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.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2110018-TJ-CTXCLOCKU90
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  Test
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fresh install, mitigations=off
September 30 2021
  1 Minute
mitigations=off, custom 5.4 kernel
October 01 2021
  1 Minute
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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

Ctx_clock is a simple test program to measure the context switch time in clock cycles. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch Timefresh install, mitigations=offmitigations=off, custom 5.4 kernel4080120160200SE +/- 1.00, N = 3187159
OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch Timefresh install, mitigations=offmitigations=off, custom 5.4 kernel306090120150Min: 186 / Avg: 187 / Max: 189