KVM testing 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 2102264-HA-RYZENLATE91 ryzen-latency - Phoronix Test Suite ryzen-latency KVM testing on Ubuntu 20.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2102264-HA-RYZENLATE91 .
ryzen-latency Processor Motherboard Chipset Memory Disk Graphics Audio Monitor Network OS Kernel Compiler File-System Screen Resolution System Layer no affinity aff core 0-7 aff core 8-15 no aff server load aff core 8-15 load AMD Ryzen 7 1700 Eight-Core (7 Cores) QEMU Standard PC (Q35 + ICH9 2009) (rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org BIOS) Intel 82G33/G31/P35/P31 + ICH9 4096MB 129GB QEMU HDD bochs-drmdrmfb Intel 82801I QEMU Monitor Red Hat Virtio device Ubuntu 20.04 5.4.0-66-generic (x86_64) GCC 9.3.0 ext4 1024x768 KVM OpenBenchmarking.org Kernel Details - Transparent Huge Pages: madvise Compiler 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 - CPU Microcode: 0x1000065 Security Details - itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: 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 Full AMD retpoline IBPB: conditional STIBP: disabled RSB filling + srbds: Not affected + tsx_async_abort: Not affected
ryzen-latency core-latency: Average Latency Between CPU Cores Difference no affinity aff core 0-7 aff core 8-15 no aff server load aff core 8-15 load 125.675 1.51x 166.6137 1.36x 162.7909 1.37x 259.03772 1.00x 174.1287 1.33x OpenBenchmarking.org
Core-Latency Average Latency Between CPU Cores OpenBenchmarking.org ns, Fewer Is Better Core-Latency Average Latency Between CPU Cores no affinity aff core 0-7 aff core 8-15 no aff server load aff core 8-15 load 60 120 180 240 300 125.68 166.61 162.79 259.04 174.13 MIN: 53.97 / MAX: 279.29 MIN: 53.92 / MAX: 266.58 MIN: 54.21 / MAX: 270.66 MIN: 2.92 / MAX: 953.24 MIN: 55.8 / MAX: 278.25 1. (CXX) g++ options: -std=c++11 -pthread -O3
Phoronix Test Suite v10.8.4