io

KVM testing on Ubuntu 18.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/1901251-SK-IO497904845.

ioProcessorMotherboardChipsetMemoryDiskNetworkOSKernelCompilerFile-SystemSystem LayerUbuntu 18.04 LTSAmazon Elastic Block StoreIntel Xeon Platinum 8124M (4 Cores / 8 Threads)Amazon EC2 c5.2xlarge (1.0 BIOS)Intel 440FX 82441FX PMC16384MB9GB Amazon Elastic Block StoreAmazon ElasticUbuntu 18.044.15.0-1031-aws (x86_64)GCC 7.3.0ext4KVMOpenBenchmarking.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++ --enable-libmpx --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none --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 --with-tune=generic --without-cuda-driver -v Disk Details- NONE / data=ordered,discard,relatime,rwSecurity Details- KPTI + __user pointer sanitization + Full generic retpoline + PTE Inversion

ioaio-stress: Rand Writefio: Rand Write - Linux AIO - Yes - Yes - 64KB - Default Test DirectoryUbuntu 18.04 LTSAmazon Elastic Block Store19127702261OpenBenchmarking.org

AIO-Stress

Test: Random Write

OpenBenchmarking.orgMB/s, More Is BetterAIO-Stress 0.21Test: Random WriteUbuntu 18.04 LTSAmazon Elastic Block Store5001000150020002500SE +/- 1.57, N = 3SE +/- 6.08, N = 319122611. (CC) gcc options: -pthread -laio

Flexible IO Tester

Type: Random Write - IO Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 64KB - Disk Target: Default Test DirectoryUbuntu 18.04 LTS6001200180024003000SE +/- 3.48, N = 327701. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Flexible IO Tester

Type: Random Write - IO Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 64KB - Disk Target: Default Test Directory

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.1Type: Random Write - IO Engine: Linux AIO - Buffered: Yes - Direct: Yes - Block Size: 64KB - Disk Target: Default Test DirectoryUbuntu 18.04 LTS9K18K27K36K45KSE +/- 57.74, N = 3443001. (CC) gcc options: -rdynamic -std=gnu99 -ffast-math -include -O3 -U_FORTIFY_SOURCE -lnuma -libverbs -lrt -laio -lz -lm -lpthread -ldl

Phoronix Test Suite v10.8.4