KVM testing on CentOS 7.6.1810 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2110145-IB-TESTCACHE76&gru.

test-cachebenchProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem LayerIntel Xeon E5-2682 v4Intel Xeon E5-2682 v4 (2 Cores / 4 Threads)Alibaba Cloud ECS (8c24b4c BIOS)Intel 440FX 82441FX PMC1 x 8192 MB RAM99GBCirrus Logic GD 5446Red Hat Virtio deviceCentOS 7.6.18103.10.0-957.21.3.el7.x86_64 (x86_64)GCC 9.3.1 20200408ext41024x768KVMOpenBenchmarking.org- Transparent Huge Pages: always- --build=x86_64-redhat-linux --disable-libmpx --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/opt/rh/devtoolset-9/root/usr/share/man --with-arch_32=x86-64 --with-default-libstdcxx-abi=gcc4-compatible --with-gcc-major-version-only --with-linker-hash-style=gnu --with-tune=generic - CPU Microcode: 0x1- l1tf: Mitigation of PTE Inversion + mds: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown + meltdown: Mitigation of PTI + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of Load fences __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB

test-cachebenchcachebench: Readcachebench: Writecachebench: Read / Modify / WriteIntel Xeon E5-2682 v42429.28383320441.49200131239.598772OpenBenchmarking.org


Test: Read

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: ReadIntel Xeon E5-2682 v45001000150020002500SE +/- 0.25, N = 32429.28MIN: 2425.67 / MAX: 2432.291. (CC) gcc options: -lrt


Test: Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: WriteIntel Xeon E5-2682 v44K8K12K16K20KSE +/- 0.31, N = 320441.49MIN: 18470.7 / MAX: 21738.471. (CC) gcc options: -lrt


Test: Read / Modify / Write

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchTest: Read / Modify / WriteIntel Xeon E5-2682 v47K14K21K28K35KSE +/- 12.99, N = 331239.60MIN: 25458.72 / MAX: 34557.741. (CC) gcc options: -lrt

Phoronix Test Suite v10.8.0