xen-coresched-rfc-xen-NUMA-PVguest

Xen Core Scheduling RFC, NUMA host

HTML result view exported from: https://openbenchmarking.org/result/1905162-DARI-190516368&grt.

xen-coresched-rfc-xen-NUMA-PVguestProcessorMemoryDiskGraphicsMotherboardChipsetOSKernelDesktopDisplay ServerCompilerFile-SystemScreen ResolutionSystem LayerDisplay DriverXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanillaIntel Xeon E5620 (1 Core / 16 Threads)8192MB99GBxenopenSUSE Tumbleweed 201904115.0.6-1-default (x86_64)GNOME Shell 3.30.2X ServerGCC 8.3.1 20190226 [gcc-8-branch revision 269204]ext4800x600Xen 4.13.-unstable HypervisorIntel Xeon E5620 (1 Core / 8 Threads)38GBX Server 1.20.4modesetting 1.20.4btrfsIntel Xeon E5620 (8 Cores)Xen HVM domU (4.13-unstable BIOS)Intel 440FX 82441FX PMC1 x 8184 MB RAMCirrus Logic GD 5446X Server1024x768Xen HVM domU 4.13-unstable8192MB99GBX Server 1.20.4modesetting 1.20.4ext41 x 8184 MB RAM38GBX ServerbtrfsOpenBenchmarking.orgEnvironment Details- Xen PV, SMT On, vanilla, Xen PV, SMT Off, vanilla: LIBGL_DEBUG=quietCompiler Details- --build=x86_64-suse-linux --disable-cet --disable-libcc1 --disable-libssp --disable-libstdcxx-pch --disable-libvtv --disable-werror --enable-checking=release --enable-gnu-indirect-function --enable-languages=c,c++,objc,fortran,obj-c++,ada,go --enable-libstdcxx-allocator=new --enable-linux-futex --enable-multilib --enable-offload-targets=hsa,nvptx-none=/usr/nvptx-none, --enable-plugin --enable-ssp --enable-version-specific-runtime-libs --host=x86_64-suse-linux --mandir=/usr/share/man --with-arch-32=x86-64 --with-gcc-major-version-only --with-slibdir=/lib64 --with-tune=generic --without-cuda-driver --without-system-libunwind Disk Details- Xen PV, SMT On, vanilla: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/home,subvolid=264- Xen PV, SMT Off, vanilla: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/home,subvolid=264- Xen PV, SMT Off, patched, sched-gran=thread: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/var,subvolid=258- Xen PV, SMT Off, patched, sched-gran=core: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/var,subvolid=258- Xen HVM, SMT On, patched, sched-gran=thread: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/var,subvolid=258- Xen HVM, SMT On, patched, sched-gran=core: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/home,subvolid=264- Xen HVM, SMT On, vanilla: MQ-DEADLINE / relatime,rw,space_cache,ssd,subvol=/@/var,subvolid=258Security Details- __user pointer sanitization + disabled + PTE Inversion

xen-coresched-rfc-xen-NUMA-PVguestcompress-7zip: Compress Speed Testaio-stress: Rand Writefio: Rand Read - Sync - No - Yes - 512KB - Default Test Directoryfio: Rand Write - Sync - No - Yes - 512KB - Default Test Directoryfio: Seq Read - Sync - No - Yes - 512KB - Default Test Directoryfio: Rand Read - POSIX AIO - No - Yes - 512KB - Default Test Directoryfio: Seq Write - Sync - No - Yes - 512KB - Default Test Directoryfio: Rand Write - POSIX AIO - No - Yes - 512KB - Default Test Directoryfio: Seq Read - POSIX AIO - No - Yes - 512KB - Default Test Directoryfio: Seq Write - POSIX AIO - No - Yes - 512KB - Default Test Directoryhackbench: 1 - Threadhackbench: 4 - Threadhackbench: 8 - Threadhackbench: 16 - Threadcompress-pbzip2: 256MB File Compressionsmallpt: Global Illumination Renderer; 128 Samplessqlite: Timed SQLite Insertionsstream: Copystream: Scalestream: Triadstream: Addstress-ng: Bsearchstress-ng: Forkingstress-ng: CPU Stressstress-ng: Vector Mathstress-ng: Socket Activitybuild-linux-kernel: Time To Compilebuild-mplayer: Time To Compilex264: H.264 Video Encodingx265: H.265 1080p Video Encodingcompress-zstd: Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19Xen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla25674105038.8757.8790.3739.4789.7359.9091.9090.3312.3167.371001778.3230.293782203716965190991919831228080187010558176418647.0931.7413.5933.4619153107738.7059.3789.6039.2388.7360.6091.4790.4017.1569.7213227710.9637.55402220261676318719189352323645113716939129422451.7024.2812.7839.2518244102638.7359.7396.1739.2794.5061.6797.8396.0717.1370.3214229612.6643.971040216981597918424184122147627612826512122423356.4424.2112.7041.351318021838.5060.0796.5039.2094.3761.3798.0096.7321.1590.3116730015.0059.629631953315604168001687815795115853528590733579.8016.588.0152.281962460038.2758.0796.7039.0394.9760.1097.5096.6718.5964.0599.7215612.7643.279701799914780170431588520951624512706502277419955.0424.7512.3538.0113046103438.6756.8090.2339.4789.5057.9392.1390.6726.3485.48119.4718415.2860.10405175181451915957157171598128838245275231230173.6217.207.9147.001917156438.8058.0796.6338.6095.0359.3097.9396.7717.8164.0496.5415212.6846.329751658914829163291516621801625313226477274719754.1524.5112.4836.72OpenBenchmarking.org

7-Zip Compression

Compress Speed Test

OpenBenchmarking.orgMIPS, More Is Better7-Zip Compression 16.02Compress Speed TestXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla5K10K15K20K25KSE +/- 15.01, N = 3SE +/- 19.22, N = 3SE +/- 230.12, N = 3SE +/- 194.37, N = 5SE +/- 381.50, N = 3SE +/- 50.00, N = 3SE +/- 319.96, N = 4256741915318244131801962413046191711. (CXX) g++ options: -pipe -lpthread

AIO-Stress

Test: Random Write

OpenBenchmarking.orgMB/s, More Is BetterAIO-Stress 0.21Test: Random WriteXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla2004006008001000SE +/- 10.61, N = 3SE +/- 15.82, N = 5SE +/- 18.60, N = 3SE +/- 80.79, N = 12SE +/- 135.19, N = 9SE +/- 14.63, N = 3SE +/- 122.65, N = 1210501077102621860010345641. (CC) gcc options: -pthread -laio

Flexible IO Tester

Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Random Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla918273645SE +/- 0.26, N = 3SE +/- 0.17, N = 3SE +/- 0.22, N = 3SE +/- 0.26, N = 3SE +/- 0.09, N = 3SE +/- 0.09, N = 3SE +/- 0.06, N = 338.8738.7038.7338.5038.2738.6738.80

Flexible IO Tester

Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Random Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla1326395265SE +/- 0.37, N = 3SE +/- 0.17, N = 3SE +/- 0.13, N = 3SE +/- 0.12, N = 3SE +/- 0.56, N = 3SE +/- 0.20, N = 3SE +/- 0.26, N = 357.8759.3759.7360.0758.0756.8058.07

Flexible IO Tester

Type: Sequential Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Sequential Read - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla20406080100SE +/- 0.29, N = 3SE +/- 0.25, N = 3SE +/- 0.12, N = 3SE +/- 0.35, N = 3SE +/- 0.72, N = 3SE +/- 0.38, N = 3SE +/- 0.13, N = 390.3789.6096.1796.5096.7090.2396.63

Flexible IO Tester

Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla918273645SE +/- 0.44, N = 3SE +/- 0.71, N = 3SE +/- 0.47, N = 3SE +/- 0.45, N = 3SE +/- 0.44, N = 3SE +/- 0.74, N = 3SE +/- 0.06, N = 339.4739.2339.2739.2039.0339.4738.60

Flexible IO Tester

Type: Sequential Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Sequential Write - IO Engine: Sync - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla20406080100SE +/- 0.09, N = 3SE +/- 0.20, N = 3SE +/- 0.36, N = 3SE +/- 0.78, N = 3SE +/- 0.37, N = 3SE +/- 0.35, N = 3SE +/- 0.20, N = 389.7388.7394.5094.3794.9789.5095.03

Flexible IO Tester

Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla1428425670SE +/- 0.50, N = 3SE +/- 0.52, N = 3SE +/- 0.43, N = 3SE +/- 0.37, N = 3SE +/- 0.85, N = 3SE +/- 0.03, N = 3SE +/- 0.60, N = 359.9060.6061.6761.3760.1057.9359.30

Flexible IO Tester

Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla20406080100SE +/- 0.17, N = 3SE +/- 0.13, N = 3SE +/- 0.23, N = 3SE +/- 0.35, N = 3SE +/- 0.40, N = 3SE +/- 0.22, N = 3SE +/- 0.35, N = 391.9091.4797.8398.0097.5092.1397.93

Flexible IO Tester

Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test Directory

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.13Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Direct: Yes - Block Size: 512KB - Disk Target: Default Test DirectoryXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla20406080100SE +/- 0.55, N = 3SE +/- 0.64, N = 3SE +/- 0.56, N = 3SE +/- 0.18, N = 3SE +/- 0.32, N = 3SE +/- 0.17, N = 3SE +/- 0.56, N = 390.3390.4096.0796.7396.6790.6796.77

Hackbench

Count: 1 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 1 - Type: ThreadXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla612182430SE +/- 0.03, N = 3SE +/- 0.11, N = 3SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 0.16, N = 3SE +/- 0.38, N = 3SE +/- 0.26, N = 312.3117.1517.1321.1518.5926.3417.811. (CC) gcc options: -lpthread

Hackbench

Count: 4 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 4 - Type: ThreadXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla20406080100SE +/- 2.88, N = 12SE +/- 0.48, N = 3SE +/- 0.50, N = 3SE +/- 0.51, N = 3SE +/- 0.11, N = 3SE +/- 1.13, N = 3SE +/- 0.70, N = 367.3769.7270.3290.3164.0585.4864.041. (CC) gcc options: -lpthread

Hackbench

Count: 8 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 8 - Type: ThreadXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla4080120160200SE +/- 0.27, N = 3SE +/- 0.74, N = 3SE +/- 0.37, N = 3SE +/- 0.61, N = 3SE +/- 0.60, N = 3SE +/- 1.46, N = 7SE +/- 1.64, N = 3100.00132.00142.00167.0099.72119.4796.541. (CC) gcc options: -lpthread

Hackbench

Count: 16 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 16 - Type: ThreadXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla70140210280350SE +/- 2.30, N = 3SE +/- 1.11, N = 3SE +/- 5.23, N = 9SE +/- 3.48, N = 3SE +/- 1.68, N = 3SE +/- 1.67, N = 3SE +/- 2.35, N = 41772772963001561841521. (CC) gcc options: -lpthread

Parallel BZIP2 Compression

256MB File Compression

OpenBenchmarking.orgSeconds, Fewer Is BetterParallel BZIP2 Compression 1.1.12256MB File CompressionXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla48121620SE +/- 0.34, N = 12SE +/- 0.44, N = 12SE +/- 0.44, N = 12SE +/- 0.37, N = 12SE +/- 0.43, N = 12SE +/- 0.45, N = 12SE +/- 0.47, N = 128.3210.9612.6615.0012.7615.2812.681. (CXX) g++ options: -O2 -pthread -lbz2 -lpthread

Smallpt

Global Illumination Renderer; 128 Samples

OpenBenchmarking.orgSeconds, Fewer Is BetterSmallpt 1.0Global Illumination Renderer; 128 SamplesXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla1326395265SE +/- 0.17, N = 3SE +/- 0.10, N = 3SE +/- 0.76, N = 3SE +/- 0.12, N = 3SE +/- 0.54, N = 12SE +/- 0.28, N = 3SE +/- 0.58, N = 330.2937.5543.9759.6243.2760.1046.321. (CXX) g++ options: -fopenmp -O3

SQLite

Timed SQLite Insertions

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite 3.22Timed SQLite InsertionsXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla2004006008001000SE +/- 5.17, N = 3SE +/- 12.03, N = 9SE +/- 7.11, N = 3SE +/- 6.16, N = 3SE +/- 11.34, N = 3SE +/- 6.11, N = 9SE +/- 14.30, N = 337840210409639704059751. (CC) gcc options: -O2 -lz -ldl -lpthread

Stream

Type: Copy

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: CopyXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla5K10K15K20K25KSE +/- 13.04, N = 5SE +/- 89.39, N = 5SE +/- 59.79, N = 5SE +/- 15.22, N = 5SE +/- 147.94, N = 5SE +/- 205.36, N = 8SE +/- 132.21, N = 5220372202621698195331799917518165891. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Scale

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: ScaleXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla4K8K12K16K20KSE +/- 21.13, N = 5SE +/- 17.13, N = 5SE +/- 48.22, N = 5SE +/- 18.12, N = 5SE +/- 349.79, N = 5SE +/- 188.78, N = 5SE +/- 300.64, N = 5169651676315979156041478014519148291. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Triad

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: TriadXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla4K8K12K16K20KSE +/- 7.76, N = 5SE +/- 20.82, N = 5SE +/- 46.66, N = 5SE +/- 26.19, N = 5SE +/- 144.31, N = 5SE +/- 17.44, N = 5SE +/- 74.49, N = 5190991871918424168001704315957163291. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Add

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: AddXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla4K8K12K16K20KSE +/- 7.62, N = 5SE +/- 20.15, N = 5SE +/- 53.48, N = 5SE +/- 25.03, N = 5SE +/- 103.72, N = 5SE +/- 189.71, N = 5SE +/- 25.15, N = 5191981893518412168781588515717151661. (CC) gcc options: -O3 -march=native -fopenmp

Stress-NG

Test: Bsearch

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: BsearchXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla7001400210028003500SE +/- 3.25, N = 3SE +/- 3.41, N = 3SE +/- 28.61, N = 3SE +/- 1.21, N = 3SE +/- 29.13, N = 3SE +/- 1.50, N = 3SE +/- 24.48, N = 331222323214715792095159821801. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Forking

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: ForkingXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla3K6K9K12K15KSE +/- 33.58, N = 3SE +/- 92.86, N = 3SE +/- 43.99, N = 3SE +/- 22.78, N = 3SE +/- 131.45, N = 3SE +/- 49.04, N = 3SE +/- 98.18, N = 380806451627651151624512883162531. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: CPU Stress

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: CPU StressXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla400800120016002000SE +/- 5.75, N = 3SE +/- 4.29, N = 3SE +/- 14.87, N = 12SE +/- 11.74, N = 12SE +/- 19.20, N = 4SE +/- 5.29, N = 3SE +/- 15.80, N = 3187013711282853127082413221. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Vector Math

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Vector MathXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla2K4K6K8K10KSE +/- 1.88, N = 3SE +/- 4.13, N = 3SE +/- 87.74, N = 6SE +/- 2.90, N = 3SE +/- 86.20, N = 3SE +/- 2.69, N = 3SE +/- 75.05, N = 3105586939651252856502527564771. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Stress-NG

Test: Socket Activity

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.07.26Test: Socket ActivityXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla6001200180024003000SE +/- 18.38, N = 11SE +/- 11.63, N = 3SE +/- 17.84, N = 3SE +/- 12.76, N = 3SE +/- 12.55, N = 3SE +/- 36.97, N = 3SE +/- 36.52, N = 121764129412249072774231227471. (CC) gcc options: -O2 -std=gnu99 -lm -lz -lcrypt -lrt -lpthread -laio -lc

Timed Linux Kernel Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed Linux Kernel Compilation 4.18Time To CompileXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla70140210280350SE +/- 2.60, N = 3SE +/- 2.01, N = 3SE +/- 2.15, N = 3SE +/- 2.12, N = 3SE +/- 1.58, N = 3SE +/- 1.45, N = 3SE +/- 1.74, N = 3186224233335199301197

Timed MPlayer Compilation

Time To Compile

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MPlayer Compilation 1.0-rc3Time To CompileXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla20406080100SE +/- 0.66, N = 5SE +/- 0.91, N = 3SE +/- 0.64, N = 12SE +/- 1.23, N = 3SE +/- 0.50, N = 3SE +/- 0.94, N = 3SE +/- 0.66, N = 747.0951.7056.4479.8055.0473.6254.15

x264

H.264 Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2018-09-25H.264 Video EncodingXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla714212835SE +/- 1.20, N = 10SE +/- 0.38, N = 12SE +/- 0.44, N = 3SE +/- 0.18, N = 3SE +/- 0.40, N = 4SE +/- 0.19, N = 10SE +/- 0.45, N = 331.7424.2824.2116.5824.7517.2024.511. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize

x265

H.265 1080p Video Encoding

OpenBenchmarking.orgFrames Per Second, More Is Betterx265 3.0H.265 1080p Video EncodingXen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla3691215SE +/- 0.12, N = 3SE +/- 0.07, N = 3SE +/- 0.14, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 313.5912.7812.708.0112.357.9112.481. (CXX) g++ options: -O3 -rdynamic -lpthread -lrt -ldl

Zstd Compression

Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19

OpenBenchmarking.orgSeconds, Fewer Is BetterZstd Compression 1.3.4Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19Xen PV, SMT On, vanillaXen PV, SMT Off, vanillaXen PV, SMT Off, patched, sched-gran=threadXen PV, SMT Off, patched, sched-gran=coreXen HVM, SMT On, patched, sched-gran=threadXen HVM, SMT On, patched, sched-gran=coreXen HVM, SMT On, vanilla1224364860SE +/- 0.39, N = 12SE +/- 0.24, N = 3SE +/- 0.49, N = 12SE +/- 0.42, N = 3SE +/- 0.42, N = 12SE +/- 0.89, N = 3SE +/- 0.53, N = 533.4639.2541.3552.2838.0147.0036.721. (CC) gcc options: -O3 -pthread -lz

Phoronix Test Suite v10.8.4