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KVM testing on CentOS Linux 7 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1911147-AS-E2345673751.

eProcessorMotherboardChipsetMemoryDiskGraphicsNetworkOSKernelCompilerFile-SystemScreen ResolutionSystem Layerlinode-dedicated-cpu4 x AMD EPYC 7601 32-Core (4 Cores)QEMU Standard PC (Q35 + ICH9 2009) (rel-1.12.0-0-ga698c8995f-prebuilt.qemu.org BIOS)Intel 82G33/G31/P35/P31 + ICH91 x 8192 MB RAM QEMU171GB QEMU HDD + QEMU HDDbochsdrmfbRed Hat Virtio deviceCentOS Linux 73.10.0-1062.4.1.el7.x86_64 (x86_64)GCC 4.8.5 20150623ext41024x768KVMOpenBenchmarking.org- --build=x86_64-redhat-linux --disable-libgcj --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++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-linker-hash-style=gnu --with-tune=generic - SELinux + l1tf: Not affected + mds: Not affected + meltdown: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of Load fences usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full retpoline IBPB

eramspeed: Integer Addramspeed: Integer Copyramspeed: Integer Scaleramspeed: Floating-Point Addstream: Addstream: Copystream: Scaletinymembench: Standard Memcpytinymembench: Standard Memsetmbw: Memory Copy - 1024 MiBmbw: Memory Copy, Fixed Block Size - 1024 MiBcachebench: Read Cachecachebench: Write Cachelinode-dedicated-cpu23075.8320982.8320278.7123194.8323666.1433292.9022031.4612088.1311515.7711968.287487.431825.0618053.80OpenBenchmarking.org

RAMspeed SMP

Integer Add

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Integer Addlinode-dedicated-cpu5K10K15K20K25K23075.831. (CC) gcc options: -O3 -march=native

RAMspeed SMP

Integer Copy

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Integer Copylinode-dedicated-cpu4K8K12K16K20K20982.831. (CC) gcc options: -O3 -march=native

RAMspeed SMP

Integer Scale

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Integer Scalelinode-dedicated-cpu4K8K12K16K20K20278.711. (CC) gcc options: -O3 -march=native

RAMspeed SMP

Floating-Point Add

OpenBenchmarking.orgMB/s, More Is BetterRAMspeed SMP 3.5.0Floating-Point Addlinode-dedicated-cpu5K10K15K20K25K23194.831. (CC) gcc options: -O3 -march=native

Stream

Add

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Addlinode-dedicated-cpu5K10K15K20K25KSE +/- 6.15, N = 523666.141. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Copy

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Copylinode-dedicated-cpu7K14K21K28K35KSE +/- 42.40, N = 533292.901. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Scale

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Scalelinode-dedicated-cpu5K10K15K20K25KSE +/- 35.06, N = 522031.461. (CC) gcc options: -O3 -march=native -fopenmp

Tinymembench

Standard Memcpy

OpenBenchmarking.orgMB/s, More Is BetterTinymembench 2018-05-28Standard Memcpylinode-dedicated-cpu3K6K9K12K15KSE +/- 12.03, N = 312088.131. (CC) gcc options: -O2 -lm

Tinymembench

Standard Memset

OpenBenchmarking.orgMB/s, More Is BetterTinymembench 2018-05-28Standard Memsetlinode-dedicated-cpu2K4K6K8K10KSE +/- 149.48, N = 311515.771. (CC) gcc options: -O2 -lm

MBW

Test: Memory Copy - Array Size: 1024 MiB

OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy - Array Size: 1024 MiBlinode-dedicated-cpu3K6K9K12K15KSE +/- 30.39, N = 311968.281. (CC) gcc options: -O3 -march=native

MBW

Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiB

OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy, Fixed Block Size - Array Size: 1024 MiBlinode-dedicated-cpu16003200480064008000SE +/- 69.32, N = 37487.431. (CC) gcc options: -O3 -march=native

CacheBench

Read Cache

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchRead Cachelinode-dedicated-cpu400800120016002000SE +/- 0.22, N = 31825.06MIN: 1797.43 / MAX: 1836.711. (CC) gcc options: -lrt

CacheBench

Write Cache

OpenBenchmarking.orgMB/s, More Is BetterCacheBenchWrite Cachelinode-dedicated-cpu4K8K12K16K20KSE +/- 4.14, N = 318053.80MIN: 13693.84 / MAX: 20036.261. (CC) gcc options: -lrt

Phoronix Test Suite v10.8.4