undervolting

Intel® Core™ i7-10750H CPU @ 2.60GHz × 12

HTML result view exported from: https://openbenchmarking.org/result/2206281-NE-2206266HU58.

undervoltingProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLVulkanCompilerFile-SystemScreen Resolutionstockuv -100/-50uv -125/-75uv -135/-75i7-10750H-P15-gen1-lenovoIntel Core i7-9850H @ 4.60GHz (6 Cores / 12 Threads)Dell 0Y8H01 (1.8.3 BIOS)Intel Cannon Lake PCH32768MBKXG60ZNV512G NVMe TOSHIBA 512GBIntel UHD 630 3GB (1150MHz)Realtek ALC3204Intel I219-LM + Intel-AC 9560Ubuntu 20.045.4.0-121-generic (x86_64)GNOME Shell 3.36.9X Server 1.20.13modesetting 1.20.134.6 Mesa 21.2.61.2.182GCC 9.4.0 + Clang 10.0.0-4ubuntu1ext41920x1080Intel Core i7-10750H @ 5.00GHz (6 Cores / 12 Threads)LENOVO 20ST001BPB (N30ET43W 1.26 BIOS)Intel Comet Lake PCH16GB1000GB Samsung SSD 980 1TBNVIDIA Quadro T1000 4GBRealtek ALC285Intel + Intel Wi-Fi 6 AX2015.13.0-51-generic (x86_64)NVIDIA 470.129.064.6.0GCC 9.4.07040x1440OpenBenchmarking.orgCompiler 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-Av3uEd/gcc-9-9.4.0/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- stock: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xf0- uv -100/-50: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xf0- uv -125/-75: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xf0- uv -135/-75: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xf0- i7-10750H-P15-gen1-lenovo: Scaling Governor: intel_pstate powersave (EPP: balance_performance) - Platform Profile: balanced - CPU Microcode: 0xec - ACPI Profile: balancedSecurity Details- stock: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Mitigation of Clear buffers; SMT vulnerable + 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 Enhanced IBRS IBPB: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Mitigation of TSX disabled - uv -100/-50: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Mitigation of Clear buffers; SMT vulnerable + 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 Enhanced IBRS IBPB: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Mitigation of TSX disabled - uv -125/-75: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Mitigation of Clear buffers; SMT vulnerable + 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 Enhanced IBRS IBPB: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Mitigation of TSX disabled - uv -135/-75: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Mitigation of Clear buffers; SMT vulnerable + 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 Enhanced IBRS IBPB: conditional RSB filling + srbds: Mitigation of Microcode + tsx_async_abort: Mitigation of TSX disabled - i7-10750H-P15-gen1-lenovo: itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Vulnerable: Clear buffers attempted no microcode; SMT vulnerable + 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 Enhanced IBRS IBPB: conditional RSB filling + srbds: Vulnerable: No microcode + tsx_async_abort: Not affected Kernel Details- i7-10750H-P15-gen1-lenovo: Transparent Huge Pages: madvise

undervoltingbuild-linux-kernel: defconfigDifferenceStandard ErrorStandard Deviationstockuv -100/-50uv -125/-75uv -135/-75i7-10750H-P15-gen1-lenovo190.5791.00x2.181.98%176.5321.07x1.691.66%168.8041.11x1.691.73%168.9001.11x1.781.82%OpenBenchmarking.org

Timed Linux Kernel Compilation

Build: defconfig

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 5.18Build: defconfigstockuv -100/-50uv -125/-75uv -135/-754080120160200SE +/- 2.18, N = 3SE +/- 1.69, N = 3SE +/- 1.69, N = 3SE +/- 1.78, N = 3190.58176.53168.80168.90

Timed Linux Kernel Compilation

CPU Frequency (CPU0) Monitor

MinAvgMaxstock93830214101uv -100/-50106832674101uv -125/-7598634254100uv -135/-7590034184100OpenBenchmarking.orgMegahertz, More Is BetterTimed Linux Kernel Compilation 5.18CPU Frequency (CPU0) Monitor11002200330044005500

Timed Linux Kernel Compilation

CPU Temperature Monitor

MinAvgMaxstock42.095.1100.0uv -100/-5051.095.7100.0uv -125/-7542.094.599.0uv -135/-7546.095.199.0OpenBenchmarking.orgCelsius, Fewer Is BetterTimed Linux Kernel Compilation 5.18CPU Temperature Monitor20406080100

Phoronix Test Suite v10.8.4