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 2407200-NE-FFTW120RU32
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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
OptNoSimplO3
July 19
  39 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

OptNoSimplO3

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: 2000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850, Graphics: ASPEED, Audio: Realtek ALC898, Monitor: ASUS VW190, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-474.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="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -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

fftw-1.2.0runProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkMonitorOSKernelDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutiondebugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO32 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 11.2ext41024x7682000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850ASUS VW1905.14.0-474.el9.x86_64 (x86_64)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: alwaysEnvironment Details- 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"- OptNoSimplO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"Compiler Details- Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686Processor Details- Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42eSecurity Details- 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 v2OptNoSimplO3Result OverviewPhoronix Test Suite100%106%113%119%FFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWFFTWStock - 2D FFT Size 4096Float + SSE - 2D FFT Size 32Float + 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 - 2D FFT Size 128Float + SSE - 1D FFT Size 64Float + SSE - 1D FFT Size 1024Float + SSE - 1D FFT Size 128Float + SSE - 2D FFT Size 256Stock - 2D FFT Size 2048Stock - 2D FFT Size 1024Stock - 2D FFT Size 512Float + SSE - 1D FFT Size 256Stock - 1D FFT Size 32Stock - 1D FFT Size 1024Stock - 2D FFT Size 256Stock - 2D FFT Size 32Float + SSE - 1D FFT Size 512Float + SSE - 1D FFT Size 4096Stock - 1D FFT Size 128Stock - 2D FFT Size 64Stock - 1D FFT Size 512Float + SSE - 2D FFT Size 512Stock - 2D FFT Size 128Stock - 1D FFT Size 64Float + SSE - 1D FFT Size 2048Stock - 1D FFT Size 2048Stock - 1D FFT Size 256Stock - 1D FFT Size 4096

fftw-1.2.0runfftw: Stock - 2D FFT Size 4096fftw: Float + SSE - 2D FFT Size 32fftw: Float + SSE - 2D FFT Size 4096fftw: Float + SSE - 2D FFT Size 64fftw: Float + SSE - 2D FFT Size 1024fftw: Float + SSE - 2D FFT Size 2048fftw: Float + SSE - 1D FFT Size 32fftw: Float + SSE - 2D FFT Size 128fftw: Float + SSE - 1D FFT Size 64fftw: Float + SSE - 1D FFT Size 1024fftw: Float + SSE - 1D FFT Size 128fftw: Float + SSE - 2D FFT Size 256fftw: Stock - 2D FFT Size 2048fftw: Stock - 2D FFT Size 1024fftw: Stock - 2D FFT Size 512fftw: Float + SSE - 1D FFT Size 256fftw: Stock - 1D FFT Size 32fftw: Stock - 1D FFT Size 1024fftw: Stock - 2D FFT Size 256fftw: Stock - 2D FFT Size 32fftw: Float + SSE - 1D FFT Size 512fftw: Float + SSE - 1D FFT Size 4096fftw: Stock - 1D FFT Size 128fftw: Stock - 2D FFT Size 64fftw: Stock - 1D FFT Size 512fftw: Float + SSE - 2D FFT Size 512fftw: Stock - 2D FFT Size 128fftw: Stock - 1D FFT Size 64fftw: Float + SSE - 1D FFT Size 2048fftw: Stock - 1D FFT Size 2048fftw: Stock - 1D FFT Size 256fftw: Stock - 1D FFT Size 4096debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO32751.4164406092.71498210890.76459.17287.0117299870.61626612702114142706.63123.13780.7136794998.54285.63660.65218.715552140914420.64309.24320.4118703855.84906.8155134055.64296.23914.82756.0165486717.915878123167027.07311.411743103501614113026113992723.73091.63773.3139894967.14282.93686.75211.515560141864414.64336.74344.4118033835.54907.7154614051.34308.33895.42738.9165266717.115952122217077.77347.411952104701605913206115112736.03107.23797.5140325020.84270.03693.35219.015471143534379.54289.84345.7117503861.64897.9154574055.04290.53912.12231.1134715603.713502119036728.26805.012188101311563512789110942662.03053.13679.2136515008.94233.73671.35127.915289142434358.84337.14340.1117143812.54846.9155434046.94309.23909.52239.3133945618.513636119066665.96925.712295102291551712740110872642.13048.53736.5138315024.64178.43634.95115.015270142594354.34336.64285.8117153848.04899.5155394046.44316.13907.02200.0134145634.213740119496731.16912.7125919964.41563012850111372664.33018.73751.1137954898.04198.13616.95144.615400143174364.24354.74314.4117783839.44899.9155514031.34312.83917.4OpenBenchmarking.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: Stock - Size: 2D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug6001200180024003000SE +/- 8.09, N = 3SE +/- 14.23, N = 3SE +/- 16.56, N = 3SE +/- 16.21, N = 3SE +/- 21.99, N = 15SE +/- 5.74, N = 32239.32756.02738.92231.12200.02751.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug4K8K12K16K20KSE +/- 107.35, N = 3SE +/- 136.41, N = 3SE +/- 139.56, N = 3SE +/- 131.37, N = 3SE +/- 102.53, N = 3SE +/- 98.77, N = 3133941654816526134711341416440

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug14002800420056007000SE +/- 8.82, N = 3SE +/- 13.11, N = 3SE +/- 21.46, N = 3SE +/- 4.28, N = 3SE +/- 7.27, N = 3SE +/- 262.37, N = 95618.56717.96717.15603.75634.26092.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 70.91, N = 3SE +/- 70.08, N = 3SE +/- 133.36, N = 3SE +/- 41.97, N = 3SE +/- 55.77, N = 3SE +/- 26.91, N = 3136361587815952135021374014982

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 40.01, N = 3SE +/- 81.04, N = 3SE +/- 76.28, N = 3SE +/- 124.86, N = 3SE +/- 58.86, N = 3SE +/- 644.68, N = 1211906.012316.012221.011903.011949.010890.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug15003000450060007500SE +/- 41.03, N = 3SE +/- 11.97, N = 3SE +/- 8.17, N = 3SE +/- 33.67, N = 3SE +/- 25.37, N = 3SE +/- 44.49, N = 36665.97027.07077.76728.26731.16459.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug16003200480064008000SE +/- 64.34, N = 15SE +/- 79.17, N = 3SE +/- 35.65, N = 3SE +/- 24.17, N = 3SE +/- 71.46, N = 15SE +/- 5.79, N = 36925.77311.47347.46805.06912.77287.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 82.96, N = 15SE +/- 95.52, N = 3SE +/- 92.80, N = 3SE +/- 113.85, N = 15SE +/- 50.90, N = 3SE +/- 84.15, N = 12122951174311952121881259111729

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug2K4K6K8K10KSE +/- 54.50, N = 3SE +/- 99.10, N = 3SE +/- 114.62, N = 3SE +/- 33.87, N = 3SE +/- 98.25, N = 3SE +/- 172.96, N = 1510229.010350.010470.010131.09964.49870.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 112.78, N = 3SE +/- 67.72, N = 3SE +/- 80.68, N = 3SE +/- 43.66, N = 3SE +/- 32.22, N = 3SE +/- 80.85, N = 3155171614116059156351563016266

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 136.77, N = 3SE +/- 160.95, N = 3SE +/- 33.80, N = 3SE +/- 84.00, N = 3SE +/- 80.49, N = 3SE +/- 136.03, N = 15127401302613206127891285012702

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug2K4K6K8K10KSE +/- 119.21, N = 3SE +/- 85.30, N = 3SE +/- 40.95, N = 3SE +/- 115.75, N = 3SE +/- 21.39, N = 3SE +/- 86.71, N = 3110871139911511110941113711414

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug6001200180024003000SE +/- 5.49, N = 3SE +/- 8.21, N = 3SE +/- 12.56, N = 3SE +/- 6.15, N = 3SE +/- 6.56, N = 3SE +/- 3.24, N = 32642.12723.72736.02662.02664.32706.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug7001400210028003500SE +/- 13.57, N = 3SE +/- 13.41, N = 3SE +/- 38.36, N = 3SE +/- 12.20, N = 3SE +/- 8.28, N = 3SE +/- 15.08, N = 33048.53091.63107.23053.13018.73123.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug8001600240032004000SE +/- 41.40, N = 5SE +/- 13.13, N = 3SE +/- 10.93, N = 3SE +/- 38.03, N = 5SE +/- 14.36, N = 3SE +/- 10.97, N = 33736.53773.33797.53679.23751.13780.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 67.57, N = 3SE +/- 30.75, N = 3SE +/- 28.45, N = 3SE +/- 68.09, N = 3SE +/- 58.29, N = 3SE +/- 98.34, N = 3138311398914032136511379513679

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug11002200330044005500SE +/- 4.74, N = 3SE +/- 8.35, N = 3SE +/- 23.10, N = 3SE +/- 17.04, N = 3SE +/- 95.20, N = 13SE +/- 29.89, N = 35024.64967.15020.85008.94898.04998.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug9001800270036004500SE +/- 59.35, N = 3SE +/- 2.87, N = 3SE +/- 19.30, N = 3SE +/- 8.01, N = 3SE +/- 25.83, N = 3SE +/- 5.54, N = 34178.44282.94270.04233.74198.14285.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug8001600240032004000SE +/- 23.89, N = 3SE +/- 13.35, N = 3SE +/- 7.11, N = 3SE +/- 17.09, N = 3SE +/- 37.88, N = 3SE +/- 23.34, N = 33634.93686.73693.33671.33616.93660.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug11002200330044005500SE +/- 6.03, N = 3SE +/- 12.52, N = 3SE +/- 6.35, N = 3SE +/- 43.81, N = 3SE +/- 41.81, N = 3SE +/- 7.51, N = 35115.05211.55219.05127.95144.65218.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 127.67, N = 3SE +/- 81.91, N = 3SE +/- 120.34, N = 3SE +/- 157.18, N = 3SE +/- 66.70, N = 3SE +/- 123.58, N = 3152701556015471152891540015552

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 82.03, N = 3SE +/- 80.21, N = 3SE +/- 135.86, N = 3SE +/- 19.46, N = 3SE +/- 55.79, N = 3SE +/- 193.73, N = 3142591418614353142431431714091

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug9001800270036004500SE +/- 3.10, N = 3SE +/- 2.46, N = 3SE +/- 35.10, N = 9SE +/- 1.43, N = 3SE +/- 2.94, N = 3SE +/- 6.43, N = 34354.34414.64379.54358.84364.24420.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug9001800270036004500SE +/- 5.04, N = 3SE +/- 4.40, N = 3SE +/- 46.52, N = 4SE +/- 4.58, N = 3SE +/- 7.74, N = 3SE +/- 21.54, N = 34336.64336.74289.84337.14354.74309.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug9001800270036004500SE +/- 22.16, N = 3SE +/- 12.50, N = 3SE +/- 15.04, N = 3SE +/- 2.84, N = 3SE +/- 11.47, N = 3SE +/- 16.10, N = 34285.84344.44345.74340.14314.44320.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 37.37, N = 3SE +/- 84.01, N = 3SE +/- 19.97, N = 3SE +/- 64.54, N = 3SE +/- 61.50, N = 3SE +/- 97.11, N = 3117151180311750117141177811870

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug8001600240032004000SE +/- 9.25, N = 3SE +/- 7.88, N = 3SE +/- 3.71, N = 3SE +/- 31.53, N = 3SE +/- 21.66, N = 3SE +/- 4.06, N = 33848.03835.53861.63812.53839.43855.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug11002200330044005500SE +/- 7.41, N = 3SE +/- 3.97, N = 3SE +/- 5.21, N = 3SE +/- 61.09, N = 3SE +/- 4.42, N = 3SE +/- 2.78, N = 34899.54907.74897.94846.94899.94906.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug3K6K9K12K15KSE +/- 107.49, N = 3SE +/- 75.96, N = 3SE +/- 78.24, N = 3SE +/- 24.95, N = 3SE +/- 15.63, N = 3SE +/- 41.31, N = 3155391546115457155431555115513

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug9001800270036004500SE +/- 11.79, N = 3SE +/- 6.84, N = 3SE +/- 8.12, N = 3SE +/- 18.65, N = 3SE +/- 6.58, N = 3SE +/- 6.96, N = 34046.44051.34055.04046.94031.34055.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug9001800270036004500SE +/- 27.37, N = 3SE +/- 1.57, N = 3SE +/- 15.53, N = 3SE +/- 1.60, N = 3SE +/- 24.49, N = 3SE +/- 1.72, N = 34316.14308.34290.54309.24312.84296.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3debug8001600240032004000SE +/- 8.30, N = 3SE +/- 8.63, N = 3SE +/- 13.90, N = 3SE +/- 1.10, N = 3SE +/- 13.95, N = 3SE +/- 17.36, N = 33907.03895.43912.13909.53917.43914.8

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 .

OptNoSimplO3

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: 2000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850, Graphics: ASPEED, Audio: Realtek ALC898, Monitor: ASUS VW190, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-474.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="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -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 19 July 2024 04:22 by user .