ctx-clock-ubuntu-20-04

Intel Core i5 520M testing with a Apple Mac-F22586C8 (98.0.0.0.0 BIOS) and NVIDIA NVA5 256MB on Ubuntu 20.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2110018-TJ-CTXCLOCKU90.

ctx-clock-ubuntu-20-04ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLVulkanCompilerFile-SystemScreen Resolutionfresh install, mitigations=offmitigations=off, custom 5.4 kernelIntel Core i5 520M @ 2.40GHz (2 Cores / 4 Threads)Apple Mac-F22586C8 (98.0.0.0.0 BIOS)Intel Core DRAM8GB2000GB Western Digital WDS200T2B0ANVIDIA NVA5 256MBCirrus Logic CS4206Broadcom NetXtreme BCM5764M PCIe + Broadcom BCM43224 802.11a/b/g/nUbuntu 20.045.11.0-38-generic (x86_64)GNOME Shell 3.36.9X Server 1.20.11nouveau3.3 Mesa 21.3.0-devel (git-e55e617 2021-09-30 focal-oibaf-ppa)1.2.193GCC 9.3.0ext41680x1050Cirrus Logic Generic5.4.150-0504150+customidle-generic (x86_64)3.3 Mesa 21.3.0-devel (git-ad50b47 2021-10-01 focal-oibaf-ppa)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseCompiler Details- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --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++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-9-HskZEa/gcc-9-9.3.0/debian/tmp-nvptx/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-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- Scaling Governor: acpi-cpufreq performance (Boost: Enabled) - CPU Microcode: 0x7Security Details- fresh install, mitigations=off: 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 - mitigations=off, custom 5.4 kernel: itlb_multihit: KVM: Vulnerable + 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

ctx-clock-ubuntu-20-04ctx-clock: Context Switch TimeDifferenceStandard ErrorStandard Deviationfresh install, mitigations=offmitigations=off, custom 5.4 kernel1871.00x1.000.93%1591.15xOpenBenchmarking.org

ctx_clock

Context Switch Time

OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch Timefresh install, mitigations=offmitigations=off, custom 5.4 kernel4080120160200SE +/- 1.00, N = 3187159

Phoronix Test Suite v10.8.4