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 2407299-NE-FFTW120RU50
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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
OptSimplO2
July 21
  59 Minutes
OptSimplO3
July 22
  58 Minutes
OptRedO2
July 27
  57 Minutes
OptRedO3
July 28
  58 Minutes
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  53 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

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

OptSimplO2

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=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=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

OptSimplO3

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=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=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

OptRedO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=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

OptRedO3

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=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=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 v2OptNoSimplO3OptSimplO2OptSimplO3OptRedO2OptRedO32 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"- OptSimplO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true"- OptSimplO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true"- OptRedO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false"- OptRedO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=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 v2OptNoSimplO3OptSimplO2OptSimplO3OptRedO2OptRedO3Result OverviewPhoronix Test Suite100%107%113%120%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 - 2D FFT Size 128Float + SSE - 1D FFT Size 32Float + SSE - 1D FFT Size 64Float + SSE - 1D FFT Size 256Float + SSE - 1D FFT Size 1024Stock - 2D FFT Size 1024Float + SSE - 1D FFT Size 128Float + SSE - 2D FFT Size 256Stock - 2D FFT Size 2048Stock - 2D FFT Size 512Stock - 1D FFT Size 32Stock - 1D FFT Size 1024Float + SSE - 1D FFT Size 4096Stock - 2D FFT Size 256Stock - 2D FFT Size 32Float + SSE - 1D FFT Size 512Stock - 1D FFT Size 256Stock - 1D FFT Size 512Stock - 1D FFT Size 128Stock - 2D FFT Size 64Float + SSE - 2D FFT Size 512Stock - 1D FFT Size 64Stock - 2D FFT Size 128Float + 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 - 1D FFT Size 32fftw: Float + SSE - 1D FFT Size 4096fftw: Float + SSE - 2D FFT Size 128fftw: Stock - 2D FFT Size 512fftw: Float + SSE - 2D FFT Size 512fftw: Stock - 1D FFT Size 4096fftw: Float + SSE - 1D FFT Size 2048fftw: Float + SSE - 2D FFT Size 64fftw: Float + SSE - 2D FFT Size 256fftw: Stock - 1D FFT Size 2048fftw: Stock - 2D FFT Size 128fftw: Stock - 1D FFT Size 128fftw: Stock - 1D FFT Size 256fftw: Float + SSE - 1D FFT Size 1024fftw: Float + SSE - 1D FFT Size 64fftw: Float + SSE - 1D FFT Size 128fftw: Stock - 1D FFT Size 32fftw: Stock - 2D FFT Size 256fftw: Stock - 1D FFT Size 1024fftw: Float + SSE - 1D FFT Size 512fftw: Stock - 2D FFT Size 64fftw: Float + SSE - 1D FFT Size 256fftw: Float + SSE - 2D FFT Size 32fftw: Stock - 1D FFT Size 512fftw: Stock - 1D FFT Size 64fftw: Stock - 2D FFT Size 32debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3OptSimplO2OptSimplO3OptRedO2OptRedO36092.72751.46459.12706.610890.73123.17287.014091117293780.7118703914.81551314982114144055.63855.84420.64296.2162669870.6127024998.53660.64285.6155524309.213679164404320.44906.85218.76717.92756.07027.02723.7123163091.67311.414186117433773.3118033895.41546115878113994051.33835.54414.64308.31614110350130264967.13686.74282.9155604336.713989165484344.44907.75211.56717.12738.97077.72736.0122213107.27347.414353119523797.5117503912.11545715952115114055.03861.64379.54290.51605910470132065020.83693.34270.0154714289.814032165264345.74897.95219.05603.72231.16728.22662.0119033053.16805.014243121883679.2117143909.51554313502110944046.93812.54358.84309.21563510131127895008.93671.34233.7152894337.113651134714340.14846.95127.95618.52239.36665.92642.1119063048.56925.714259122953736.5117153907.01553913636110874046.43848.04354.34316.11551710229127405024.63634.94178.4152704336.613831133944285.84899.55115.05634.22200.06731.12664.3119493018.76912.714317125913751.1117783917.41555113740111374031.33839.44364.24312.8156309964.4128504898.03616.94198.1154004354.713795134144314.44899.95144.66694.62757.97024.02726.6123373110.37116.014337115783748.4117803911.51552615782114404030.63836.54408.44275.61596210256132454962.73642.84276.0154144318.614455164444334.24911.45217.96707.92758.97072.12725.0121823083.87041.314185119343759.4118583919.31563115981113784039.53836.44417.14247.71603710321130584963.83673.04286.3155744326.313983163734346.84905.75213.46697.32773.97021.62728.1122023123.47252.414234116093780.6118363923.91556815989113564048.33831.94415.54288.11609910354130724957.93622.24280.9152944320.814125166684340.04892.05189.36718.82767.17059.02707.2122983149.17194.914430119433784.4117093921.71553815845113374037.23821.54415.34329.51616910397130004990.13655.84252.9154044337.313997165194367.84899.15220.5OpenBenchmarking.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 4096OptRedO3NoGVNO2NoGVNO3OptSimplO3OptRedO2OptSimplO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO214002800420056007000SE +/- 15.62, N = 3SE +/- 13.11, N = 3SE +/- 21.46, N = 3SE +/- 11.45, N = 3SE +/- 4.50, N = 3SE +/- 9.08, N = 3SE +/- 262.37, N = 9SE +/- 7.27, N = 3SE +/- 8.82, N = 3SE +/- 4.28, N = 36718.86717.96717.16707.96697.36694.66092.75634.25618.55603.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 4096OptRedO2OptRedO3OptSimplO3OptSimplO2NoGVNO2debugNoGVNO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO36001200180024003000SE +/- 15.05, N = 3SE +/- 13.13, N = 3SE +/- 5.14, N = 3SE +/- 8.89, N = 3SE +/- 14.23, N = 3SE +/- 5.74, N = 3SE +/- 16.56, N = 3SE +/- 8.09, N = 3SE +/- 16.21, N = 3SE +/- 21.99, N = 152773.92767.12758.92757.92756.02751.42738.92239.32231.12200.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2048NoGVNO3OptSimplO3OptRedO3NoGVNO2OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debug15003000450060007500SE +/- 8.17, N = 3SE +/- 14.30, N = 3SE +/- 28.87, N = 3SE +/- 11.97, N = 3SE +/- 15.79, N = 3SE +/- 19.13, N = 3SE +/- 25.37, N = 3SE +/- 33.67, N = 3SE +/- 41.03, N = 3SE +/- 44.49, N = 37077.77072.17059.07027.07024.07021.66731.16728.26665.96459.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 2048NoGVNO3OptRedO2OptSimplO2OptSimplO3NoGVNO2OptRedO3debugOptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v26001200180024003000SE +/- 12.56, N = 3SE +/- 16.99, N = 3SE +/- 17.93, N = 3SE +/- 16.84, N = 3SE +/- 8.21, N = 3SE +/- 12.30, N = 3SE +/- 3.24, N = 3SE +/- 6.56, N = 3SE +/- 6.15, N = 3SE +/- 5.49, N = 32736.02728.12726.62725.02723.72707.22706.62664.32662.02642.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1024OptSimplO2NoGVNO2OptRedO3NoGVNO3OptRedO2OptSimplO3OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2debug3K6K9K12K15KSE +/- 48.60, N = 3SE +/- 81.04, N = 3SE +/- 15.68, N = 3SE +/- 76.28, N = 3SE +/- 76.29, N = 3SE +/- 70.39, N = 3SE +/- 58.86, N = 3SE +/- 40.01, N = 3SE +/- 124.86, N = 3SE +/- 644.68, N = 1212337.012316.012298.012221.012202.012182.011949.011906.011903.010890.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1024OptRedO3OptRedO2debugOptSimplO2NoGVNO3NoGVNO2OptSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO37001400210028003500SE +/- 9.39, N = 3SE +/- 14.89, N = 3SE +/- 15.08, N = 3SE +/- 26.70, N = 3SE +/- 38.36, N = 3SE +/- 13.41, N = 3SE +/- 10.08, N = 3SE +/- 12.20, N = 3SE +/- 13.57, N = 3SE +/- 8.28, N = 33149.13123.43123.13110.33107.23091.63083.83053.13048.53018.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 32NoGVNO3NoGVNO2debugOptRedO2OptRedO3OptSimplO2OptSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO216003200480064008000SE +/- 35.65, N = 3SE +/- 79.17, N = 3SE +/- 5.79, N = 3SE +/- 76.45, N = 5SE +/- 57.27, N = 15SE +/- 52.52, N = 15SE +/- 90.54, N = 15SE +/- 64.34, N = 15SE +/- 71.46, N = 15SE +/- 24.17, N = 37347.47311.47287.07252.47194.97116.07041.36925.76912.76805.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 4096OptRedO3NoGVNO3OptSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptRedO2NoGVNO2OptSimplO3debug3K6K9K12K15KSE +/- 94.63, N = 3SE +/- 135.86, N = 3SE +/- 123.09, N = 3SE +/- 55.79, N = 3SE +/- 82.03, N = 3SE +/- 19.46, N = 3SE +/- 62.13, N = 3SE +/- 80.21, N = 3SE +/- 94.10, N = 3SE +/- 193.73, N = 314430143531433714317142591424314234141861418514091

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 128OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2NoGVNO3OptRedO3OptSimplO3NoGVNO2debugOptRedO2OptSimplO23K6K9K12K15KSE +/- 50.90, N = 3SE +/- 82.96, N = 15SE +/- 113.85, N = 15SE +/- 92.80, N = 3SE +/- 104.94, N = 8SE +/- 47.40, N = 3SE +/- 95.52, N = 3SE +/- 84.15, N = 12SE +/- 48.56, N = 3SE +/- 111.70, N = 312591122951218811952119431193411743117291160911578

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 512NoGVNO3OptRedO3debugOptRedO2NoGVNO2OptSimplO3OptNoSimplO3OptSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO28001600240032004000SE +/- 10.93, N = 3SE +/- 7.10, N = 3SE +/- 10.97, N = 3SE +/- 6.77, N = 3SE +/- 13.13, N = 3SE +/- 9.69, N = 3SE +/- 14.36, N = 3SE +/- 34.42, N = 12SE +/- 41.40, N = 5SE +/- 38.03, N = 53797.53784.43780.73780.63773.33759.43751.13748.43736.53679.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 512debugOptSimplO3OptRedO2NoGVNO2OptSimplO2OptNoSimplO3NoGVNO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptRedO33K6K9K12K15KSE +/- 97.11, N = 3SE +/- 36.67, N = 3SE +/- 93.72, N = 3SE +/- 84.01, N = 3SE +/- 128.25, N = 3SE +/- 61.50, N = 3SE +/- 19.97, N = 3SE +/- 37.37, N = 3SE +/- 64.54, N = 3SE +/- 39.68, N = 311870118581183611803117801177811750117151171411709

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 4096OptRedO2OptRedO3OptSimplO3OptNoSimplO3debugNoGVNO3OptSimplO2OptNoSimplO22 x Intel Xeon E5-2620 v2NoGVNO28001600240032004000SE +/- 4.75, N = 3SE +/- 5.34, N = 3SE +/- 15.54, N = 3SE +/- 13.95, N = 3SE +/- 17.36, N = 3SE +/- 13.90, N = 3SE +/- 7.30, N = 3SE +/- 1.10, N = 3SE +/- 8.30, N = 3SE +/- 8.63, N = 33923.93921.73919.33917.43914.83912.13911.53909.53907.03895.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2048OptSimplO3OptRedO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptRedO3OptSimplO2debugNoGVNO2NoGVNO33K6K9K12K15KSE +/- 27.28, N = 3SE +/- 58.95, N = 3SE +/- 15.63, N = 3SE +/- 24.95, N = 3SE +/- 107.49, N = 3SE +/- 33.86, N = 3SE +/- 37.49, N = 3SE +/- 41.31, N = 3SE +/- 75.96, N = 3SE +/- 78.24, N = 315631155681555115543155391553815526155131546115457

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 64OptRedO2OptSimplO3NoGVNO3NoGVNO2OptRedO3OptSimplO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO23K6K9K12K15KSE +/- 23.46, N = 3SE +/- 82.53, N = 3SE +/- 133.36, N = 3SE +/- 70.08, N = 3SE +/- 86.00, N = 3SE +/- 136.22, N = 15SE +/- 26.91, N = 3SE +/- 55.77, N = 3SE +/- 70.91, N = 3SE +/- 41.97, N = 315989159811595215878158451578214982137401363613502

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 256NoGVNO3OptSimplO2debugNoGVNO2OptSimplO3OptRedO2OptRedO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v22K4K6K8K10KSE +/- 40.95, N = 3SE +/- 35.14, N = 3SE +/- 86.71, N = 3SE +/- 85.30, N = 3SE +/- 91.42, N = 3SE +/- 108.39, N = 3SE +/- 140.84, N = 3SE +/- 21.39, N = 3SE +/- 115.75, N = 3SE +/- 119.21, N = 311511114401141411399113781135611337111371109411087

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2048debugNoGVNO3NoGVNO2OptRedO2OptNoSimplO22 x Intel Xeon E5-2620 v2OptSimplO3OptRedO3OptNoSimplO3OptSimplO29001800270036004500SE +/- 6.96, N = 3SE +/- 8.12, N = 3SE +/- 6.84, N = 3SE +/- 14.17, N = 3SE +/- 18.65, N = 3SE +/- 11.79, N = 3SE +/- 7.07, N = 3SE +/- 22.16, N = 3SE +/- 6.58, N = 3SE +/- 14.04, N = 34055.64055.04051.34048.34046.94046.44039.54037.24031.34030.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 128NoGVNO3debug2 x Intel Xeon E5-2620 v2OptNoSimplO3OptSimplO2OptSimplO3NoGVNO2OptRedO2OptRedO3OptNoSimplO28001600240032004000SE +/- 3.71, N = 3SE +/- 4.06, N = 3SE +/- 9.25, N = 3SE +/- 21.66, N = 3SE +/- 18.17, N = 3SE +/- 4.22, N = 3SE +/- 7.88, N = 3SE +/- 14.94, N = 3SE +/- 28.74, N = 3SE +/- 31.53, N = 33861.63855.83848.03839.43836.53836.43835.53831.93821.53812.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 128debugOptSimplO3OptRedO2OptRedO3NoGVNO2OptSimplO2NoGVNO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v29001800270036004500SE +/- 6.43, N = 3SE +/- 2.14, N = 3SE +/- 4.33, N = 3SE +/- 2.25, N = 3SE +/- 2.46, N = 3SE +/- 2.45, N = 3SE +/- 35.10, N = 9SE +/- 2.94, N = 3SE +/- 1.43, N = 3SE +/- 3.10, N = 34420.64417.14415.54415.34414.64408.44379.54364.24358.84354.3

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 256OptRedO32 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO2NoGVNO2debugNoGVNO3OptRedO2OptSimplO2OptSimplO39001800270036004500SE +/- 17.30, N = 3SE +/- 27.37, N = 3SE +/- 24.49, N = 3SE +/- 1.60, N = 3SE +/- 1.57, N = 3SE +/- 1.72, N = 3SE +/- 15.53, N = 3SE +/- 22.07, N = 3SE +/- 8.48, N = 3SE +/- 53.04, N = 34329.54316.14312.84309.24308.34296.24290.54288.14275.64247.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1024debugOptRedO3NoGVNO2OptRedO2NoGVNO3OptSimplO3OptSimplO2OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v23K6K9K12K15KSE +/- 80.85, N = 3SE +/- 94.45, N = 3SE +/- 67.72, N = 3SE +/- 85.56, N = 3SE +/- 80.68, N = 3SE +/- 141.62, N = 3SE +/- 73.63, N = 3SE +/- 43.66, N = 3SE +/- 32.22, N = 3SE +/- 112.78, N = 316266161691614116099160591603715962156351563015517

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 64NoGVNO3OptRedO3OptRedO2NoGVNO2OptSimplO3OptSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3debug2K4K6K8K10KSE +/- 114.62, N = 3SE +/- 18.11, N = 3SE +/- 18.19, N = 3SE +/- 99.10, N = 3SE +/- 15.38, N = 3SE +/- 141.95, N = 3SE +/- 54.50, N = 3SE +/- 33.87, N = 3SE +/- 98.25, N = 3SE +/- 172.96, N = 1510470.010397.010354.010350.010321.010256.010229.010131.09964.49870.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 128OptSimplO2NoGVNO3OptRedO2OptSimplO3NoGVNO2OptRedO3OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2debug3K6K9K12K15KSE +/- 45.94, N = 3SE +/- 33.80, N = 3SE +/- 133.00, N = 3SE +/- 130.44, N = 3SE +/- 160.95, N = 3SE +/- 67.87, N = 3SE +/- 80.49, N = 3SE +/- 84.00, N = 3SE +/- 136.77, N = 3SE +/- 136.03, N = 1513245132061307213058130261300012850127891274012702

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO3OptNoSimplO2debugOptRedO3NoGVNO2OptSimplO3OptSimplO2OptRedO2OptNoSimplO311002200330044005500SE +/- 4.74, N = 3SE +/- 23.10, N = 3SE +/- 17.04, N = 3SE +/- 29.89, N = 3SE +/- 13.97, N = 3SE +/- 8.35, N = 3SE +/- 39.97, N = 3SE +/- 25.51, N = 3SE +/- 31.02, N = 3SE +/- 95.20, N = 135024.65020.85008.94998.54990.14967.14963.84962.74957.94898.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 256NoGVNO3NoGVNO2OptSimplO3OptNoSimplO2debugOptRedO3OptSimplO22 x Intel Xeon E5-2620 v2OptRedO2OptNoSimplO38001600240032004000SE +/- 7.11, N = 3SE +/- 13.35, N = 3SE +/- 34.82, N = 3SE +/- 17.09, N = 3SE +/- 23.34, N = 3SE +/- 33.79, N = 3SE +/- 34.93, N = 3SE +/- 23.89, N = 3SE +/- 16.18, N = 3SE +/- 37.88, N = 33693.33686.73673.03671.33660.63655.83642.83634.93622.23616.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1024OptSimplO3debugNoGVNO2OptRedO2OptSimplO2NoGVNO3OptRedO3OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v29001800270036004500SE +/- 4.50, N = 3SE +/- 5.54, N = 3SE +/- 2.87, N = 3SE +/- 4.77, N = 3SE +/- 11.99, N = 3SE +/- 19.30, N = 3SE +/- 32.58, N = 3SE +/- 8.01, N = 3SE +/- 25.83, N = 3SE +/- 59.35, N = 34286.34285.64282.94280.94276.04270.04252.94233.74198.14178.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 512OptSimplO3NoGVNO2debugNoGVNO3OptSimplO2OptRedO3OptNoSimplO3OptRedO2OptNoSimplO22 x Intel Xeon E5-2620 v23K6K9K12K15KSE +/- 63.39, N = 3SE +/- 81.91, N = 3SE +/- 123.58, N = 3SE +/- 120.34, N = 3SE +/- 60.73, N = 3SE +/- 104.45, N = 3SE +/- 66.70, N = 3SE +/- 195.78, N = 3SE +/- 157.18, N = 3SE +/- 127.67, N = 315574155601555215471154141540415400152941528915270

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 64OptNoSimplO3OptRedO3OptNoSimplO2NoGVNO22 x Intel Xeon E5-2620 v2OptSimplO3OptRedO2OptSimplO2debugNoGVNO39001800270036004500SE +/- 7.74, N = 3SE +/- 18.00, N = 3SE +/- 4.58, N = 3SE +/- 4.40, N = 3SE +/- 5.04, N = 3SE +/- 21.71, N = 3SE +/- 22.79, N = 3SE +/- 4.27, N = 3SE +/- 21.54, N = 3SE +/- 46.52, N = 44354.74337.34337.14336.74336.64326.34320.84318.64309.24289.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 256OptSimplO2OptRedO2NoGVNO3OptRedO3NoGVNO2OptSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO3debugOptNoSimplO23K6K9K12K15KSE +/- 115.02, N = 3SE +/- 145.93, N = 4SE +/- 28.45, N = 3SE +/- 165.24, N = 3SE +/- 30.75, N = 3SE +/- 36.46, N = 3SE +/- 67.57, N = 3SE +/- 58.29, N = 3SE +/- 98.34, N = 3SE +/- 68.09, N = 314455141251403213997139891398313831137951367913651

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 32OptRedO2NoGVNO2NoGVNO3OptRedO3OptSimplO2debugOptSimplO3OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v24K8K12K16K20KSE +/- 42.15, N = 3SE +/- 136.41, N = 3SE +/- 139.56, N = 3SE +/- 23.39, N = 3SE +/- 64.02, N = 3SE +/- 98.77, N = 3SE +/- 92.64, N = 3SE +/- 131.37, N = 3SE +/- 102.53, N = 3SE +/- 107.35, N = 316668165481652616519164441644016373134711341413394

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 512OptRedO3OptSimplO3NoGVNO3NoGVNO2OptNoSimplO2OptRedO2OptSimplO2debugOptNoSimplO32 x Intel Xeon E5-2620 v29001800270036004500SE +/- 10.85, N = 3SE +/- 4.56, N = 3SE +/- 15.04, N = 3SE +/- 12.50, N = 3SE +/- 2.84, N = 3SE +/- 3.08, N = 3SE +/- 27.65, N = 3SE +/- 16.10, N = 3SE +/- 11.47, N = 3SE +/- 22.16, N = 34367.84346.84345.74344.44340.14340.04334.24320.44314.44285.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 64OptSimplO2NoGVNO2debugOptSimplO3OptNoSimplO32 x Intel Xeon E5-2620 v2OptRedO3NoGVNO3OptRedO2OptNoSimplO211002200330044005500SE +/- 6.01, N = 3SE +/- 3.97, N = 3SE +/- 2.78, N = 3SE +/- 3.52, N = 3SE +/- 4.42, N = 3SE +/- 7.41, N = 3SE +/- 8.65, N = 3SE +/- 5.21, N = 3SE +/- 7.40, N = 3SE +/- 61.09, N = 34911.44907.74906.84905.74899.94899.54899.14897.94892.04846.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 32OptRedO3NoGVNO3debugOptSimplO2OptSimplO3NoGVNO2OptRedO2OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v211002200330044005500SE +/- 11.16, N = 3SE +/- 6.35, N = 3SE +/- 7.51, N = 3SE +/- 6.97, N = 3SE +/- 12.54, N = 3SE +/- 12.52, N = 3SE +/- 32.60, N = 3SE +/- 41.81, N = 3SE +/- 43.81, N = 3SE +/- 6.03, N = 35220.55219.05218.75217.95213.45211.55189.35144.65127.95115.0

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

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 .

OptSimplO2

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=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=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 21 July 2024 17:09 by user .

OptSimplO3

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=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=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 22 July 2024 14:28 by user .

OptRedO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=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 27 July 2024 14:28 by user .

OptRedO3

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=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=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 28 July 2024 15:15 by user .