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: Stock - 1D FFT Size 32fftw: Stock - 1D FFT Size 64fftw: Stock - 2D FFT Size 32fftw: Stock - 2D FFT Size 64fftw: Stock - 1D FFT Size 128fftw: Stock - 1D FFT Size 256fftw: Stock - 1D FFT Size 512fftw: Stock - 2D FFT Size 128fftw: Stock - 2D FFT Size 256fftw: Stock - 2D FFT Size 512fftw: Stock - 1D FFT Size 1024fftw: Stock - 1D FFT Size 2048fftw: Stock - 1D FFT Size 4096fftw: Stock - 2D FFT Size 1024fftw: Stock - 2D FFT Size 2048fftw: Stock - 2D FFT Size 4096fftw: Float + SSE - 1D FFT Size 32fftw: Float + SSE - 1D FFT Size 64fftw: Float + SSE - 2D FFT Size 32fftw: Float + SSE - 2D FFT Size 64fftw: Float + SSE - 1D FFT Size 128fftw: Float + SSE - 1D FFT Size 256fftw: Float + SSE - 1D FFT Size 512fftw: Float + SSE - 2D FFT Size 128fftw: Float + SSE - 2D FFT Size 256fftw: Float + SSE - 2D FFT Size 512fftw: Float + SSE - 1D FFT Size 1024fftw: Float + SSE - 1D FFT Size 2048fftw: Float + SSE - 1D FFT Size 4096fftw: Float + SSE - 2D FFT Size 1024fftw: Float + SSE - 2D FFT Size 2048fftw: Float + SSE - 2D FFT Size 4096debugNoGVNO2NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3OptSimplO2OptSimplO3OptRedO2OptRedO34998.54906.85218.74309.24420.64296.24320.43855.83660.63780.74285.64055.63914.83123.12706.62751.47287.09870.6164401498212702136791555211729114141187016266155131409110890.76459.16092.74967.14907.75211.54336.74414.64308.34344.43835.53686.73773.34282.94051.33895.43091.62723.72756.07311.4103501654815878130261398915560117431139911803161411546114186123167027.06717.95020.84897.95219.04289.84379.54290.54345.73861.63693.33797.54270.04055.03912.13107.22736.02738.97347.4104701652615952132061403215471119521151111750160591545714353122217077.76717.15008.94846.95127.94337.14358.84309.24340.13812.53671.33679.24233.74046.93909.53053.12662.02231.16805.0101311347113502127891365115289121881109411714156351554314243119036728.25603.75024.64899.55115.04336.64354.34316.14285.83848.03634.93736.54178.44046.43907.03048.52642.12239.36925.7102291339413636127401383115270122951108711715155171553914259119066665.95618.54898.04899.95144.64354.74364.24312.84314.43839.43616.93751.14198.14031.33917.43018.72664.32200.06912.79964.41341413740128501379515400125911113711778156301555114317119496731.15634.24962.74911.45217.94318.64408.44275.64334.23836.53642.83748.44276.04030.63911.53110.32726.62757.97116.0102561644415782132451445515414115781144011780159621552614337123377024.06694.64963.84905.75213.44326.34417.14247.74346.83836.43673.03759.44286.34039.53919.33083.82725.02758.97041.3103211637315981130581398315574119341137811858160371563114185121827072.16707.94957.94892.05189.34320.84415.54288.14340.03831.93622.23780.64280.94048.33923.93123.42728.12773.97252.4103541666815989130721412515294116091135611836160991556814234122027021.66697.34990.14899.15220.54337.34415.34329.54367.83821.53655.83784.44252.94037.23921.73149.12707.22767.17194.9103971651915845130001399715404119431133711709161691553814430122987059.06718.8OpenBenchmarking.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: 1D FFT Size 32OptNoSimplO3OptRedO2OptSimplO2OptSimplO3NoGVNO2OptRedO3debugOptNoSimplO2NoGVNO32 x Intel Xeon E5-2620 v211002200330044005500SE +/- 95.20, N = 13SE +/- 31.02, N = 3SE +/- 25.51, N = 3SE +/- 39.97, N = 3SE +/- 8.35, N = 3SE +/- 13.97, N = 3SE +/- 29.89, N = 3SE +/- 17.04, N = 3SE +/- 23.10, N = 3SE +/- 4.74, N = 34898.04957.94962.74963.84967.14990.14998.55008.95020.85024.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 64OptNoSimplO2OptRedO2NoGVNO3OptRedO32 x Intel Xeon E5-2620 v2OptNoSimplO3OptSimplO3debugNoGVNO2OptSimplO211002200330044005500SE +/- 61.09, N = 3SE +/- 7.40, N = 3SE +/- 5.21, N = 3SE +/- 8.65, N = 3SE +/- 7.41, N = 3SE +/- 4.42, N = 3SE +/- 3.52, N = 3SE +/- 2.78, N = 3SE +/- 3.97, N = 3SE +/- 6.01, N = 34846.94892.04897.94899.14899.54899.94905.74906.84907.74911.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3OptRedO2NoGVNO2OptSimplO3OptSimplO2debugNoGVNO3OptRedO311002200330044005500SE +/- 6.03, N = 3SE +/- 43.81, N = 3SE +/- 41.81, N = 3SE +/- 32.60, N = 3SE +/- 12.52, N = 3SE +/- 12.54, N = 3SE +/- 6.97, N = 3SE +/- 7.51, N = 3SE +/- 6.35, N = 3SE +/- 11.16, N = 35115.05127.95144.65189.35211.55213.45217.95218.75219.05220.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 64NoGVNO3debugOptSimplO2OptRedO2OptSimplO32 x Intel Xeon E5-2620 v2NoGVNO2OptNoSimplO2OptRedO3OptNoSimplO39001800270036004500SE +/- 46.52, N = 4SE +/- 21.54, N = 3SE +/- 4.27, N = 3SE +/- 22.79, N = 3SE +/- 21.71, N = 3SE +/- 5.04, N = 3SE +/- 4.40, N = 3SE +/- 4.58, N = 3SE +/- 18.00, N = 3SE +/- 7.74, N = 34289.84309.24318.64320.84326.34336.64336.74337.14337.34354.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3NoGVNO3OptSimplO2NoGVNO2OptRedO3OptRedO2OptSimplO3debug9001800270036004500SE +/- 3.10, N = 3SE +/- 1.43, N = 3SE +/- 2.94, N = 3SE +/- 35.10, N = 9SE +/- 2.45, N = 3SE +/- 2.46, N = 3SE +/- 2.25, N = 3SE +/- 4.33, N = 3SE +/- 2.14, N = 3SE +/- 6.43, N = 34354.34358.84364.24379.54408.44414.64415.34415.54417.14420.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 256OptSimplO3OptSimplO2OptRedO2NoGVNO3debugNoGVNO2OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v2OptRedO39001800270036004500SE +/- 53.04, N = 3SE +/- 8.48, N = 3SE +/- 22.07, N = 3SE +/- 15.53, N = 3SE +/- 1.72, N = 3SE +/- 1.57, N = 3SE +/- 1.60, N = 3SE +/- 24.49, N = 3SE +/- 27.37, N = 3SE +/- 17.30, N = 34247.74275.64288.14290.54296.24308.34309.24312.84316.14329.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2OptNoSimplO3debugOptSimplO2OptRedO2OptNoSimplO2NoGVNO2NoGVNO3OptSimplO3OptRedO39001800270036004500SE +/- 22.16, N = 3SE +/- 11.47, N = 3SE +/- 16.10, N = 3SE +/- 27.65, N = 3SE +/- 3.08, N = 3SE +/- 2.84, N = 3SE +/- 12.50, N = 3SE +/- 15.04, N = 3SE +/- 4.56, N = 3SE +/- 10.85, N = 34285.84314.44320.44334.24340.04340.14344.44345.74346.84367.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 128OptNoSimplO2OptRedO3OptRedO2NoGVNO2OptSimplO3OptSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v2debugNoGVNO38001600240032004000SE +/- 31.53, N = 3SE +/- 28.74, N = 3SE +/- 14.94, N = 3SE +/- 7.88, N = 3SE +/- 4.22, N = 3SE +/- 18.17, N = 3SE +/- 21.66, N = 3SE +/- 9.25, N = 3SE +/- 4.06, N = 3SE +/- 3.71, N = 33812.53821.53831.93835.53836.43836.53839.43848.03855.83861.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 256OptNoSimplO3OptRedO22 x Intel Xeon E5-2620 v2OptSimplO2OptRedO3debugOptNoSimplO2OptSimplO3NoGVNO2NoGVNO38001600240032004000SE +/- 37.88, N = 3SE +/- 16.18, N = 3SE +/- 23.89, N = 3SE +/- 34.93, N = 3SE +/- 33.79, N = 3SE +/- 23.34, N = 3SE +/- 17.09, N = 3SE +/- 34.82, N = 3SE +/- 13.35, N = 3SE +/- 7.11, N = 33616.93622.23634.93642.83655.83660.63671.33673.03686.73693.3

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 512OptNoSimplO22 x Intel Xeon E5-2620 v2OptSimplO2OptNoSimplO3OptSimplO3NoGVNO2OptRedO2debugOptRedO3NoGVNO38001600240032004000SE +/- 38.03, N = 5SE +/- 41.40, N = 5SE +/- 34.42, N = 12SE +/- 14.36, N = 3SE +/- 9.69, N = 3SE +/- 13.13, N = 3SE +/- 6.77, N = 3SE +/- 10.97, N = 3SE +/- 7.10, N = 3SE +/- 10.93, N = 33679.23736.53748.43751.13759.43773.33780.63780.73784.43797.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO2OptRedO3NoGVNO3OptSimplO2OptRedO2NoGVNO2debugOptSimplO39001800270036004500SE +/- 59.35, N = 3SE +/- 25.83, N = 3SE +/- 8.01, N = 3SE +/- 32.58, N = 3SE +/- 19.30, N = 3SE +/- 11.99, N = 3SE +/- 4.77, N = 3SE +/- 2.87, N = 3SE +/- 5.54, N = 3SE +/- 4.50, N = 34178.44198.14233.74252.94270.04276.04280.94282.94285.64286.3

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2048OptSimplO2OptNoSimplO3OptRedO3OptSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptRedO2NoGVNO2NoGVNO3debug9001800270036004500SE +/- 14.04, N = 3SE +/- 6.58, N = 3SE +/- 22.16, N = 3SE +/- 7.07, N = 3SE +/- 11.79, N = 3SE +/- 18.65, N = 3SE +/- 14.17, N = 3SE +/- 6.84, N = 3SE +/- 8.12, N = 3SE +/- 6.96, N = 34030.64031.34037.24039.54046.44046.94048.34051.34055.04055.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 4096NoGVNO22 x Intel Xeon E5-2620 v2OptNoSimplO2OptSimplO2NoGVNO3debugOptNoSimplO3OptSimplO3OptRedO3OptRedO28001600240032004000SE +/- 8.63, N = 3SE +/- 8.30, N = 3SE +/- 1.10, N = 3SE +/- 7.30, N = 3SE +/- 13.90, N = 3SE +/- 17.36, N = 3SE +/- 13.95, N = 3SE +/- 15.54, N = 3SE +/- 5.34, N = 3SE +/- 4.75, N = 33895.43907.03909.53911.53912.13914.83917.43919.33921.73923.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1024OptNoSimplO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptSimplO3NoGVNO2NoGVNO3OptSimplO2debugOptRedO2OptRedO37001400210028003500SE +/- 8.28, N = 3SE +/- 13.57, N = 3SE +/- 12.20, N = 3SE +/- 10.08, N = 3SE +/- 13.41, N = 3SE +/- 38.36, N = 3SE +/- 26.70, N = 3SE +/- 15.08, N = 3SE +/- 14.89, N = 3SE +/- 9.39, N = 33018.73048.53053.13083.83091.63107.23110.33123.13123.43149.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3debugOptRedO3NoGVNO2OptSimplO3OptSimplO2OptRedO2NoGVNO36001200180024003000SE +/- 5.49, N = 3SE +/- 6.15, N = 3SE +/- 6.56, N = 3SE +/- 3.24, N = 3SE +/- 12.30, N = 3SE +/- 8.21, N = 3SE +/- 16.84, N = 3SE +/- 17.93, N = 3SE +/- 16.99, N = 3SE +/- 12.56, N = 32642.12662.02664.32706.62707.22723.72725.02726.62728.12736.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 4096OptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2NoGVNO3debugNoGVNO2OptSimplO2OptSimplO3OptRedO3OptRedO26001200180024003000SE +/- 21.99, N = 15SE +/- 16.21, N = 3SE +/- 8.09, N = 3SE +/- 16.56, N = 3SE +/- 5.74, N = 3SE +/- 14.23, N = 3SE +/- 8.89, N = 3SE +/- 5.14, N = 3SE +/- 13.13, N = 3SE +/- 15.05, N = 32200.02231.12239.32738.92751.42756.02757.92758.92767.12773.9

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 32OptNoSimplO2OptNoSimplO32 x Intel Xeon E5-2620 v2OptSimplO3OptSimplO2OptRedO3OptRedO2debugNoGVNO2NoGVNO316003200480064008000SE +/- 24.17, N = 3SE +/- 71.46, N = 15SE +/- 64.34, N = 15SE +/- 90.54, N = 15SE +/- 52.52, N = 15SE +/- 57.27, N = 15SE +/- 76.45, N = 5SE +/- 5.79, N = 3SE +/- 79.17, N = 3SE +/- 35.65, N = 36805.06912.76925.77041.37116.07194.97252.47287.07311.47347.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 64debugOptNoSimplO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptSimplO2OptSimplO3NoGVNO2OptRedO2OptRedO3NoGVNO32K4K6K8K10KSE +/- 172.96, N = 15SE +/- 98.25, N = 3SE +/- 33.87, N = 3SE +/- 54.50, N = 3SE +/- 141.95, N = 3SE +/- 15.38, N = 3SE +/- 99.10, N = 3SE +/- 18.19, N = 3SE +/- 18.11, N = 3SE +/- 114.62, N = 39870.69964.410131.010229.010256.010321.010350.010354.010397.010470.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO2OptSimplO3debugOptSimplO2OptRedO3NoGVNO3NoGVNO2OptRedO24K8K12K16K20KSE +/- 107.35, N = 3SE +/- 102.53, N = 3SE +/- 131.37, N = 3SE +/- 92.64, N = 3SE +/- 98.77, N = 3SE +/- 64.02, N = 3SE +/- 23.39, N = 3SE +/- 139.56, N = 3SE +/- 136.41, N = 3SE +/- 42.15, N = 313394134141347116373164401644416519165261654816668

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 64OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3debugOptSimplO2OptRedO3NoGVNO2NoGVNO3OptSimplO3OptRedO23K6K9K12K15KSE +/- 41.97, N = 3SE +/- 70.91, N = 3SE +/- 55.77, N = 3SE +/- 26.91, N = 3SE +/- 136.22, N = 15SE +/- 86.00, N = 3SE +/- 70.08, N = 3SE +/- 133.36, N = 3SE +/- 82.53, N = 3SE +/- 23.46, N = 313502136361374014982157821584515878159521598115989

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 128debug2 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3OptRedO3NoGVNO2OptSimplO3OptRedO2NoGVNO3OptSimplO23K6K9K12K15KSE +/- 136.03, N = 15SE +/- 136.77, N = 3SE +/- 84.00, N = 3SE +/- 80.49, N = 3SE +/- 67.87, N = 3SE +/- 160.95, N = 3SE +/- 130.44, N = 3SE +/- 133.00, N = 3SE +/- 33.80, N = 3SE +/- 45.94, N = 312702127401278912850130001302613058130721320613245

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 256OptNoSimplO2debugOptNoSimplO32 x Intel Xeon E5-2620 v2OptSimplO3NoGVNO2OptRedO3NoGVNO3OptRedO2OptSimplO23K6K9K12K15KSE +/- 68.09, N = 3SE +/- 98.34, N = 3SE +/- 58.29, N = 3SE +/- 67.57, N = 3SE +/- 36.46, N = 3SE +/- 30.75, N = 3SE +/- 165.24, N = 3SE +/- 28.45, N = 3SE +/- 145.93, N = 4SE +/- 115.02, N = 313651136791379513831139831398913997140321412514455

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2OptNoSimplO2OptRedO2OptNoSimplO3OptRedO3OptSimplO2NoGVNO3debugNoGVNO2OptSimplO33K6K9K12K15KSE +/- 127.67, N = 3SE +/- 157.18, N = 3SE +/- 195.78, N = 3SE +/- 66.70, N = 3SE +/- 104.45, N = 3SE +/- 60.73, N = 3SE +/- 120.34, N = 3SE +/- 123.58, N = 3SE +/- 81.91, N = 3SE +/- 63.39, N = 315270152891529415400154041541415471155521556015574

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 128OptSimplO2OptRedO2debugNoGVNO2OptSimplO3OptRedO3NoGVNO3OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO33K6K9K12K15KSE +/- 111.70, N = 3SE +/- 48.56, N = 3SE +/- 84.15, N = 12SE +/- 95.52, N = 3SE +/- 47.40, N = 3SE +/- 104.94, N = 8SE +/- 92.80, N = 3SE +/- 113.85, N = 15SE +/- 82.96, N = 15SE +/- 50.90, N = 311578116091172911743119341194311952121881229512591

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3OptRedO3OptRedO2OptSimplO3NoGVNO2debugOptSimplO2NoGVNO32K4K6K8K10KSE +/- 119.21, N = 3SE +/- 115.75, N = 3SE +/- 21.39, N = 3SE +/- 140.84, N = 3SE +/- 108.39, N = 3SE +/- 91.42, N = 3SE +/- 85.30, N = 3SE +/- 86.71, N = 3SE +/- 35.14, N = 3SE +/- 40.95, N = 311087110941113711337113561137811399114141144011511

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 512OptRedO3OptNoSimplO22 x Intel Xeon E5-2620 v2NoGVNO3OptNoSimplO3OptSimplO2NoGVNO2OptRedO2OptSimplO3debug3K6K9K12K15KSE +/- 39.68, N = 3SE +/- 64.54, N = 3SE +/- 37.37, N = 3SE +/- 19.97, N = 3SE +/- 61.50, N = 3SE +/- 128.25, N = 3SE +/- 84.01, N = 3SE +/- 93.72, N = 3SE +/- 36.67, N = 3SE +/- 97.11, N = 311709117141171511750117781178011803118361185811870

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2OptNoSimplO3OptNoSimplO2OptSimplO2OptSimplO3NoGVNO3OptRedO2NoGVNO2OptRedO3debug3K6K9K12K15KSE +/- 112.78, N = 3SE +/- 32.22, N = 3SE +/- 43.66, N = 3SE +/- 73.63, N = 3SE +/- 141.62, N = 3SE +/- 80.68, N = 3SE +/- 85.56, N = 3SE +/- 67.72, N = 3SE +/- 94.45, N = 3SE +/- 80.85, N = 315517156301563515962160371605916099161411616916266

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2048NoGVNO3NoGVNO2debugOptSimplO2OptRedO32 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3OptRedO2OptSimplO33K6K9K12K15KSE +/- 78.24, N = 3SE +/- 75.96, N = 3SE +/- 41.31, N = 3SE +/- 37.49, N = 3SE +/- 33.86, N = 3SE +/- 107.49, N = 3SE +/- 24.95, N = 3SE +/- 15.63, N = 3SE +/- 58.95, N = 3SE +/- 27.28, N = 315457154611551315526155381553915543155511556815631

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 4096debugOptSimplO3NoGVNO2OptRedO2OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3OptSimplO2NoGVNO3OptRedO33K6K9K12K15KSE +/- 193.73, N = 3SE +/- 94.10, N = 3SE +/- 80.21, N = 3SE +/- 62.13, N = 3SE +/- 19.46, N = 3SE +/- 82.03, N = 3SE +/- 55.79, N = 3SE +/- 123.09, N = 3SE +/- 135.86, N = 3SE +/- 94.63, N = 314091141851418614234142431425914317143371435314430

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1024debugOptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3OptSimplO3OptRedO2NoGVNO3OptRedO3NoGVNO2OptSimplO23K6K9K12K15KSE +/- 644.68, N = 12SE +/- 124.86, N = 3SE +/- 40.01, N = 3SE +/- 58.86, N = 3SE +/- 70.39, N = 3SE +/- 76.29, N = 3SE +/- 76.28, N = 3SE +/- 15.68, N = 3SE +/- 81.04, N = 3SE +/- 48.60, N = 310890.711903.011906.011949.012182.012202.012221.012298.012316.012337.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2048debug2 x Intel Xeon E5-2620 v2OptNoSimplO2OptNoSimplO3OptRedO2OptSimplO2NoGVNO2OptRedO3OptSimplO3NoGVNO315003000450060007500SE +/- 44.49, N = 3SE +/- 41.03, N = 3SE +/- 33.67, N = 3SE +/- 25.37, N = 3SE +/- 19.13, N = 3SE +/- 15.79, N = 3SE +/- 11.97, N = 3SE +/- 28.87, N = 3SE +/- 14.30, N = 3SE +/- 8.17, N = 36459.16665.96728.26731.17021.67024.07027.07059.07072.17077.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 4096OptNoSimplO22 x Intel Xeon E5-2620 v2OptNoSimplO3debugOptSimplO2OptRedO2OptSimplO3NoGVNO3NoGVNO2OptRedO314002800420056007000SE +/- 4.28, N = 3SE +/- 8.82, N = 3SE +/- 7.27, N = 3SE +/- 262.37, N = 9SE +/- 9.08, N = 3SE +/- 4.50, N = 3SE +/- 11.45, N = 3SE +/- 21.46, N = 3SE +/- 13.11, N = 3SE +/- 15.62, N = 35603.75618.55634.26092.76694.66697.36707.96717.16717.96718.8

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

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 .