.07 468875 2.310 0.1128 0.1161 1280989 3600.373 1285487 0.1038 5105.868 1772787 7193341 3.359 3623.863 0.1065 5146.671 0.1200 5152.911 16627566 5172.974 31.9 0.0640 11.041 25.5 264 112501.83 1019.43 5.969103 807480 11754.15 814387 19.0 11148830.46 42.9 21.3 35.0 5702.3 167420.30 46.9 644.00 5825.3 825.59 24.9 9619.98 38 0.050 19914 4.305 58083 1.445 69196 0.685 73013 7.225 138 0.041 24331 67.1 33.6 1.05 6400 3200 1000 100 12.45 369.548 16.550064 13155 22822 20411 20700 18304 448.0 458917 499640 10.084 28597 77.877 153.611 394078 72.842 3043686 1277296.32 37.050 39.901 1171213 144.751 3040261 36.750389 1374745 544572 13347834 10.963 0.1235 2971343 2054086 559665 2517133 21.534 209932 530566.53 4626477.31 1233688 55850.50 19.354 18155.45 513.194 91.060797 1421362 2299703 239799 21434 473559 135.699351 1776333 31.2 0.0632 944138 14.125 555085 483511 0.1159 39.486885 36.74 3866 0.0649 2.411 1957.06 125.962 3719.911 13.161 11.998912 17.435 964065 25.1 14.137 2337377 31.274 31.2 9.0 6.90 3724.204 13.547 32.6 0.1206 0.1129 19887.81 479683 2.389 0.1135 0.1176 1297216 3722.106 1316913 0.1032 5267.712 1809330 7113178 3.393 3715.488 0.1059 5267.520 0.1209 5257.927 16907939 5259.714 31.6 0.0637 10.939 25.2 266 113135.64 1014.42 5.913378 811570 11754.94 819679 19.1 11170312.20 42.5 21.3 34.7 5691.5 167641.36 46.6 642.70 5826.1 828.24 24.8 9629.61 38 67.1 33.6 1.05 6400 3200 1000 100 13.13 317.405 15.745640 13043 21899 19835 17735 16653 447.8 449078 490666 11.458 28747 88.562 176.700 375558 81.684 2649855 1274218.42 41.255 44.300 1120322 161.291 2722030 39.395617 1336817 535796 13283954 12.146 0.1234 2943227 2044677 515245 2503889 23.498 217433 574464.00 4244091.68 1209161 54398.51 20.888 16830.43 555.201 97.432931 1471645 2150341 247556 20504 448144 137.383382 1747103 29.9 0.0641 948187 14.731 562576 469668 0.1194 40.313403 36.44 3713 0.0672 2.353 1912.64 131.720 3693.634 13.462 12.017047 18.057 926277 24.3 14.722 2283738 32.656 30.0 8.88 6.69 3705.678 13.725 32.2 0.1231 0.1145 19280.77 471693 2.317 0.1138 0.1182 1281112 3689.686 1279652 0.1049 5240.097 1798509 7006665 3.412 3648.544 0.1085 5233.318 0.1218 5252.537 16586283 5160.392 31.9 0.0645 11.144 25.3 264 111451.53 1014.43 5.954150 808658 11766.64 812768 19.0 11061908.02 42.5 21.3 35.0 5677.3 168572.72 46.7 644.6 5809.3 824.83 24.8 9625.42 38 67.1 33.6 1.05 6400 3200 1000 100 12.71 349.937 16.019980 46045 12876 11862 12052 11544 444.1 371696 418203 9.597 29393 77.028 152.801 413997 72.164 2986912 1197368.79 37.338 40.064 1137453 143.683 3034098 39.003627 1411134 490354 12925885 11.390 0.1360 2906209 2016930 558725 2467568 21.931 199049 580896.52 4546211.15 1281031 58610.15 19.701 17756.27 546.302 93.320211 1442407 2306298 236996 20974 474951 143.742005 1835701 31.7 0.0633 941645 13.918 556704 490914 0.1221 39.476554 36.56 3886 0.0648 2.402 1907.72 129.840 3665.782 12.847 11.564334 17.681 933478 24.8 14.159 2360107 32.387 31.2 8.68 6.88 3682.902 13.405 32.9 0.1218 0.1153 19951.99 483566 2.393 0.1142 0.1201 1324519 3689.899 1322294 0.1065 5241.737 1824207 7089686 3.358 3627.968 0.1084 5204.924 0.1218 5221.134 16699690 5171.806 32.2 0.0638 10.960 25.2 268 112275.43 1021.29 5.927645 815678 11746.10 809206 19 11072394.46 42.8 21.3 34.7 5662.7 168463.99 46.8 640.73 5810.2 825.79 24.9 9599.18 38 67.1 33.6 1.05 6400 3200 1000 100 12.43 351.330 14.566580 13819 23105 20614 20959 18373 447.9 416861 456565 9.634 33348 74.730 149.860 416405 71.113 2869905 1359932.39 36.513 39.235 1238737 146.172 3015312 35.352617 1485854 502525 12068951 11.034 0.1254 3200311 2214341 565671 2690253 21.441 217939 577601.31 4499326.25 1316867 56226.78 19.249 17323.23 518.702 90.103944 1533599 2296753 230917 21704 476636 134.984652 1854187 30.2 0.0644 986545 14.596 578088 483240 0.1176 39.393107 34.96 3906 0.0639 2.381 1974.44 126.641 3703.653 13.451 12.113747 17.244 967927 25.4 14.327 2386170 31.710 30.8 8.74 6.93 3705.527 13.703 32.2 0.1206 0.1131 19873.83 485903 2.380 0.1155 0.1161 1314473 3706.983 1294386 0.1051 5247.692 1809716 7118599 3.417 3671.456 0.1064 5241.098 0.1217 5249.699 16880125 5172.919 31.6 0.0643 10.945 25.1 265 112429.17 1020.78 5.906471 818076 11704.68 812662 18.9 11094610.36 42.8 21.5 34.8 5667.0 168252.74 46.7 643.77 5825.9 826.18 24.8 9613.25 38 67.1 33.6 1.05 6400 3200 1000 100 13.45 313.242 15.387853 14193 22992 21101 20839 18311 332.3 437244 482867 9.859 28128 78.033 154.980 420330 72.383 2837381 1198806.70 37.022 40.318 1100539 145.815 2747403 37.181290 1398777 524629 13384934 11.448 0.1239 3201959 2208139 541133 2708985 22.170 206290 550134.82 4464126.75 1301654 54086.78 19.567 17978.08 544.239 91.836452 1535220 2218924 245522 21977 478518 135.752916 1770294 31.3 0.0660 997006 14.070 580561 474902 0.1179 38.854281 36.40 3866 0.0669 2.361 1954.88 126.872 3690.701 13.057 12.028411 17.530 925811 25.0 14.086 2295929 31.885 31.3 9.05 6.97 3701.612 13.674 32.3 0.1237 0.1171 19795.18 475802 2.333 0.1168 0.1196 1292587 3703.680 1292375 0.1063 5250.563 1769426 7039350 3.444 3661.057 0.1085 5246.118 0.1191 5237.287 16907112 5171.078 31.6 0.0649 10.960 25.2 265 112106.26 1028.26 5.890760 812530 11615.23 814485 19.0 11104734.09 42.5 21.3 34.9 5687.4 167506.68 46.7 644.11 5800.1 826.11 24.8 9615.20 38 67.1 33.6 1.05 6400 3200 1000 100 12.77 335.226 14.147758 OpenBenchmarking.org
perf-bench Benchmark: Futex Lock-Pi OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Futex Lock-Pi Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 10K 20K 30K 40K 50K SE +/- 7.69, N = 3 SE +/- 20.00, N = 3 SE +/- 12.14, N = 3 SE +/- 2731.13, N = 12 SE +/- 136.18, N = 3 SE +/- 199.05, N = 3 9738 13155 13043 46045 13819 14193 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 1 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 5K 10K 15K 20K 25K SE +/- 273.77, N = 15 SE +/- 85.32, N = 3 SE +/- 212.79, N = 3 SE +/- 109.87, N = 3 SE +/- 353.22, N = 14 SE +/- 214.91, N = 3 22637 22822 21899 12876 23105 22992 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 64 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 5K 10K 15K 20K 25K SE +/- 67.90, N = 3 SE +/- 36.96, N = 3 SE +/- 13.02, N = 3 SE +/- 948.81, N = 15 SE +/- 71.62, N = 3 SE +/- 152.24, N = 3 20179 20411 19835 11862 20614 21101 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 32 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4K 8K 12K 16K 20K SE +/- 187.37, N = 7 SE +/- 135.39, N = 3 SE +/- 647.29, N = 15 SE +/- 142.34, N = 3 SE +/- 81.42, N = 3 SE +/- 174.36, N = 3 20013 20700 17735 12052 20959 20839 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: TCP - Parallel: 64 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4K 8K 12K 16K 20K SE +/- 203.43, N = 4 SE +/- 78.33, N = 3 SE +/- 425.25, N = 15 SE +/- 152.42, N = 3 SE +/- 43.64, N = 3 SE +/- 113.92, N = 13 18133 18304 16653 11544 18373 18311 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
OpenSSL RSA 4096-bit Performance OpenBenchmarking.org Signs Per Second, More Is Better OpenSSL 1.1.1 RSA 4096-bit Performance Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 100 200 300 400 500 SE +/- 4.10, N = 7 SE +/- 0.18, N = 3 SE +/- 0.03, N = 3 SE +/- 2.02, N = 3 SE +/- 0.09, N = 3 SE +/- 3.48, N = 3 441.7 448.0 447.8 444.1 447.9 332.3
Facebook RocksDB Test: Random Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 100K 200K 300K 400K 500K SE +/- 3333.72, N = 3 SE +/- 3750.21, N = 3 SE +/- 3376.28, N = 3 SE +/- 4304.32, N = 3 SE +/- 1435.13, N = 3 SE +/- 3221.54, N = 3 452057 458917 449078 371696 416861 437244 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Random Fill Sync OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Fill Sync Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 110K 220K 330K 440K 550K SE +/- 2169.84, N = 3 SE +/- 1981.98, N = 3 SE +/- 4275.49, N = 3 SE +/- 5443.53, N = 3 SE +/- 2054.68, N = 3 SE +/- 2628.65, N = 3 490063 499640 490666 418203 456565 482867 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Hackbench Count: 1 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 1 - Type: Process Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.028, N = 3 SE +/- 0.230, N = 12 SE +/- 0.026, N = 3 SE +/- 0.083, N = 3 SE +/- 0.026, N = 3 SE +/- 0.055, N = 3 10.387 10.084 11.458 9.597 9.634 9.859 1. (CC) gcc options: -lpthread
Schbench Message Threads: 8 - Workers Per Message Thread: 4 OpenBenchmarking.org usec, 99.9th Latency Percentile, Fewer Is Better Schbench Message Threads: 8 - Workers Per Message Thread: 4 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 7K 14K 21K 28K 35K SE +/- 2786.67, N = 15 SE +/- 267.31, N = 3 SE +/- 216.51, N = 3 SE +/- 386.40, N = 13 SE +/- 2842.74, N = 15 SE +/- 128.00, N = 3 33519 28597 28747 29393 33348 28128 1. (CC) gcc options: -O2 -lpthread
Hackbench Count: 8 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 8 - Type: Thread Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 20 40 60 80 100 SE +/- 0.97, N = 3 SE +/- 0.23, N = 3 SE +/- 0.81, N = 15 SE +/- 0.50, N = 15 SE +/- 0.63, N = 3 SE +/- 0.89, N = 15 88.29 77.88 88.56 77.03 74.73 78.03 1. (CC) gcc options: -lpthread
Hackbench Count: 16 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 16 - Type: Thread Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 40 80 120 160 200 SE +/- 1.75, N = 3 SE +/- 0.69, N = 3 SE +/- 2.17, N = 4 SE +/- 1.30, N = 8 SE +/- 0.82, N = 3 SE +/- 2.25, N = 12 168.26 153.61 176.70 152.80 149.86 154.98 1. (CC) gcc options: -lpthread
perf-bench Benchmark: Epoll Wait OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Epoll Wait Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 90K 180K 270K 360K 450K SE +/- 2596.83, N = 3 SE +/- 4664.03, N = 3 SE +/- 1651.40, N = 3 SE +/- 1873.36, N = 3 SE +/- 3943.79, N = 3 SE +/- 1831.78, N = 3 365409 394078 375558 413997 416405 420330 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
Hackbench Count: 8 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 8 - Type: Process Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 20 40 60 80 100 SE +/- 0.46, N = 3 SE +/- 0.85, N = 3 SE +/- 0.85, N = 4 SE +/- 0.33, N = 3 SE +/- 0.57, N = 3 SE +/- 0.21, N = 3 79.20 72.84 81.68 72.16 71.11 72.38 1. (CC) gcc options: -lpthread
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 128 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 700K 1400K 2100K 2800K 3500K SE +/- 18345.59, N = 3 SE +/- 29770.09, N = 3 SE +/- 35347.02, N = 3 SE +/- 8055.70, N = 3 SE +/- 41098.36, N = 3 SE +/- 21895.31, N = 3 2801157 3043686 2649855 2986912 2869905 2837381
Stress-NG Test: Semaphores OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Semaphores Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 10868.11, N = 15 SE +/- 9507.55, N = 15 SE +/- 14472.05, N = 3 SE +/- 13131.30, N = 3 SE +/- 6730.44, N = 3 SE +/- 15878.48, N = 15 1229760.03 1277296.32 1274218.42 1197368.79 1359932.39 1198806.70 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Hackbench Count: 4 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 4 - Type: Process Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 9 18 27 36 45 SE +/- 0.08, N = 3 SE +/- 0.12, N = 3 SE +/- 0.16, N = 3 SE +/- 0.05, N = 3 SE +/- 0.15, N = 3 SE +/- 0.15, N = 3 40.36 37.05 41.26 37.34 36.51 37.02 1. (CC) gcc options: -lpthread
Hackbench Count: 4 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 4 - Type: Thread Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 10 20 30 40 50 SE +/- 0.16, N = 3 SE +/- 0.35, N = 3 SE +/- 0.11, N = 3 SE +/- 0.04, N = 3 SE +/- 0.24, N = 3 SE +/- 0.36, N = 3 44.10 39.90 44.30 40.06 39.24 40.32 1. (CC) gcc options: -lpthread
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 512 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 1165.49, N = 3 SE +/- 4109.25, N = 3 SE +/- 7819.75, N = 12 SE +/- 5290.86, N = 3 SE +/- 13961.99, N = 4 SE +/- 6916.65, N = 3 1151175 1171213 1120322 1137453 1238737 1100539
Hackbench Count: 16 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 16 - Type: Process Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 40 80 120 160 200 SE +/- 0.62, N = 3 SE +/- 0.22, N = 3 SE +/- 1.83, N = 3 SE +/- 0.54, N = 3 SE +/- 2.07, N = 12 SE +/- 1.40, N = 3 159.75 144.75 161.29 143.68 146.17 145.82 1. (CC) gcc options: -lpthread
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 128 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 700K 1400K 2100K 2800K 3500K SE +/- 22099.44, N = 3 SE +/- 34085.75, N = 4 SE +/- 11315.58, N = 3 SE +/- 33830.67, N = 15 SE +/- 27841.96, N = 15 SE +/- 6220.95, N = 3 2891727 3040261 2722030 3034098 3015312 2747403
OSBench Test: Create Files OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Files Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 9 18 27 36 45 SE +/- 0.24, N = 3 SE +/- 0.04, N = 3 SE +/- 0.05, N = 3 SE +/- 0.05, N = 3 SE +/- 0.03, N = 3 SE +/- 0.08, N = 3 38.82 36.75 39.40 39.00 35.35 37.18 -lm -lm 1. (CC) gcc options:
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 128 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 4775.86, N = 3 SE +/- 4747.41, N = 3 SE +/- 5815.34, N = 3 SE +/- 4904.13, N = 3 SE +/- 4576.08, N = 3 SE +/- 18291.13, N = 3 1363561 1374745 1336817 1411134 1485854 1398777
Facebook RocksDB Test: Sequential Fill OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Sequential Fill Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 120K 240K 360K 480K 600K SE +/- 3023.00, N = 3 SE +/- 2578.31, N = 3 SE +/- 6929.94, N = 3 SE +/- 3481.21, N = 3 SE +/- 2884.73, N = 3 SE +/- 5581.80, N = 3 534770 544572 535796 490354 502525 524629 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Facebook RocksDB Test: Random Read OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Random Read Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3M 6M 9M 12M 15M SE +/- 59134.09, N = 3 SE +/- 85590.38, N = 3 SE +/- 47642.98, N = 3 SE +/- 32869.63, N = 3 SE +/- 59121.96, N = 3 SE +/- 50538.88, N = 3 13123433 13347834 13283954 12925885 12068951 13384934 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
Hackbench Count: 1 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 1 - Type: Thread Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.04, N = 3 SE +/- 0.05, N = 3 SE +/- 0.06, N = 3 SE +/- 0.08, N = 3 SE +/- 0.08, N = 3 SE +/- 0.04, N = 3 11.98 10.96 12.15 11.39 11.03 11.45 1. (CC) gcc options: -lpthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 80% Reads 20% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 80% Reads 20% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0306 0.0612 0.0918 0.1224 0.153 SE +/- 0.0016, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0014, N = 3 SE +/- 0.0072, N = 15 SE +/- 0.0007, N = 3 SE +/- 0.0014, N = 4 0.1240 0.1235 0.1234 0.1360 0.1254 0.1239 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
IPC_benchmark Type: TCP Socket - Message Bytes: 128 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 128 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 700K 1400K 2100K 2800K 3500K SE +/- 10452.71, N = 3 SE +/- 24608.70, N = 9 SE +/- 41324.96, N = 3 SE +/- 1162.56, N = 3 SE +/- 20923.59, N = 3 SE +/- 2017.31, N = 3 2985001 2971343 2943227 2906209 3200311 3201959
IPC_benchmark Type: TCP Socket - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 512 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 500K 1000K 1500K 2000K 2500K SE +/- 11997.79, N = 3 SE +/- 2605.04, N = 3 SE +/- 21799.46, N = 4 SE +/- 3867.40, N = 3 SE +/- 6757.28, N = 3 SE +/- 8935.81, N = 3 2062968 2054086 2044677 2016930 2214341 2208139
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 2048 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 120K 240K 360K 480K 600K SE +/- 359.60, N = 3 SE +/- 1280.33, N = 3 SE +/- 1696.10, N = 3 SE +/- 3911.99, N = 3 SE +/- 2914.07, N = 3 SE +/- 968.00, N = 3 520300 559665 515245 558725 565671 541133
IPC_benchmark Type: TCP Socket - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 256 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 600K 1200K 1800K 2400K 3000K SE +/- 9721.39, N = 3 SE +/- 22225.96, N = 7 SE +/- 16570.75, N = 15 SE +/- 13535.65, N = 3 SE +/- 25609.87, N = 3 SE +/- 19005.72, N = 3 2539979 2517133 2503889 2467568 2690253 2708985
Hackbench Count: 2 - Type: Thread OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 2 - Type: Thread Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 6 12 18 24 30 SE +/- 0.01, N = 3 SE +/- 0.16, N = 3 SE +/- 0.03, N = 3 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.12, N = 3 23.06 21.53 23.50 21.93 21.44 22.17 1. (CC) gcc options: -lpthread
perf-bench Benchmark: Sched Pipe OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Sched Pipe Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 50K 100K 150K 200K 250K SE +/- 896.38, N = 3 SE +/- 569.18, N = 3 SE +/- 861.60, N = 3 SE +/- 296.37, N = 3 SE +/- 2622.47, N = 3 SE +/- 1452.53, N = 3 214271 209932 217433 199049 217939 206290 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
Stress-NG Test: Context Switching OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Context Switching Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 120K 240K 360K 480K 600K SE +/- 2752.66, N = 3 SE +/- 4193.19, N = 3 SE +/- 2034.95, N = 3 SE +/- 5035.55, N = 3 SE +/- 3817.65, N = 3 SE +/- 5702.98, N = 4 548376.44 530566.53 574464.00 580896.52 577601.31 550134.82 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: System V Message Passing OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: System V Message Passing Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1000K 2000K 3000K 4000K 5000K SE +/- 2913.62, N = 3 SE +/- 32996.49, N = 12 SE +/- 18462.77, N = 3 SE +/- 19986.42, N = 3 SE +/- 41439.13, N = 14 SE +/- 25462.59, N = 3 4225731.83 4626477.31 4244091.68 4546211.15 4499326.25 4464126.75 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 256 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 4752.07, N = 3 SE +/- 1670.87, N = 3 SE +/- 7325.27, N = 3 SE +/- 17761.76, N = 3 SE +/- 2434.45, N = 3 SE +/- 3399.89, N = 3 1204312 1233688 1209161 1281031 1316867 1301654
Stress-NG Test: SENDFILE OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: SENDFILE Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 13K 26K 39K 52K 65K SE +/- 107.63, N = 3 SE +/- 144.65, N = 3 SE +/- 46.31, N = 3 SE +/- 600.66, N = 5 SE +/- 48.60, N = 3 SE +/- 145.15, N = 3 53687.47 55850.50 54398.51 58610.15 56226.78 54086.78 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Hackbench Count: 2 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 2 - Type: Process Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 5 10 15 20 25 SE +/- 0.22, N = 14 SE +/- 0.03, N = 3 SE +/- 0.04, N = 3 SE +/- 0.26, N = 3 SE +/- 0.02, N = 3 SE +/- 0.04, N = 3 20.91 19.35 20.89 19.70 19.25 19.57 1. (CC) gcc options: -lpthread
Apache Benchmark Static Web Page Serving OpenBenchmarking.org Requests Per Second, More Is Better Apache Benchmark 2.4.29 Static Web Page Serving Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4K 8K 12K 16K 20K SE +/- 28.17, N = 3 SE +/- 31.87, N = 3 SE +/- 18.45, N = 3 SE +/- 221.42, N = 3 SE +/- 52.94, N = 3 SE +/- 36.05, N = 3 16754.67 18155.45 16830.43 17756.27 17323.23 17978.08 1. (CC) gcc options: -shared -fPIC -O2 -pthread
WireGuard + Linux Networking Stack Stress Test OpenBenchmarking.org Seconds, Fewer Is Better WireGuard + Linux Networking Stack Stress Test Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 120 240 360 480 600 SE +/- 0.12, N = 3 SE +/- 1.35, N = 3 SE +/- 0.65, N = 3 SE +/- 25.08, N = 9 SE +/- 0.83, N = 3 SE +/- 1.24, N = 3 550.07 513.19 555.20 546.30 518.70 544.24
OSBench Test: Launch Programs OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Launch Programs Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 20 40 60 80 100 SE +/- 0.20, N = 3 SE +/- 0.19, N = 3 SE +/- 0.64, N = 3 SE +/- 0.41, N = 3 SE +/- 0.33, N = 3 SE +/- 0.44, N = 3 95.51 91.06 97.43 93.32 90.10 91.84 -lm -lm 1. (CC) gcc options:
IPC_benchmark Type: TCP Socket - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 1024 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 2398.52, N = 3 SE +/- 2423.58, N = 3 SE +/- 3846.75, N = 3 SE +/- 3612.27, N = 3 SE +/- 3631.62, N = 3 SE +/- 4706.27, N = 3 1453827 1421362 1471645 1442407 1533599 1535220
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 256 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 500K 1000K 1500K 2000K 2500K SE +/- 5587.94, N = 3 SE +/- 4874.11, N = 3 SE +/- 4551.71, N = 3 SE +/- 18030.45, N = 3 SE +/- 20679.46, N = 3 SE +/- 4510.34, N = 3 2278454 2299703 2150341 2306298 2296753 2218924
Facebook RocksDB Test: Read While Writing OpenBenchmarking.org Op/s, More Is Better Facebook RocksDB 6.3.6 Test: Read While Writing Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 50K 100K 150K 200K 250K SE +/- 5812.42, N = 14 SE +/- 772.88, N = 3 SE +/- 5773.77, N = 14 SE +/- 2701.00, N = 3 SE +/- 2840.83, N = 3 SE +/- 3485.16, N = 14 244439 239799 247556 236996 230917 245522 1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 32 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 5K 10K 15K 20K 25K SE +/- 114.44, N = 3 SE +/- 131.93, N = 3 SE +/- 267.82, N = 3 SE +/- 124.77, N = 3 SE +/- 77.80, N = 3 SE +/- 76.26, N = 3 21412 21434 20504 20974 21704 21977 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 4096 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 100K 200K 300K 400K 500K SE +/- 1305.06, N = 3 SE +/- 1755.44, N = 3 SE +/- 680.61, N = 3 SE +/- 1315.59, N = 3 SE +/- 784.80, N = 3 SE +/- 2014.43, N = 3 457959 473559 448144 474951 476636 478518
OSBench Test: Memory Allocations OpenBenchmarking.org Ns Per Event, Fewer Is Better OSBench Test: Memory Allocations Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 30 60 90 120 150 SE +/- 0.44, N = 3 SE +/- 0.11, N = 3 SE +/- 0.34, N = 3 SE +/- 1.67, N = 3 SE +/- 0.41, N = 3 SE +/- 0.54, N = 3 141.11 135.70 137.38 143.74 134.98 135.75 -lm -lm 1. (CC) gcc options:
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 512 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 400K 800K 1200K 1600K 2000K SE +/- 24548.29, N = 3 SE +/- 19241.60, N = 3 SE +/- 8871.35, N = 3 SE +/- 14438.74, N = 3 SE +/- 19391.93, N = 3 SE +/- 4155.22, N = 3 1746678 1776333 1747103 1835701 1854187 1770294
LevelDB Benchmark: Overwrite OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Overwrite Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 7 14 21 28 35 SE +/- 0.19, N = 3 SE +/- 0.23, N = 3 SE +/- 0.17, N = 3 SE +/- 0.19, N = 3 SE +/- 0.35, N = 4 SE +/- 0.06, N = 3 30.3 31.2 29.9 31.7 30.2 31.3 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Reads OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Reads Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0149 0.0298 0.0447 0.0596 0.0745 SE +/- 0.0005, N = 15 SE +/- 0.0006, N = 7 SE +/- 0.0003, N = 3 SE +/- 0.0005, N = 15 SE +/- 0.0008, N = 4 SE +/- 0.0009, N = 3 0.0623 0.0632 0.0641 0.0633 0.0644 0.0660 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
IPC_benchmark Type: TCP Socket - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 2048 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200K 400K 600K 800K 1000K SE +/- 5079.92, N = 3 SE +/- 8681.93, N = 3 SE +/- 4947.37, N = 3 SE +/- 8337.04, N = 3 SE +/- 4775.33, N = 3 SE +/- 5500.46, N = 3 950880 944138 948187 941645 986545 997006
LevelDB Benchmark: Overwrite OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Overwrite Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4 8 12 16 20 SE +/- 0.09, N = 3 SE +/- 0.12, N = 3 SE +/- 0.09, N = 3 SE +/- 0.06, N = 3 SE +/- 0.17, N = 4 SE +/- 0.01, N = 3 14.57 14.13 14.73 13.92 14.60 14.07 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
IPC_benchmark Type: TCP Socket - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: TCP Socket - Message Bytes: 4096 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 120K 240K 360K 480K 600K SE +/- 1970.04, N = 3 SE +/- 4984.28, N = 3 SE +/- 1685.44, N = 3 SE +/- 2367.23, N = 3 SE +/- 598.96, N = 3 SE +/- 1256.22, N = 3 550089 555085 562576 556704 578088 580561
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 4096 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 110K 220K 330K 440K 550K SE +/- 2657.74, N = 3 SE +/- 1945.98, N = 3 SE +/- 3051.56, N = 3 SE +/- 851.18, N = 3 SE +/- 1490.36, N = 3 SE +/- 189.67, N = 3 465636 483511 469668 490914 483240 474902
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 80% Reads 20% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 80% Reads 20% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0275 0.055 0.0825 0.11 0.1375 SE +/- 0.0012, N = 4 SE +/- 0.0011, N = 3 SE +/- 0.0010, N = 3 SE +/- 0.0012, N = 5 SE +/- 0.0004, N = 3 SE +/- 0.0013, N = 4 0.1175 0.1159 0.1194 0.1221 0.1176 0.1179 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
OSBench Test: Create Processes OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Processes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 9 18 27 36 45 SE +/- 0.18, N = 3 SE +/- 0.28, N = 3 SE +/- 0.16, N = 3 SE +/- 0.48, N = 3 SE +/- 0.09, N = 3 SE +/- 0.24, N = 3 40.93 39.49 40.31 39.48 39.39 38.85 -lm -lm 1. (CC) gcc options:
Stress-NG Test: Glibc Qsort Data Sorting OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Glibc Qsort Data Sorting Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 8 16 24 32 40 SE +/- 0.24, N = 3 SE +/- 0.37, N = 3 SE +/- 0.44, N = 4 SE +/- 0.47, N = 3 SE +/- 0.57, N = 15 SE +/- 0.32, N = 3 36.82 36.74 36.44 36.56 34.96 36.40 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
PostMark Disk Transaction Performance OpenBenchmarking.org TPS, More Is Better PostMark 1.51 Disk Transaction Performance Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 800 1600 2400 3200 4000 SE +/- 18.33, N = 3 SE +/- 20.00, N = 3 SE +/- 18.33, N = 3 SE +/- 20.00, N = 3 SE +/- 0.00, N = 3 SE +/- 20.00, N = 3 3713 3866 3713 3886 3906 3866 1. (CC) gcc options: -O3
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Reads OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Reads Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0151 0.0302 0.0453 0.0604 0.0755 SE +/- 0.0007, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0006, N = 3 SE +/- 0.0006, N = 3 SE +/- 0.0003, N = 3 SE +/- 0.0007, N = 15 0.0655 0.0649 0.0672 0.0648 0.0639 0.0669 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
LevelDB Benchmark: Random Read OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Read Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.5425 1.085 1.6275 2.17 2.7125 SE +/- 0.027, N = 4 SE +/- 0.019, N = 9 SE +/- 0.021, N = 7 SE +/- 0.012, N = 3 SE +/- 0.025, N = 15 SE +/- 0.013, N = 3 2.293 2.411 2.353 2.402 2.381 2.361 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
Stress-NG Test: Socket Activity OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Socket Activity Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 400 800 1200 1600 2000 SE +/- 1.75, N = 3 SE +/- 2.69, N = 3 SE +/- 1.60, N = 3 SE +/- 3.56, N = 3 SE +/- 4.75, N = 3 SE +/- 9.84, N = 3 1877.82 1957.06 1912.64 1907.72 1974.44 1954.88 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
SQLite Speedtest Timed Time - Size 1,000 OpenBenchmarking.org Seconds, Fewer Is Better SQLite Speedtest 3.30 Timed Time - Size 1,000 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 30 60 90 120 150 SE +/- 0.52, N = 3 SE +/- 0.26, N = 3 SE +/- 0.40, N = 3 SE +/- 0.41, N = 3 SE +/- 0.09, N = 3 SE +/- 0.30, N = 3 132.19 125.96 131.72 129.84 126.64 126.87 1. (CC) gcc options: -O2 -ldl -lz -lpthread
MBW Test: Memory Copy, Fixed Block Size - Array Size: 512 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 512 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 800 1600 2400 3200 4000 SE +/- 1.95, N = 3 SE +/- 4.41, N = 3 SE +/- 6.66, N = 3 SE +/- 2.51, N = 3 SE +/- 3.51, N = 3 SE +/- 9.26, N = 3 3548.36 3719.91 3693.63 3665.78 3703.65 3690.70 1. (CC) gcc options: -O3 -march=native
LevelDB Benchmark: Random Delete OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Delete Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.15, N = 3 SE +/- 0.07, N = 3 SE +/- 0.03, N = 3 SE +/- 0.11, N = 3 SE +/- 0.17, N = 3 SE +/- 0.09, N = 3 13.45 13.16 13.46 12.85 13.45 13.06 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
perf-bench Benchmark: Memset 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memset 1MB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.01, N = 3 SE +/- 0.05, N = 3 SE +/- 0.04, N = 3 SE +/- 0.11, N = 15 SE +/- 0.09, N = 3 SE +/- 0.08, N = 3 12.03 12.00 12.02 11.56 12.11 12.03 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
LevelDB Benchmark: Fill Sync OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Fill Sync Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4 8 12 16 20 SE +/- 0.15, N = 3 SE +/- 0.26, N = 4 SE +/- 0.19, N = 3 SE +/- 0.06, N = 3 SE +/- 0.20, N = 4 SE +/- 0.20, N = 3 17.68 17.44 18.06 17.68 17.24 17.53 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Unix Domain Socket - Message Bytes: 1024 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200K 400K 600K 800K 1000K SE +/- 1701.21, N = 3 SE +/- 4520.85, N = 3 SE +/- 3059.81, N = 3 SE +/- 3632.86, N = 3 SE +/- 6708.05, N = 13 SE +/- 1656.80, N = 3 936841 964065 926277 933478 967927 925811
LevelDB Benchmark: Fill Sync OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Fill Sync Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 6 12 18 24 30 SE +/- 0.21, N = 3 SE +/- 0.31, N = 4 SE +/- 0.26, N = 3 SE +/- 0.12, N = 3 SE +/- 0.31, N = 4 SE +/- 0.32, N = 3 24.9 25.1 24.3 24.8 25.4 25.0 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Random Fill OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Random Fill Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4 8 12 16 20 SE +/- 0.06, N = 3 SE +/- 0.11, N = 3 SE +/- 0.07, N = 3 SE +/- 0.14, N = 14 SE +/- 0.18, N = 3 SE +/- 0.04, N = 3 14.48 14.14 14.72 14.16 14.33 14.09 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 256 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 256 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 500K 1000K 1500K 2000K 2500K SE +/- 31763.45, N = 3 SE +/- 17228.51, N = 3 SE +/- 18436.29, N = 3 SE +/- 27586.82, N = 3 SE +/- 29647.93, N = 3 SE +/- 18083.45, N = 3 2351761 2337377 2283738 2360107 2386170 2295929
t-test1 Threads: 1 OpenBenchmarking.org Seconds, Fewer Is Better t-test1 2017-01-13 Threads: 1 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 8 16 24 32 40 SE +/- 0.02, N = 3 SE +/- 0.04, N = 3 SE +/- 0.05, N = 3 SE +/- 0.29, N = 3 SE +/- 0.06, N = 3 SE +/- 0.06, N = 3 32.00 31.27 32.66 32.39 31.71 31.89 1. (CC) gcc options: -pthread
LevelDB Benchmark: Random Fill OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Random Fill Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 7 14 21 28 35 SE +/- 0.13, N = 3 SE +/- 0.24, N = 3 SE +/- 0.12, N = 3 SE +/- 0.30, N = 14 SE +/- 0.38, N = 3 SE +/- 0.09, N = 3 30.5 31.2 30.0 31.2 30.8 31.3 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
Stress-NG Test: MEMFD OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: MEMFD Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.02, N = 3 SE +/- 0.03, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 SE +/- 0.01, N = 3 SE +/- 0.02, N = 3 9.01 9.00 8.88 8.68 8.74 9.05 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: CPU Cache OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: CPU Cache Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 2 4 6 8 10 SE +/- 0.06, N = 15 SE +/- 0.12, N = 15 SE +/- 0.11, N = 15 SE +/- 0.03, N = 3 SE +/- 0.07, N = 4 SE +/- 0.08, N = 3 6.84 6.90 6.69 6.88 6.93 6.97 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
MBW Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 800 1600 2400 3200 4000 SE +/- 5.31, N = 3 SE +/- 1.03, N = 3 SE +/- 3.36, N = 3 SE +/- 5.81, N = 3 SE +/- 1.51, N = 3 SE +/- 3.42, N = 3 3575.72 3724.20 3705.68 3682.90 3705.53 3701.61 1. (CC) gcc options: -O3 -march=native
LevelDB Benchmark: Sequential Fill OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Sequential Fill Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4 8 12 16 20 SE +/- 0.05, N = 3 SE +/- 0.03, N = 3 SE +/- 0.06, N = 3 SE +/- 0.10, N = 3 SE +/- 0.04, N = 3 SE +/- 0.02, N = 3 13.96 13.55 13.73 13.41 13.70 13.67 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
LevelDB Benchmark: Sequential Fill OpenBenchmarking.org MB/s, More Is Better LevelDB 1.22 Benchmark: Sequential Fill Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 8 16 24 32 40 SE +/- 0.12, N = 3 SE +/- 0.10, N = 3 SE +/- 0.12, N = 3 SE +/- 0.27, N = 3 SE +/- 0.12, N = 3 SE +/- 0.07, N = 3 31.6 32.6 32.2 32.9 32.2 32.3 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 50% OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 50% Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0278 0.0556 0.0834 0.1112 0.139 SE +/- 0.0004, N = 3 SE +/- 0.0006, N = 3 SE +/- 0.0016, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0013, N = 5 SE +/- 0.0002, N = 3 0.1191 0.1206 0.1231 0.1218 0.1206 0.1237 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 4 - Read-Write Ratio: 100% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0263 0.0526 0.0789 0.1052 0.1315 SE +/- 0.0014, N = 3 SE +/- 0.0001, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0005, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0010, N = 3 0.1132 0.1129 0.1145 0.1153 0.1131 0.1171 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
Stress-NG Test: Forking OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Forking Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4K 8K 12K 16K 20K SE +/- 39.67, N = 3 SE +/- 41.17, N = 3 SE +/- 97.53, N = 3 SE +/- 62.92, N = 3 SE +/- 30.59, N = 3 SE +/- 52.91, N = 3 19252.07 19887.81 19280.77 19951.99 19873.83 19795.18 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 4096 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 4096 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 100K 200K 300K 400K 500K SE +/- 3477.35, N = 3 SE +/- 4438.60, N = 3 SE +/- 1532.35, N = 3 SE +/- 2203.58, N = 3 SE +/- 930.84, N = 3 SE +/- 971.00, N = 3 468875 479683 471693 483566 485903 475802
LevelDB Benchmark: Hot Read OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Hot Read Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.5384 1.0768 1.6152 2.1536 2.692 SE +/- 0.006, N = 3 SE +/- 0.023, N = 3 SE +/- 0.027, N = 3 SE +/- 0.020, N = 3 SE +/- 0.021, N = 15 SE +/- 0.027, N = 15 2.310 2.389 2.317 2.393 2.380 2.333 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 50% OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 50% Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0263 0.0526 0.0789 0.1052 0.1315 SE +/- 0.0015, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0007, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0015, N = 3 0.1128 0.1135 0.1138 0.1142 0.1155 0.1168 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 50% OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 50% Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.027 0.054 0.081 0.108 0.135 SE +/- 0.0014, N = 3 SE +/- 0.0014, N = 4 SE +/- 0.0000, N = 3 SE +/- 0.0015, N = 3 SE +/- 0.0013, N = 3 SE +/- 0.0009, N = 3 0.1161 0.1176 0.1182 0.1201 0.1161 0.1196 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 1024 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 2998.97, N = 3 SE +/- 1557.87, N = 3 SE +/- 2437.79, N = 3 SE +/- 6078.06, N = 3 SE +/- 17470.09, N = 3 SE +/- 15641.76, N = 3 1280989 1297216 1281112 1324519 1314473 1292587
MBW Test: Memory Copy, Fixed Block Size - Array Size: 4096 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 4096 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 800 1600 2400 3200 4000 SE +/- 37.05, N = 3 SE +/- 0.67, N = 3 SE +/- 3.81, N = 3 SE +/- 2.63, N = 3 SE +/- 2.01, N = 3 SE +/- 1.60, N = 3 3600.37 3722.11 3689.69 3689.90 3706.98 3703.68 1. (CC) gcc options: -O3 -march=native
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 1024 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 1024 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 300K 600K 900K 1200K 1500K SE +/- 3654.53, N = 3 SE +/- 9574.67, N = 3 SE +/- 16798.04, N = 3 SE +/- 5287.17, N = 3 SE +/- 3044.19, N = 3 SE +/- 1835.76, N = 3 1285487 1316913 1279652 1322294 1294386 1292375
pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 1 - Read-Write Ratio: 100% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.024 0.048 0.072 0.096 0.12 SE +/- 0.0012, N = 3 SE +/- 0.0010, N = 3 SE +/- 0.0001, N = 3 SE +/- 0.0012, N = 3 SE +/- 0.0002, N = 3 SE +/- 0.0010, N = 3 0.1038 0.1032 0.1049 0.1065 0.1051 0.1063 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
MBW Test: Memory Copy - Array Size: 4096 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 4096 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1100 2200 3300 4400 5500 SE +/- 62.83, N = 3 SE +/- 5.16, N = 3 SE +/- 9.07, N = 3 SE +/- 4.84, N = 3 SE +/- 0.18, N = 3 SE +/- 6.35, N = 3 5105.87 5267.71 5240.10 5241.74 5247.69 5250.56 1. (CC) gcc options: -O3 -march=native
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 512 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 512 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 400K 800K 1200K 1600K 2000K SE +/- 1897.32, N = 3 SE +/- 16098.73, N = 3 SE +/- 15480.54, N = 15 SE +/- 6345.89, N = 3 SE +/- 12640.74, N = 3 SE +/- 6177.70, N = 3 1772787 1809330 1798509 1824207 1809716 1769426
perf-bench Benchmark: Futex Hash OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Futex Hash Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1.5M 3M 4.5M 6M 7.5M SE +/- 9923.07, N = 3 SE +/- 5828.57, N = 3 SE +/- 9731.70, N = 3 SE +/- 11648.66, N = 3 SE +/- 17406.92, N = 3 SE +/- 31223.20, N = 3 7193341 7113178 7006665 7089686 7118599 7039350 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
LevelDB Benchmark: Seek Random OpenBenchmarking.org Microseconds Per Op, Fewer Is Better LevelDB 1.22 Benchmark: Seek Random Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.7749 1.5498 2.3247 3.0996 3.8745 SE +/- 0.029, N = 3 SE +/- 0.029, N = 3 SE +/- 0.028, N = 3 SE +/- 0.047, N = 3 SE +/- 0.018, N = 3 SE +/- 0.046, N = 3 3.359 3.393 3.412 3.358 3.417 3.444 -lsqlite3 -lsqlite3 -lsqlite3 -lsqlite3 1. (CXX) g++ options: -O3 -lsnappy -lpthread
MBW Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy, Fixed Block Size - Array Size: 128 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 800 1600 2400 3200 4000 SE +/- 3.01, N = 3 SE +/- 2.94, N = 3 SE +/- 1.33, N = 3 SE +/- 6.48, N = 3 SE +/- 23.29, N = 3 SE +/- 32.34, N = 3 3623.86 3715.49 3648.54 3627.97 3671.46 3661.06 1. (CC) gcc options: -O3 -march=native
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0244 0.0488 0.0732 0.0976 0.122 SE +/- 0.0014, N = 3 SE +/- 0.0011, N = 3 SE +/- 0.0009, N = 3 SE +/- 0.0013, N = 4 SE +/- 0.0013, N = 3 SE +/- 0.0007, N = 3 0.1065 0.1059 0.1085 0.1084 0.1064 0.1085 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
MBW Test: Memory Copy - Array Size: 512 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 512 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1100 2200 3300 4400 5500 SE +/- 12.30, N = 3 SE +/- 8.07, N = 3 SE +/- 9.52, N = 3 SE +/- 10.80, N = 3 SE +/- 16.62, N = 3 SE +/- 13.23, N = 3 5146.67 5267.52 5233.32 5204.92 5241.10 5246.12 1. (CC) gcc options: -O3 -march=native
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 80% Reads 20% Writes OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 80% Reads 20% Writes Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0274 0.0548 0.0822 0.1096 0.137 SE +/- 0.0012, N = 3 SE +/- 0.0003, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0011, N = 3 SE +/- 0.0004, N = 3 SE +/- 0.0011, N = 3 0.1200 0.1209 0.1218 0.1218 0.1217 0.1191 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
MBW Test: Memory Copy - Array Size: 1024 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 1024 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1100 2200 3300 4400 5500 SE +/- 18.98, N = 3 SE +/- 1.90, N = 3 SE +/- 7.65, N = 3 SE +/- 4.69, N = 3 SE +/- 7.19, N = 3 SE +/- 6.22, N = 3 5152.91 5257.93 5252.54 5221.13 5249.70 5237.29 1. (CC) gcc options: -O3 -march=native
perf-bench Benchmark: Syscall Basic OpenBenchmarking.org ops/sec, More Is Better perf-bench Benchmark: Syscall Basic Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4M 8M 12M 16M 20M SE +/- 44903.68, N = 3 SE +/- 6821.55, N = 3 SE +/- 12906.55, N = 3 SE +/- 101385.04, N = 3 SE +/- 17869.89, N = 3 SE +/- 140077.71, N = 3 16627566 16907939 16586283 16699690 16880125 16907112 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
MBW Test: Memory Copy - Array Size: 128 MiB OpenBenchmarking.org MiB/s, More Is Better MBW 2018-09-08 Test: Memory Copy - Array Size: 128 MiB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1100 2200 3300 4400 5500 SE +/- 12.43, N = 3 SE +/- 7.70, N = 3 SE +/- 19.56, N = 3 SE +/- 6.49, N = 3 SE +/- 28.41, N = 3 SE +/- 37.69, N = 3 5172.97 5259.71 5160.39 5171.81 5172.92 5171.08 1. (CC) gcc options: -O3 -march=native
BenchmarkMutex Benchmark: Shared Mutex Lock Shared OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Shared Mutex Lock Shared Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 7 14 21 28 35 SE +/- 0.09, N = 3 SE +/- 0.07, N = 3 SE +/- 0.15, N = 3 SE +/- 0.27, N = 14 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 31.9 31.6 31.9 32.2 31.6 31.6 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Reads OpenBenchmarking.org us - Average Page Latency, Fewer Is Better pmbench Concurrent Worker Threads: 2 - Read-Write Ratio: 100% Reads Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.0146 0.0292 0.0438 0.0584 0.073 SE +/- 0.0000, N = 3 SE +/- 0.0000, N = 3 SE +/- 0.0008, N = 3 SE +/- 0.0006, N = 15 SE +/- 0.0006, N = 7 SE +/- 0.0007, N = 3 0.0640 0.0637 0.0645 0.0638 0.0643 0.0649 1. (CC) gcc options: -lm -luuid -lxml2 -m64 -pthread
t-test1 Threads: 2 OpenBenchmarking.org Seconds, Fewer Is Better t-test1 2017-01-13 Threads: 2 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.01, N = 3 SE +/- 0.05, N = 3 SE +/- 0.03, N = 3 SE +/- 0.05, N = 3 SE +/- 0.01, N = 3 SE +/- 0.07, N = 3 11.04 10.94 11.14 10.96 10.95 10.96 1. (CC) gcc options: -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 6 12 18 24 30 SE +/- 0.03, N = 3 SE +/- 0.07, N = 3 SE +/- 0.12, N = 3 SE +/- 0.09, N = 3 SE +/- 0.09, N = 3 SE +/- 0.06, N = 3 25.5 25.2 25.3 25.2 25.1 25.2 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
ctx_clock Context Switch Time OpenBenchmarking.org Clocks, Fewer Is Better ctx_clock Context Switch Time Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 60 120 180 240 300 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 SE +/- 0.33, N = 3 SE +/- 0.88, N = 3 SE +/- 0.33, N = 3 SE +/- 0.00, N = 3 264 266 264 268 265 265
Stress-NG Test: Glibc C String Functions OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Glibc C String Functions Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 20K 40K 60K 80K 100K SE +/- 495.62, N = 3 SE +/- 236.51, N = 3 SE +/- 415.80, N = 3 SE +/- 70.50, N = 3 SE +/- 327.75, N = 3 SE +/- 375.80, N = 3 112501.83 113135.64 111451.53 112275.43 112429.17 112106.26 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: Memory Copying OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Memory Copying Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200 400 600 800 1000 SE +/- 6.09, N = 3 SE +/- 1.52, N = 3 SE +/- 2.74, N = 3 SE +/- 2.92, N = 3 SE +/- 4.16, N = 3 SE +/- 3.70, N = 3 1019.43 1014.42 1014.43 1021.29 1020.78 1028.26 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
perf-bench Benchmark: Memcpy 1MB OpenBenchmarking.org GB/sec, More Is Better perf-bench Benchmark: Memcpy 1MB Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1.343 2.686 4.029 5.372 6.715 SE +/- 0.007854, N = 3 SE +/- 0.051475, N = 3 SE +/- 0.003067, N = 3 SE +/- 0.072648, N = 3 SE +/- 0.020539, N = 3 SE +/- 0.074763, N = 3 5.969103 5.913378 5.954150 5.927645 5.906471 5.890760 1. (CC) gcc options: -O6 -ggdb3 -funwind-tables -std=gnu99 -lunwind-x86_64 -lunwind -llzma -Xlinker -export-dynamic -lpthread -lrt -lm -ldl -lelf -ldebuginfod -ldw -lcrypto -lslang -lpython2.7 -lutil -lbfd -lopcodes -liberty -lz -lzstd -lcap -lnuma
IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: FIFO Named Pipe - Message Bytes: 2048 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200K 400K 600K 800K 1000K SE +/- 1912.41, N = 3 SE +/- 1585.30, N = 3 SE +/- 5943.58, N = 3 SE +/- 4963.31, N = 3 SE +/- 1983.50, N = 3 SE +/- 1066.83, N = 3 807480 811570 808658 815678 818076 812530
Stress-NG Test: Matrix Math OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Matrix Math Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3K 6K 9K 12K 15K SE +/- 16.83, N = 3 SE +/- 17.54, N = 3 SE +/- 0.54, N = 3 SE +/- 4.70, N = 3 SE +/- 21.67, N = 3 SE +/- 143.42, N = 3 11754.15 11754.94 11766.64 11746.10 11704.68 11615.23 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
IPC_benchmark Type: Unnamed Pipe - Message Bytes: 2048 OpenBenchmarking.org Messages Per Second, More Is Better IPC_benchmark Type: Unnamed Pipe - Message Bytes: 2048 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200K 400K 600K 800K 1000K SE +/- 1382.62, N = 3 SE +/- 856.11, N = 3 SE +/- 4500.55, N = 3 SE +/- 1812.61, N = 3 SE +/- 589.62, N = 3 SE +/- 1759.52, N = 3 814387 819679 812768 809206 812662 814485
BenchmarkMutex Benchmark: Semaphore Release And Acquire OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Semaphore Release And Acquire Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 5 10 15 20 25 SE +/- 0.03, N = 3 SE +/- 0.07, N = 3 SE +/- 0.06, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.10, N = 3 19.0 19.1 19.0 19.0 18.9 19.0 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
Stress-NG Test: Malloc OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Malloc Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 2M 4M 6M 8M 10M SE +/- 12093.70, N = 3 SE +/- 13169.62, N = 3 SE +/- 10798.66, N = 3 SE +/- 22435.78, N = 3 SE +/- 39979.52, N = 3 SE +/- 26817.63, N = 3 11148830.46 11170312.20 11061908.02 11072394.46 11094610.36 11104734.09 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 10 20 30 40 50 SE +/- 0.12, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.12, N = 3 SE +/- 0.10, N = 3 SE +/- 0.00, N = 3 42.9 42.5 42.5 42.8 42.8 42.5 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock pthread_mutex Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 5 10 15 20 25 SE +/- 0.03, N = 3 SE +/- 0.07, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.00, N = 3 21.3 21.3 21.3 21.3 21.5 21.3 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock std::mutex Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 8 16 24 32 40 SE +/- 0.12, N = 3 SE +/- 0.12, N = 3 SE +/- 0.13, N = 3 SE +/- 0.07, N = 3 SE +/- 0.09, N = 3 SE +/- 0.20, N = 3 35.0 34.7 35.0 34.7 34.8 34.9 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
Tinymembench Standard Memset OpenBenchmarking.org MB/s, More Is Better Tinymembench 2018-05-28 Standard Memset Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1200 2400 3600 4800 6000 SE +/- 15.70, N = 3 SE +/- 2.89, N = 3 SE +/- 3.21, N = 3 SE +/- 11.53, N = 3 SE +/- 9.59, N = 3 SE +/- 6.23, N = 3 5702.3 5691.5 5677.3 5662.7 5667.0 5687.4 1. (CC) gcc options: -O2 -lm
Stress-NG Test: Atomic OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Atomic Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 40K 80K 120K 160K 200K SE +/- 324.01, N = 3 SE +/- 368.77, N = 3 SE +/- 560.17, N = 3 SE +/- 187.43, N = 3 SE +/- 267.15, N = 3 SE +/- 359.72, N = 3 167420.30 167641.36 168572.72 168463.99 168252.74 167506.68 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock spinlock_amd Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 11 22 33 44 55 SE +/- 0.07, N = 3 SE +/- 0.00, N = 3 SE +/- 0.07, N = 3 SE +/- 0.07, N = 3 SE +/- 0.10, N = 3 SE +/- 0.07, N = 3 46.9 46.6 46.7 46.8 46.7 46.7 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
Stress-NG Test: Crypto OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Crypto Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 140 280 420 560 700 SE +/- 1.45, N = 3 SE +/- 0.12, N = 3 SE +/- 1.44, N = 3 SE +/- 2.63, N = 3 SE +/- 0.64, N = 3 SE +/- 1.08, N = 3 644.00 642.70 644.60 640.73 643.77 644.11 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Tinymembench Standard Memcpy OpenBenchmarking.org MB/s, More Is Better Tinymembench 2018-05-28 Standard Memcpy Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1200 2400 3600 4800 6000 SE +/- 10.38, N = 3 SE +/- 8.19, N = 3 SE +/- 6.50, N = 3 SE +/- 6.44, N = 3 SE +/- 1.99, N = 3 SE +/- 2.99, N = 3 5825.3 5826.1 5809.3 5810.2 5825.9 5800.1 1. (CC) gcc options: -O2 -lm
Stress-NG Test: CPU Stress OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: CPU Stress Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200 400 600 800 1000 SE +/- 2.22, N = 3 SE +/- 0.36, N = 3 SE +/- 1.66, N = 3 SE +/- 0.17, N = 3 SE +/- 0.40, N = 3 SE +/- 0.22, N = 3 825.59 828.24 824.83 825.79 826.18 826.11 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
BenchmarkMutex Benchmark: Mutex Lock Unlock ticket_spinlock OpenBenchmarking.org ns, Fewer Is Better BenchmarkMutex Benchmark: Mutex Lock Unlock ticket_spinlock Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 6 12 18 24 30 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.07, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 24.9 24.8 24.8 24.9 24.8 24.8 1. (CXX) g++ options: -std=c++17 -lbenchmark -pthread
Stress-NG Test: Vector Math OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: Vector Math Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 2K 4K 6K 8K 10K SE +/- 10.59, N = 3 SE +/- 1.82, N = 3 SE +/- 0.92, N = 3 SE +/- 5.68, N = 3 SE +/- 2.27, N = 3 SE +/- 1.57, N = 3 9619.98 9629.61 9625.42 9599.18 9613.25 9615.20 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Stress-NG Test: NUMA OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: NUMA Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 9 18 27 36 45 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 38 38 38 38 38 38 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
PostgreSQL pgbench Scaling Factor: 100 - Clients: 1 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 100 - Clients: 1 - Mode: Read Only - Average Latency Kernel LLVM 0.0113 0.0226 0.0339 0.0452 0.0565 SE +/- 0.000, N = 3 0.050 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 100 - Clients: 1 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 100 - Clients: 1 - Mode: Read Only Kernel LLVM 4K 8K 12K 16K 20K SE +/- 112.18, N = 3 19914 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 250 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 250 - Mode: Read Only - Average Latency Kernel LLVM 0.9686 1.9372 2.9058 3.8744 4.843 SE +/- 0.028, N = 3 4.305 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 250 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 250 - Mode: Read Only Kernel LLVM 12K 24K 36K 48K 60K SE +/- 383.60, N = 3 58083 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 100 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 100 - Mode: Read Only - Average Latency Kernel LLVM 0.3251 0.6502 0.9753 1.3004 1.6255 SE +/- 0.001, N = 3 1.445 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 100 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 100 - Mode: Read Only Kernel LLVM 15K 30K 45K 60K 75K SE +/- 50.59, N = 3 69196 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 50 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 50 - Mode: Read Only - Average Latency Kernel LLVM 0.1541 0.3082 0.4623 0.6164 0.7705 SE +/- 0.003, N = 3 0.685 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 50 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 50 - Mode: Read Only Kernel LLVM 16K 32K 48K 64K 80K SE +/- 358.11, N = 3 73013 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Write - Average Latency Kernel LLVM 2 4 6 8 10 SE +/- 0.086, N = 3 7.225 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Write OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Write Kernel LLVM 30 60 90 120 150 SE +/- 1.65, N = 3 138 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Only - Average Latency OpenBenchmarking.org ms, Fewer Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Only - Average Latency Kernel LLVM 0.0092 0.0184 0.0276 0.0368 0.046 SE +/- 0.000, N = 3 0.041 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
PostgreSQL pgbench Scaling Factor: 1 - Clients: 1 - Mode: Read Only OpenBenchmarking.org TPS, More Is Better PostgreSQL pgbench 13.0 Scaling Factor: 1 - Clients: 1 - Mode: Read Only Kernel LLVM 5K 10K 15K 20K 25K SE +/- 38.99, N = 3 24331 1. (CC) gcc options: -fno-strict-aliasing -fwrapv -O2 -lpgcommon -lpgport -lpq -lpthread -lrt -ldl -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 64 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 15 30 45 60 75 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 67.1 67.1 67.1 67.1 67.1 67.1 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 32 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 8 16 24 32 40 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.03, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 33.6 33.6 33.6 33.6 33.6 33.6 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - Parallel: 1 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 0.2363 0.4726 0.7089 0.9452 1.1815 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 1.05 1.05 1.05 1.05 1.05 1.05 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 64 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 1400 2800 4200 5600 7000 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 6400 6400 6400 6400 6400 6400 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 32 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 700 1400 2100 2800 3500 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 3200 3200 3200 3200 3200 3200 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 1000Mbit Objective - Parallel: 1 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 200 400 600 800 1000 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 1000 1000 1000 1000 1000 1000 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
iPerf Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 OpenBenchmarking.org Mbits/sec, More Is Better iPerf 3.7 Server Address: localhost - Server Port: 5201 - Duration: 10 Seconds - Test: UDP - 100Mbit Objective - Parallel: 1 Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 20 40 60 80 100 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 SE +/- 0.00, N = 3 100 100 100 100 100 100 1. (CC) gcc options: -O3 -march=native -lssl -lcrypto -lm
Stress-NG Test: MMAP OpenBenchmarking.org Bogo Ops/s, More Is Better Stress-NG 0.11.07 Test: MMAP Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 3 6 9 12 15 SE +/- 0.25, N = 12 SE +/- 0.22, N = 15 SE +/- 0.19, N = 15 SE +/- 0.22, N = 15 SE +/- 0.09, N = 15 SE +/- 0.09, N = 3 12.45 13.13 12.71 12.43 13.45 12.77 1. (CC) gcc options: -O2 -std=gnu99 -lm -laio -lbsd -lcrypt -lrt -lz -ldl -lpthread -lc
Hackbench Count: 32 - Type: Process OpenBenchmarking.org Seconds, Fewer Is Better Hackbench Count: 32 - Type: Process Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 80 160 240 320 400 SE +/- 6.99, N = 9 SE +/- 6.91, N = 8 SE +/- 9.64, N = 9 SE +/- 24.00, N = 9 SE +/- 6.28, N = 9 SE +/- 4.27, N = 9 369.55 317.41 349.94 351.33 313.24 335.23 1. (CC) gcc options: -lpthread
OSBench Test: Create Threads OpenBenchmarking.org us Per Event, Fewer Is Better OSBench Test: Create Threads Kernel LLVM Kernel GCC Kernel LLVM 11.1 Kernel GCC 11.1.1 Kernel GCC second Kernel GCC -O2 4 8 12 16 20 SE +/- 0.68, N = 15 SE +/- 0.70, N = 15 SE +/- 0.64, N = 15 SE +/- 0.04, N = 3 SE +/- 0.62, N = 15 SE +/- 0.03, N = 3 16.55 15.75 16.02 14.57 15.39 14.15 -lm -lm 1. (CC) gcc options:
Phoronix Test Suite v10.8.5