fftw-1.2.0run

2 x Intel Xeon E5-2620 v2 testing with a ASUS Z9PE-D8 WS (5503 BIOS) and ASPEED on CentOS Stream 9 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2407187-NE-FFTW120RU98
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debug
July 13
  1 Hour, 54 Minutes
NoGVNO2
July 14
  57 Minutes
NoGVNO3
July 15
  57 Minutes
OptNoSimplO2
July 16
  17 Minutes
2 x Intel Xeon E5-2620 v2
July 17
  17 Minutes
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  52 Minutes

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debug

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

NoGVNO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

NoGVNO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptNoSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

2 x Intel Xeon E5-2620 v2

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

fftw-1.2.0runOpenBenchmarking.orgPhoronix Test Suite2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads)ASUS Z9PE-D8 WS (5503 BIOS)Intel Xeon E7 v2/Xeon32GB256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00PASPEEDRealtek ALC8982 x Intel 82574LCentOS Stream 95.14.0-467.el9.x86_64 (x86_64)X ServerNVIDIAGCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2ext41024x768ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionFftw-1.2.0run BenchmarksSystem Logs- Transparent Huge Pages: always- debug: CXXFLAGS=-O2 CFLAGS=-O2- NoGVNO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" - NoGVNO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" - OptNoSimplO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" - 2 x Intel Xeon E5-2620 v2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" - Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686 - Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e- gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2Result OverviewPhoronix Test Suite100%106%112%118%FFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFloat + SSE - 2D FFT Size 32Stock - 2D FFT Size 4096Float + SSE - 2D FFT Size 4096Float + SSE - 2D FFT Size 64Float + SSE - 2D FFT Size 1024Float + SSE - 2D FFT Size 2048Float + SSE - 1D FFT Size 32Float + SSE - 1D FFT Size 64Float + SSE - 1D FFT Size 1024Float + SSE - 2D FFT Size 128Float + SSE - 1D FFT Size 128Float + SSE - 2D FFT Size 256Stock - 2D FFT Size 2048Stock - 2D FFT Size 512Float + SSE - 1D FFT Size 256Stock - 1D FFT Size 1024Stock - 2D FFT Size 1024Stock - 2D FFT Size 32Float + SSE - 1D FFT Size 512Float + SSE - 1D FFT Size 4096Stock - 2D FFT Size 256Stock - 1D FFT Size 128Stock - 1D FFT Size 512Float + SSE - 2D FFT Size 512Stock - 2D FFT Size 128Stock - 1D FFT Size 64Stock - 1D FFT Size 32Stock - 2D FFT Size 64Stock - 1D FFT Size 256Float + SSE - 1D FFT Size 2048Stock - 1D FFT Size 4096Stock - 1D FFT Size 2048

fftw-1.2.0runfftw: Float + SSE - 2D FFT Size 4096fftw: Stock - 2D FFT Size 4096fftw: Float + SSE - 2D FFT Size 2048fftw: Stock - 2D FFT Size 2048fftw: Float + SSE - 2D FFT Size 1024fftw: Stock - 2D FFT Size 1024fftw: Float + SSE - 2D FFT Size 128fftw: Float + SSE - 1D FFT Size 4096fftw: Float + SSE - 2D FFT Size 512fftw: Stock - 1D FFT Size 4096fftw: Float + SSE - 1D FFT Size 32fftw: Float + SSE - 1D FFT Size 2048fftw: Stock - 2D FFT Size 512fftw: Stock - 1D FFT Size 128fftw: Float + SSE - 1D FFT Size 64fftw: Float + SSE - 2D FFT Size 256fftw: Float + SSE - 1D FFT Size 128fftw: Stock - 1D FFT Size 2048fftw: Stock - 2D FFT Size 128fftw: Stock - 1D FFT Size 256fftw: Float + SSE - 1D FFT Size 1024fftw: Float + SSE - 2D FFT Size 64fftw: Stock - 1D FFT Size 1024fftw: Stock - 2D FFT Size 256fftw: Float + SSE - 1D FFT Size 512fftw: Stock - 2D FFT Size 64fftw: Float + SSE - 2D FFT Size 32fftw: Float + SSE - 1D FFT Size 256fftw: Stock - 1D FFT Size 32fftw: Stock - 1D FFT Size 512fftw: Stock - 1D FFT Size 64fftw: Stock - 2D FFT Size 32debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v26092.72751.46459.12706.610890.73123.11172914091118703914.87287.0155133780.74420.69870.611414127024055.63855.84296.216266149824285.63660.6155524309.216440136794998.54320.44906.85218.76717.92756.07027.02723.7123163091.61174314186118033895.47311.4154613773.34414.61035011399130264051.33835.54308.316141158784282.93686.7155604336.716548139894967.14344.44907.75211.56717.12738.97077.72736.0122213107.21195214353117503912.17347.4154573797.54379.51047011511132064055.03861.64290.516059159524270.03693.3154714289.816526140325020.84345.74897.95219.05603.72231.16728.22662.0119033053.11218814243117143909.56805.0155433679.24358.81013111094127894046.93812.54309.215635135024233.73671.3152894337.113471136515008.94340.14846.95127.95618.52239.36665.92642.1119063048.51229514259117153907.06925.7155393736.54354.31022911087127404046.43848.04316.115517136364178.43634.9152704336.613394138315024.64285.84899.55115.0OpenBenchmarking.org

FFTW

FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug14002800420056007000SE +/- 8.82, N = 3SE +/- 13.11, N = 3SE +/- 21.46, N = 3SE +/- 4.28, N = 3SE +/- 262.37, N = 95618.56717.96717.15603.76092.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug6001200180024003000SE +/- 8.09, N = 3SE +/- 14.23, N = 3SE +/- 16.56, N = 3SE +/- 16.21, N = 3SE +/- 5.74, N = 32239.32756.02738.92231.12751.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug15003000450060007500SE +/- 41.03, N = 3SE +/- 11.97, N = 3SE +/- 8.17, N = 3SE +/- 33.67, N = 3SE +/- 44.49, N = 36665.97027.07077.76728.26459.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug6001200180024003000SE +/- 5.49, N = 3SE +/- 8.21, N = 3SE +/- 12.56, N = 3SE +/- 6.15, N = 3SE +/- 3.24, N = 32642.12723.72736.02662.02706.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 40.01, N = 3SE +/- 81.04, N = 3SE +/- 76.28, N = 3SE +/- 124.86, N = 3SE +/- 644.68, N = 1211906.012316.012221.011903.010890.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug7001400210028003500SE +/- 13.57, N = 3SE +/- 13.41, N = 3SE +/- 38.36, N = 3SE +/- 12.20, N = 3SE +/- 15.08, N = 33048.53091.63107.23053.13123.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 82.96, N = 15SE +/- 95.52, N = 3SE +/- 92.80, N = 3SE +/- 113.85, N = 15SE +/- 84.15, N = 121229511743119521218811729

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 82.03, N = 3SE +/- 80.21, N = 3SE +/- 135.86, N = 3SE +/- 19.46, N = 3SE +/- 193.73, N = 31425914186143531424314091

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 37.37, N = 3SE +/- 84.01, N = 3SE +/- 19.97, N = 3SE +/- 64.54, N = 3SE +/- 97.11, N = 31171511803117501171411870

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug8001600240032004000SE +/- 8.30, N = 3SE +/- 8.63, N = 3SE +/- 13.90, N = 3SE +/- 1.10, N = 3SE +/- 17.36, N = 33907.03895.43912.13909.53914.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug16003200480064008000SE +/- 64.34, N = 15SE +/- 79.17, N = 3SE +/- 35.65, N = 3SE +/- 24.17, N = 3SE +/- 5.79, N = 36925.77311.47347.46805.07287.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 107.49, N = 3SE +/- 75.96, N = 3SE +/- 78.24, N = 3SE +/- 24.95, N = 3SE +/- 41.31, N = 31553915461154571554315513

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug8001600240032004000SE +/- 41.40, N = 5SE +/- 13.13, N = 3SE +/- 10.93, N = 3SE +/- 38.03, N = 5SE +/- 10.97, N = 33736.53773.33797.53679.23780.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug9001800270036004500SE +/- 3.10, N = 3SE +/- 2.46, N = 3SE +/- 35.10, N = 9SE +/- 1.43, N = 3SE +/- 6.43, N = 34354.34414.64379.54358.84420.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug2K4K6K8K10KSE +/- 54.50, N = 3SE +/- 99.10, N = 3SE +/- 114.62, N = 3SE +/- 33.87, N = 3SE +/- 172.96, N = 1510229.010350.010470.010131.09870.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug2K4K6K8K10KSE +/- 119.21, N = 3SE +/- 85.30, N = 3SE +/- 40.95, N = 3SE +/- 115.75, N = 3SE +/- 86.71, N = 31108711399115111109411414

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 136.77, N = 3SE +/- 160.95, N = 3SE +/- 33.80, N = 3SE +/- 84.00, N = 3SE +/- 136.03, N = 151274013026132061278912702

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug9001800270036004500SE +/- 11.79, N = 3SE +/- 6.84, N = 3SE +/- 8.12, N = 3SE +/- 18.65, N = 3SE +/- 6.96, N = 34046.44051.34055.04046.94055.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug8001600240032004000SE +/- 9.25, N = 3SE +/- 7.88, N = 3SE +/- 3.71, N = 3SE +/- 31.53, N = 3SE +/- 4.06, N = 33848.03835.53861.63812.53855.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug9001800270036004500SE +/- 27.37, N = 3SE +/- 1.57, N = 3SE +/- 15.53, N = 3SE +/- 1.60, N = 3SE +/- 1.72, N = 34316.14308.34290.54309.24296.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 112.78, N = 3SE +/- 67.72, N = 3SE +/- 80.68, N = 3SE +/- 43.66, N = 3SE +/- 80.85, N = 31551716141160591563516266

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 70.91, N = 3SE +/- 70.08, N = 3SE +/- 133.36, N = 3SE +/- 41.97, N = 3SE +/- 26.91, N = 31363615878159521350214982

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug9001800270036004500SE +/- 59.35, N = 3SE +/- 2.87, N = 3SE +/- 19.30, N = 3SE +/- 8.01, N = 3SE +/- 5.54, N = 34178.44282.94270.04233.74285.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug8001600240032004000SE +/- 23.89, N = 3SE +/- 13.35, N = 3SE +/- 7.11, N = 3SE +/- 17.09, N = 3SE +/- 23.34, N = 33634.93686.73693.33671.33660.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 127.67, N = 3SE +/- 81.91, N = 3SE +/- 120.34, N = 3SE +/- 157.18, N = 3SE +/- 123.58, N = 31527015560154711528915552

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug9001800270036004500SE +/- 5.04, N = 3SE +/- 4.40, N = 3SE +/- 46.52, N = 4SE +/- 4.58, N = 3SE +/- 21.54, N = 34336.64336.74289.84337.14309.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug4K8K12K16K20KSE +/- 107.35, N = 3SE +/- 136.41, N = 3SE +/- 139.56, N = 3SE +/- 131.37, N = 3SE +/- 98.77, N = 31339416548165261347116440

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug3K6K9K12K15KSE +/- 67.57, N = 3SE +/- 30.75, N = 3SE +/- 28.45, N = 3SE +/- 68.09, N = 3SE +/- 98.34, N = 31383113989140321365113679

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug11002200330044005500SE +/- 4.74, N = 3SE +/- 8.35, N = 3SE +/- 23.10, N = 3SE +/- 17.04, N = 3SE +/- 29.89, N = 35024.64967.15020.85008.94998.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug9001800270036004500SE +/- 22.16, N = 3SE +/- 12.50, N = 3SE +/- 15.04, N = 3SE +/- 2.84, N = 3SE +/- 16.10, N = 34285.84344.44345.74340.14320.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug11002200330044005500SE +/- 7.41, N = 3SE +/- 3.97, N = 3SE +/- 5.21, N = 3SE +/- 61.09, N = 3SE +/- 2.78, N = 34899.54907.74897.94846.94906.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2debug11002200330044005500SE +/- 6.03, N = 3SE +/- 12.52, N = 3SE +/- 6.35, N = 3SE +/- 43.81, N = 3SE +/- 7.51, N = 35115.05211.55219.05127.95218.7

debug

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 13 July 2024 17:47 by user .

NoGVNO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 14 July 2024 21:56 by user .

NoGVNO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 15 July 2024 15:34 by user .

OptNoSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 16 July 2024 13:54 by user .

2 x Intel Xeon E5-2620 v2

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 17 July 2024 03:06 by user .