Lenovo Kernel

Intel Core i3-3110M testing with a LENOVO (78CN25WWV2.03 BIOS) and Intel HD 4000 2GB on Ubuntu 21.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2106024-IB-2105291IB05&grr&rdt.

Lenovo KernelProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerOpenGLVulkanCompilerFile-SystemScreen ResolutionDisplay DriverUbuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2pluma /.phoronix-test-suite/installed-tests/pts/mutex-1.0.0/install-failed.logVoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.1Intel Core i3-3110M @ 2.40GHz (2 Cores / 4 Threads)LENOVO (78CN25WWV2.03 BIOS)Intel 3rd Gen Core DRAM8GB1000GB Samsung SSD 860Intel HD 4000 2GB (1000MHz)Conexant CX20757Qualcomm Atheros QCA8172 + Intel Centrino-N 135Ubuntu 21.045.11.0-16-generic (x86_64)MATE 1.24.1X Server 1.20.114.2 Mesa 21.0.11.2.145GCC 10.3.0 + Clang 12.0.0-1ubuntu1 + LLVM 12.0.0zfs1366x768Clear Linux OS 346005.12.2-1038.native (x86_64)GNOME Shell 40.04.2 Mesa 21.1.01.2.168GCC 11.1.1 20210507 releases/gcc-11.1.0-76-g3068b39d12 + Clang 11.1.0 + LLVM 11.1.0ext4Intel HD 4000 (1000MHz)VoidLinux rolling5.11.21_1 (x86_64)intel 2.99.917GCC 10.2.1 20201203 + Clang 11.0.0 + LLVM 11.0.0f2fsIntel HD 4000 2GB (1000MHz)CentOS Stream 84.18.0-301.1.el8.x86_64 (x86_64)GNOME Shell 3.32.2X Server + Wayland4.2 Mesa 20.3.3GCC 8.4.1 20210423 + Clang 11.0.0 + LLVM 11.0.0xfs1000GB Samsung SSD 860 + 8GB Flash DiskOpenMandrivaLinux 4.25.11.12-desktop-1omv4002 (x86_64)KDE Plasma 5.20.5X Server 1.20.104.2 Mesa 20.3.41.0.2Clang 11.0.1 + GCC 10.2.1 20201205 + LLVM 11.0.1ext41000GB Samsung SSD 860Intel 3rd Gen Core (1000MHz)Gentoo/Linux5.12.8-gentoo-dist (x86_64)MATE 1.24.0X Server 1.20.11GCC 10.2.0 + Clang 11.1.0 + LLVM 11.1.0btrfsIntel HD 4000 2GB (1000MHz)Ubuntu 21.045.12.8-051208-generic (x86_64)MATE 1.24.14.2 Mesa 21.0.11.2.145GCC 11.1.0 + Clang 12.0.0-1ubuntu1 + LLVM 12.0.0OpenBenchmarking.orgKernel Details- Ubuntu 21.04 -miti GCC 10.3: Transparent Huge Pages: madvise- ClearLinux 34600 miti GCC 11.1: Transparent Huge Pages: always- CentOS Stream 8 -miti 4.18 GCC 8.4: Transparent Huge Pages: always- OpenMandriva LX 4.2 miti 5.11 Clang 11.0: dm_mod.use_blk_mq=1 - Transparent Huge Pages: always- Gentoo -miti 5.12-Stock GCC 10.2: Transparent Huge Pages: madvise- Ubuntu 21.04 -miti 5.12 GCC 11.1: Transparent Huge Pages: madviseCompiler Details- Ubuntu 21.04 -miti GCC 10.3: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --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-mutex --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-10-gDeRY6/gcc-10-10.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-10-gDeRY6/gcc-10-10.3.0/debian/tmp-gcn/usr,hsa --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 - ClearLinux 34600 miti GCC 11.1: --build=x86_64-generic-linux --disable-libmpx --disable-libunwind-exceptions --disable-multiarch --disable-vtable-verify --disable-werror --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-clocale=gnu --enable-default-pie --enable-gnu-indirect-function --enable-languages=c,c++,fortran,go --enable-ld=default --enable-libstdcxx-pch --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --exec-prefix=/usr --includedir=/usr/include --target=x86_64-generic-linux --with-arch=westmere --with-gcc-major-version-only --with-glibc-version=2.19 --with-gnu-ld --with-isl --with-ppl=yes --with-tune=skylake-avx512- VoidLinux Musl miti GCC 10.2: --build=x86_64-linux-musl --disable-gnu-unique-object --disable-libsanitizer --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-sjlj-exceptions --disable-symvers --disable-target-libiberty --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-default-pie --enable-default-ssp --enable-languages=c,c++,objc,obj-c++,fortran,lto,go,ada --enable-lto --enable-plugins --enable-shared --enable-threads=posix --enable-vtable-verify --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu- pluma /.phoronix-test-suite/installed-tests/pts/mutex-1.0.0/install-failed.log: --build=x86_64-linux-musl --disable-gnu-unique-object --disable-libsanitizer --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-sjlj-exceptions --disable-symvers --disable-target-libiberty --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-default-pie --enable-default-ssp --enable-languages=c,c++,objc,obj-c++,fortran,lto,go,ada --enable-lto --enable-plugins --enable-shared --enable-threads=posix --enable-vtable-verify --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu- VoidLinux Musl miti GCC 10.2 v2: --build=x86_64-linux-musl --disable-gnu-unique-object --disable-libsanitizer --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-sjlj-exceptions --disable-symvers --disable-target-libiberty --disable-werror --enable-__cxa_atexit --enable-checking=release --enable-default-pie --enable-default-ssp --enable-languages=c,c++,objc,obj-c++,fortran,lto,go,ada --enable-lto --enable-plugins --enable-shared --enable-threads=posix --enable-vtable-verify --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu- OpenMandriva LX 4.2 miti 5.11 Clang 11.0: Optimized build with assertions; Default target: x86_64-pc-linux-gnu; Host CPU: ivybridge- Ubuntu 21.04 -miti 5.12 GCC 11.1: --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-RPS7jb/gcc-11-11.1.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-RPS7jb/gcc-11-11.1.0/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 Details- Ubuntu 21.04 -miti GCC 10.3: Scaling Governor: intel_cpufreq performance - CPU Microcode: 0x21 - Thermald 2.4.3- ClearLinux 34600 miti GCC 11.1: Scaling Governor: intel_cpufreq performance - CPU Microcode: 0x21 - Thermald 2.4.4- VoidLinux Musl miti GCC 10.2: Scaling Governor: intel_cpufreq schedutil - CPU Microcode: 0x21- pluma /.phoronix-test-suite/installed-tests/pts/mutex-1.0.0/install-failed.log: Scaling Governor: intel_cpufreq schedutil - CPU Microcode: 0x21- VoidLinux Musl miti GCC 10.2 v2: Scaling Governor: intel_cpufreq schedutil - CPU Microcode: 0x21- CentOS Stream 8 -miti 4.18 GCC 8.4: Scaling Governor: intel_pstate performance - CPU Microcode: 0x21- OpenMandriva LX 4.2 miti 5.11 Clang 11.0: Scaling Governor: intel_cpufreq performance - CPU Microcode: 0x21- Gentoo -miti 5.12-Stock GCC 10.2: Scaling Governor: intel_cpufreq performance - CPU Microcode: 0x21- Ubuntu 21.04 -miti 5.12 GCC 11.1: Scaling Governor: intel_cpufreq performance - CPU Microcode: 0x21 - Thermald 2.4.3Disk Scheduler Details- Ubuntu 21.04 -miti GCC 10.3: NONEPython Details- Ubuntu 21.04 -miti GCC 10.3: Python 3.9.4Security Details- Ubuntu 21.04 -miti GCC 10.3: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- ClearLinux 34600 miti GCC 11.1: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- VoidLinux Musl miti GCC 10.2: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- pluma /.phoronix-test-suite/installed-tests/pts/mutex-1.0.0/install-failed.log: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- VoidLinux Musl miti GCC 10.2 v2: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- CentOS Stream 8 -miti 4.18 GCC 8.4: SELinux + itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- OpenMandriva LX 4.2 miti 5.11 Clang 11.0: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + srbds: Not affected + tsx_async_abort: Not affected- Gentoo -miti 5.12-Stock GCC 10.2: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + srbds: Not affected + tsx_async_abort: Not affected- Ubuntu 21.04 -miti 5.12 GCC 11.1: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + srbds: Not affected + tsx_async_abort: Not affectedEnvironment Details- ClearLinux 34600 miti GCC 11.1: FFLAGS="-g -O3 -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -m64 -fasynchronous-unwind-tables -Wp,-D_REENTRANT -ftree-loop-distribute-patterns -Wl,-z -Wl,now -Wl,-z -Wl,relro -malign-data=abi -fno-semantic-interposition -ftree-vectorize -ftree-loop-vectorize -Wl,--enable-new-dtags -Wa,-mbranches-within-32B-boundaries" CXXFLAGS="-g -O3 -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -m64 -fasynchronous-unwind-tables -Wp,-D_REENTRANT -ftree-loop-distribute-patterns -Wl,-z -Wl,now -Wl,-z -Wl,relro -fno-semantic-interposition -ffat-lto-objects -fno-trapping-math -Wl,-sort-common -Wl,--enable-new-dtags -mtune=skylake -Wa,-mbranches-within-32B-boundaries -fvisibility-inlines-hidden -Wl,--enable-new-dtags" MESA_GLSL_CACHE_DISABLE=0 FCFLAGS="-g -O3 -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -m64 -fasynchronous-unwind-tables -Wp,-D_REENTRANT -ftree-loop-distribute-patterns -Wl,-z -Wl,now -Wl,-z -Wl,relro -malign-data=abi -fno-semantic-interposition -ftree-vectorize -ftree-loop-vectorize -Wl,-sort-common -Wl,--enable-new-dtags" CFLAGS="-g -O3 -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -m64 -fasynchronous-unwind-tables -Wp,-D_REENTRANT -ftree-loop-distribute-patterns -Wl,-z -Wl,now -Wl,-z -Wl,relro -fno-semantic-interposition -ffat-lto-objects -fno-trapping-math -Wl,-sort-common -Wl,--enable-new-dtags -mtune=skylake -Wa,-mbranches-within-32B-boundaries" THEANO_FLAGS="floatX=float32,openmp=true,gcc.cxxflags="-ftree-vectorize -mavx""

Lenovo Kernelhackbench: 4 - Processmutex: Mutex Lock Unlock std::mutexschbench: 4 - 4rocksdb: Rand Readt-test1: 2mbw: Memory Copy - 1024 MiBctx-clock: Context Switch TimeUbuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2pluma /.phoronix-test-suite/installed-tests/pts/mutex-1.0.0/install-failed.logVoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.1118.98440.440512561816911.9867056.088116993.0723864011.8726658.201116990.6764042711.3086463.711118592.79638848587098811.5086479.5551185102.61940.150027555511312.2526939.4081260101.183383365.7716556.332116150.79638.040188615524210.0497023.56020477.05139.94169010.2836991.314208OpenBenchmarking.org

Hackbench

Count: 4 - Type: Process

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 4 - Type: ProcessUbuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2VoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.1306090120150SE +/- 0.51, N = 3SE +/- 0.15, N = 3SE +/- 0.24, N = 3SE +/- 0.33, N = 3SE +/- 0.31, N = 3SE +/- 0.39, N = 3SE +/- 0.11, N = 3SE +/- 0.53, N = 3118.9893.0790.6892.80102.62101.1850.8077.05

BenchmarkMutex

Benchmark: Mutex Lock Unlock std::mutex

OpenBenchmarking.orgns, Fewer Is BetterBenchmarkMutexBenchmark: Mutex Lock Unlock std::mutexUbuntu 21.04 -miti GCC 10.3CentOS Stream 8 -miti 4.18 GCC 8.4Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.1918273645SE +/- 0.09, N = 3SE +/- 0.31, N = 10SE +/- 0.03, N = 3SE +/- 0.03, N = 340.440.138.039.91. (CXX) g++ options: -std=c++17 -lbenchmark -pthread

Schbench

Message Threads: 4 - Workers Per Message Thread: 4

OpenBenchmarking.orgusec, 99.9th Latency Percentile, Fewer Is BetterSchbenchMessage Threads: 4 - Workers Per Message Thread: 4Ubuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2VoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.111K22K33K44K55KSE +/- 384.00, N = 3SE +/- 341.18, N = 8SE +/- 554.67, N = 3SE +/- 411.46, N = 3SE +/- 554.67, N = 3SE +/- 266.45, N = 3SE +/- 263.77, N = 15SE +/- 356.65, N = 154051238640404273884850027383364018841690gccgccgccgccgccclanggccgcc

Facebook RocksDB

Test: Random Read

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random ReadUbuntu 21.04 -miti GCC 10.3VoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4Gentoo -miti 5.12-Stock GCC 10.21.3M2.6M3.9M5.2M6.5MSE +/- 14801.76, N = 3SE +/- 52910.88, N = 3SE +/- 3707.16, N = 3SE +/- 5911.28, N = 35618169587098855551136155242-lpthread-O2 -lgflags -lpthread-lpthread1. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic

t-test1

Threads: 2

OpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 2Ubuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2VoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.13691215SE +/- 0.006, N = 3SE +/- 0.042, N = 3SE +/- 0.182, N = 15SE +/- 0.154, N = 15SE +/- 0.002, N = 3SE +/- 0.016, N = 3SE +/- 0.006, N = 3SE +/- 0.021, N = 311.98611.87211.30811.50812.2525.77110.04910.283

MBW

Test: Memory Copy - Array Size: 1024 MiB

OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy - Array Size: 1024 MiBUbuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2VoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.115003000450060007500SE +/- 20.67, N = 3SE +/- 58.21, N = 3SE +/- 24.03, N = 3SE +/- 7.80, N = 3SE +/- 10.37, N = 3SE +/- 6.05, N = 3SE +/- 0.65, N = 3SE +/- 37.54, N = 37056.096658.206463.716479.566939.416556.337023.566991.31

ctx_clock

Context Switch Time

OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch TimeUbuntu 21.04 -miti GCC 10.3ClearLinux 34600 miti GCC 11.1VoidLinux Musl miti GCC 10.2VoidLinux Musl miti GCC 10.2 v2CentOS Stream 8 -miti 4.18 GCC 8.4OpenMandriva LX 4.2 miti 5.11 Clang 11.0Gentoo -miti 5.12-Stock GCC 10.2Ubuntu 21.04 -miti 5.12 GCC 11.130060090012001500SE +/- 13.33, N = 3SE +/- 3.53, N = 3SE +/- 1.33, N = 3SE +/- 2.67, N = 3SE +/- 1.33, N = 3116911691185118512601161204208

Phoronix Test Suite v10.8.5