memory-test-1

Memory testing on kvm-6 Ubuntu 22.04

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kvm-5-memory-test
March 15
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kvm-5-memory-test

Processor: 32 x Intel Xeon E312xx (Sandy Bridge IBRS update) (32 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (1.15.0-1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 32 x 16 GB RAM QEMU, Disk: 1100GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device

OS: Ubuntu 22.04, Kernel: 5.15.0-100-generic (x86_64), Compiler: GCC 11.4.0, File-System: ext4, System Layer: microsoft

Kernel Notes: Transparent Huge Pages: madvise
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-gcn/usr --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: CPU Microcode: 0x1000065
Security Notes: gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines IBPB: conditional IBRS_FW STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

kvm-6-memory-test

Changed Memory to 16 x GB RAM QEMU.

memory-test-1OpenBenchmarking.orgPhoronix Test Suite32 x Intel Xeon E312xx (Sandy Bridge IBRS update) (32 Cores)QEMU Standard PC (i440FX + PIIX 1996) (1.15.0-1 BIOS)Intel 440FX 82441FX PMC32 x 16 GB RAM QEMU16 x GB RAM QEMU1100GB QEMU HDDCirrus Logic GD 5446Red Hat Virtio deviceUbuntu 22.045.15.0-100-generic (x86_64)GCC 11.4.0ext4microsoftProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemSystem LayerMemory-test-1 BenchmarksSystem Logs- Transparent Huge Pages: madvise- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-gcn/usr --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - CPU Microcode: 0x1000065- gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines IBPB: conditional IBRS_FW STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

kvm-5-memory-test vs. kvm-6-memory-test ComparisonPhoronix Test SuiteBaseline+2.2%+2.2%+4.4%+4.4%+6.6%+6.6%+8.8%+8.8%3.7%3.6%2.5%2.2%18.8%Scale - Floating Point4.9%TriadAddScaleTriad - Integert-test1RAMspeed SMPStreamStreamStreamRAMspeed SMPkvm-5-memory-testkvm-6-memory-test

memory-test-1t-test1: 1ramspeed: Scale - Floating Pointstream: Triadstream: Addstream: Scaleramspeed: Triad - Integerramspeed: Scale - Integermbw: Memory Copy - 1024 MiBtinymembench: Standard Memsetmbw: Memory Copy, Fixed Block Size - 1024 MiBramspeed: Add - Integerramspeed: Average - Integerramspeed: Add - Floating Pointramspeed: Triad - Floating Pointstream: Copyt-test1: 2ramspeed: Copy - Floating Pointramspeed: Copy - Integercachebench: Write Cachetinymembench: Standard Memcpycachebench: Read Cacheramspeed: Average - Floating Pointkvm-5-memory-testkvm-6-memory-test36.80149233.9399670.297964.888712.842438.2042980.5516957.71433118.39760.01752724.2647249.1553358.2352191.65121403.612.87151067.2551770.8253178.56470220110.89340.09439951595.9440.03146937.60103365.5101528.190910.843364.8142361.3316721.22232678.49634.41553403.4747780.8752949.4352585.08122234.212.79450810.9551591.7053011.33139920160.89359.88840351684.27OpenBenchmarking.org

t-test1

This is a test of t-test1 for basic memory allocator benchmarks. Note this test profile is currently very basic and the overall time does include the warmup time of the custom t-test1 compilation. Improvements welcome. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 1kvm-5-memory-testkvm-6-memory-test918273645SE +/- 0.12, N = 3SE +/- 0.07, N = 336.8040.031. (CC) gcc options: -pthread

RAMspeed SMP

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Scale - Benchmark: Floating Pointkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 298.59, N = 3SE +/- 211.64, N = 349233.9346937.601. (CC) gcc options: -O3 -march=native

Stream

This is a benchmark of Stream, the popular system memory (RAM) benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Triadkvm-5-memory-testkvm-6-memory-test20K40K60K80K100KSE +/- 33.24, N = 5SE +/- 32.83, N = 599670.2103365.51. (CC) gcc options: -O3 -march=native -fopenmp

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Addkvm-5-memory-testkvm-6-memory-test20K40K60K80K100KSE +/- 46.61, N = 5SE +/- 31.08, N = 597964.8101528.11. (CC) gcc options: -O3 -march=native -fopenmp

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Scalekvm-5-memory-testkvm-6-memory-test20K40K60K80K100KSE +/- 106.66, N = 5SE +/- 115.79, N = 588712.890910.81. (CC) gcc options: -O3 -march=native -fopenmp

RAMspeed SMP

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Triad - Benchmark: Integerkvm-5-memory-testkvm-6-memory-test9K18K27K36K45KSE +/- 442.50, N = 3SE +/- 312.39, N = 342438.2043364.811. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Scale - Benchmark: Integerkvm-5-memory-testkvm-6-memory-test9K18K27K36K45KSE +/- 49.26, N = 3SE +/- 127.18, N = 342980.5542361.331. (CC) gcc options: -O3 -march=native

MBW

This is a basic/simple memory (RAM) bandwidth benchmark for memory copy operations. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy - Array Size: 1024 MiBkvm-5-memory-testkvm-6-memory-test4K8K12K16K20KSE +/- 19.80, N = 3SE +/- 5.08, N = 316957.7116721.221. (CC) gcc options: -O3 -march=native

Tinymembench

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterTinymembench 2018-05-28Standard Memsetkvm-5-memory-testkvm-6-memory-test7K14K21K28K35KSE +/- 206.67, N = 3SE +/- 327.58, N = 333118.332678.41. (CC) gcc options: -O2 -lm

MBW

This is a basic/simple memory (RAM) bandwidth benchmark for memory copy operations. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiBkvm-5-memory-testkvm-6-memory-test2K4K6K8K10KSE +/- 21.88, N = 3SE +/- 4.27, N = 39760.029634.421. (CC) gcc options: -O3 -march=native

RAMspeed SMP

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Add - Benchmark: Integerkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 634.67, N = 3SE +/- 407.62, N = 352724.2653403.471. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Average - Benchmark: Integerkvm-5-memory-testkvm-6-memory-test10K20K30K40K50KSE +/- 167.10, N = 3SE +/- 432.25, N = 347249.1547780.871. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Add - Benchmark: Floating Pointkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 500.07, N = 3SE +/- 328.61, N = 353358.2352949.431. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Triad - Benchmark: Floating Pointkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 628.20, N = 3SE +/- 305.53, N = 352191.6552585.081. (CC) gcc options: -O3 -march=native

Stream

This is a benchmark of Stream, the popular system memory (RAM) benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Copykvm-5-memory-testkvm-6-memory-test30K60K90K120K150KSE +/- 76.14, N = 5SE +/- 322.63, N = 5121403.6122234.21. (CC) gcc options: -O3 -march=native -fopenmp

t-test1

This is a test of t-test1 for basic memory allocator benchmarks. Note this test profile is currently very basic and the overall time does include the warmup time of the custom t-test1 compilation. Improvements welcome. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 2kvm-5-memory-testkvm-6-memory-test3691215SE +/- 0.03, N = 3SE +/- 0.01, N = 312.8712.791. (CC) gcc options: -pthread

RAMspeed SMP

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Copy - Benchmark: Floating Pointkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 116.32, N = 3SE +/- 273.03, N = 351067.2550810.951. (CC) gcc options: -O3 -march=native

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Copy - Benchmark: Integerkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 64.39, N = 3SE +/- 200.47, N = 351770.8251591.701. (CC) gcc options: -O3 -march=native

CacheBench

This is a performance test of CacheBench, which is part of LLCbench. CacheBench is designed to test the memory and cache bandwidth performance Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchWrite Cachekvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 84.17, N = 3SE +/- 88.57, N = 353178.5653011.33MIN: 46915.58 / MAX: 55824.15MIN: 42900.83 / MAX: 55892.831. (CC) gcc options: -O3 -lrt

Tinymembench

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterTinymembench 2018-05-28Standard Memcpykvm-5-memory-testkvm-6-memory-test4K8K12K16K20KSE +/- 15.07, N = 3SE +/- 35.86, N = 320110.820160.81. (CC) gcc options: -O2 -lm

CacheBench

This is a performance test of CacheBench, which is part of LLCbench. CacheBench is designed to test the memory and cache bandwidth performance Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchRead Cachekvm-5-memory-testkvm-6-memory-test2K4K6K8K10KSE +/- 2.13, N = 3SE +/- 0.13, N = 39340.099359.89MIN: 9282.46 / MAX: 9360.5MIN: 9343.94 / MAX: 9369.191. (CC) gcc options: -O3 -lrt

RAMspeed SMP

This benchmark tests the system memory (RAM) performance. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Type: Average - Benchmark: Floating Pointkvm-5-memory-testkvm-6-memory-test11K22K33K44K55KSE +/- 138.13, N = 3SE +/- 248.21, N = 351595.9451684.271. (CC) gcc options: -O3 -march=native

kvm-5-memory-test

Processor: 32 x Intel Xeon E312xx (Sandy Bridge IBRS update) (32 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (1.15.0-1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 32 x 16 GB RAM QEMU, Disk: 1100GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device

OS: Ubuntu 22.04, Kernel: 5.15.0-100-generic (x86_64), Compiler: GCC 11.4.0, File-System: ext4, System Layer: microsoft

Kernel Notes: Transparent Huge Pages: madvise
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-gcn/usr --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: CPU Microcode: 0x1000065
Security Notes: gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines IBPB: conditional IBRS_FW STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 15 March 2024 15:08 by user root.

kvm-6-memory-test

Processor: 32 x Intel Xeon E312xx (Sandy Bridge IBRS update) (32 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (1.15.0-1 BIOS), Chipset: Intel 440FX 82441FX PMC, Memory: 16 x GB RAM QEMU, Disk: 1100GB QEMU HDD, Graphics: Cirrus Logic GD 5446, Network: Red Hat Virtio device

OS: Ubuntu 22.04, Kernel: 5.15.0-100-generic (x86_64), Compiler: GCC 11.4.0, File-System: ext4, System Layer: microsoft

Kernel Notes: Transparent Huge Pages: madvise
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-XeT9lY/gcc-11-11.4.0/debian/tmp-gcn/usr --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: CPU Microcode: 0x1000065
Security Notes: gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines IBPB: conditional IBRS_FW STIBP: disabled RSB filling PBRSB-eIBRS: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 15 March 2024 19:12 by user root.