POWER8 testing on Red Hat Enterprise Linux 8.3 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2105123-HA-2002181HU73.
ESI_P7_XeonProcessorMotherboardMemoryDiskNetworkChipsetGraphicsAudioMonitorOSKernelCompilerFile-SystemDesktopDisplay ServerScreen Resolution2020-02-18-2HPC11-HT-offHPC11-HT-onE880-42-allPOWER7 @ 3.81GHz (32 Cores)CHRP IBM 9117-MMD262144MB16 x 107GB 21452 x Emulex OneConnect 10Gb NICRed Hat Enterprise Linux 7.63.10.0-957.27.2.el7.ppc64 (ppc64)GCC 4.8.5 20150623xfs2 x Intel Xeon E5-2650 v2 @ 3.40GHz (16 Cores)Supermicro X9DRW v0123456789 (3.0a BIOS)Intel Xeon E7 v2/Xeon8 x 16384 MB DDR3-1600MT/s500GB Western Digital WD5003ABYX-0NVIDIA Quadro 2000NVIDIA GF106 HD Audio2 x Intel I350 + Mellanox MT27500Red Hat Enterprise Linux 8.14.18.0-147.5.1.el8_1.x86_64 (x86_64)GNOME Shell 3.32.2X ServerGCC 8.3.1 201905071024x7682 x Intel Xeon E5-2650 v2 @ 3.40GHz (16 Cores / 32 Threads)DELL E197FP1280x1024POWER8 @ 4.36GHz (128 Cores / 1024 Threads)CHRP IBM 9119-MHE3896GB4 x 284GB IPR-0 58D53E00 + 576 x 2199GB INF-01-00 + 32 x 670GB INF-01-00 + 16 x 9GB INF-01-008 x Emulex OneConnect NICRed Hat Enterprise Linux 8.34.18.0-240.22.1.el8_3.ppc64le (ppc64le)GCC 8.3.1 20191121OpenBenchmarking.orgCompiler Details- 2020-02-18-2: --build=ppc64-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-secureplt --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-cpu-32=power7 --with-cpu-64=power7 --with-linker-hash-style=gnu --with-long-double-128 --with-tune-32=power7 --with-tune-64=power7 - HPC11-HT-off: --build=x86_64-redhat-linux --disable-libmpx --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,lto --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver - HPC11-HT-on: --build=x86_64-redhat-linux --disable-libmpx --disable-libunwind-exceptions --enable-__cxa_atexit --enable-bootstrap --enable-cet --enable-checking=release --enable-gnu-indirect-function --enable-gnu-unique-object --enable-initfini-array --enable-languages=c,c++,fortran,lto --enable-multilib --enable-offload-targets=nvptx-none --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-arch_32=x86-64 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-tune=generic --without-cuda-driver - E880-42-all: --build=ppc64le-redhat-linux --disable-libmpx --disable-libunwind-exceptions --disable-multilib --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-offload-targets=nvptx-none --enable-plugin --enable-secureplt --enable-shared --enable-targets=powerpcle-linux --enable-threads=posix --mandir=/usr/share/man --with-cpu-32=power8 --with-cpu-64=power8 --with-gcc-major-version-only --with-isl --with-linker-hash-style=gnu --with-long-double-128 --with-tune-32=power8 --with-tune-64=power8 --without-cuda-driver Processor Details- 2020-02-18-2: SMT (threads per core): 4- HPC11-HT-off: Scaling Governor: intel_pstate performance - CPU Microcode: 0x42e- HPC11-HT-on: Scaling Governor: intel_pstate performance - CPU Microcode: 0x42e- E880-42-all: SMT (threads per core): 8Python Details- 2020-02-18-2: Python 2.7.5 + Python 3.6.8- HPC11-HT-off: + Python 3.6.8- HPC11-HT-on: + Python 3.6.8- E880-42-all: Python 3.6.8Security Details- 2020-02-18-2: l1tf: Not affected + mds: Not affected + meltdown: Mitigation of RFI Flush + spec_store_bypass: Mitigation of Kernel entry/exit barrier (fallback) + spectre_v1: Mitigation of __user pointer sanitization ori31 speculation barrier enabled + spectre_v2: Mitigation of Indirect branch cache disabled- HPC11-HT-off: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT disabled + mds: Mitigation of Clear buffers; SMT disabled + meltdown: Mitigation of PTI + 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 generic retpoline IBPB: conditional IBRS_FW RSB filling + tsx_async_abort: Not affected - HPC11-HT-on: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + 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 generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Not affected - E880-42-all: itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Mitigation of RFI Flush + spec_store_bypass: Mitigation of Kernel entry/exit barrier (hwsync) + spectre_v1: Mitigation of __user pointer sanitization ori31 speculation barrier enabled + spectre_v2: Mitigation of Indirect branch cache disabled Software link stack flush + srbds: Not affected + tsx_async_abort: Not affected Kernel Details- E880-42-all: Transparent Huge Pages: madvise
ESI_P7_Xeonparboil: OpenMP LBMDifferenceStandard ErrorStandard Deviation2020-02-18-2HPC11-HT-offHPC11-HT-onE880-42-all55.7380871.00x0.812.92%47.1828991.15x0.471.71%49.4822451.11x0.722.91%46.1579141.17x0.423.56%OpenBenchmarking.org
OpenBenchmarking.orgSeconds, Fewer Is BetterParboil 2.5Test: OpenMP LBM2020-02-18-2HPC11-HT-offHPC11-HT-onE880-42-all1326395265SE +/- 0.81, N = 4SE +/- 0.47, N = 3SE +/- 0.72, N = 4SE +/- 0.42, N = 1555.7447.1849.4846.161. (CXX) g++ options: -lm -lpthread -lgomp -O3 -ffast-math -fopenmp
Phoronix Test Suite v10.8.4