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
Jump To Table - Results

View

Do Not Show Noisy Results
Do Not Show Results With Incomplete Data
Do Not Show Results With Little Change/Spread
List Notable Results
Show Result Confidence Charts

Statistics

Show Overall Harmonic Mean(s)
Show Overall Geometric Mean
Show Wins / Losses Counts (Pie Chart)
Normalize Results
Remove Outliers Before Calculating Averages

Graph Settings

Force Line Graphs Where Applicable
Convert To Scalar Where Applicable
Disable Color Branding
Prefer Vertical Bar Graphs

Multi-Way Comparison

Condense Multi-Option Tests Into Single Result Graphs

Table

Show Detailed System Result Table

Run Management

Highlight
Result
Hide
Result
Result
Identifier
Performance Per
Dollar
Date
Run
  Test
  Duration
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
Invert Hiding All Results Option
  53 Minutes

Only show results where is faster than
Only show results matching title/arguments (delimit multiple options with a comma):
Do not show results matching title/arguments (delimit multiple options with a comma):

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 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug11002200330044005500SE +/- 4.74, N = 3SE +/- 8.35, N = 3SE +/- 23.10, N = 3SE +/- 17.04, N = 3SE +/- 95.20, N = 13SE +/- 31.02, N = 3SE +/- 13.97, N = 3SE +/- 25.51, N = 3SE +/- 39.97, N = 3SE +/- 29.89, N = 35024.64967.15020.85008.94898.04957.94990.14962.74963.84998.5

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug11002200330044005500SE +/- 7.41, N = 3SE +/- 3.97, N = 3SE +/- 5.21, N = 3SE +/- 61.09, N = 3SE +/- 4.42, N = 3SE +/- 7.40, N = 3SE +/- 8.65, N = 3SE +/- 6.01, N = 3SE +/- 3.52, N = 3SE +/- 2.78, N = 34899.54907.74897.94846.94899.94892.04899.14911.44905.74906.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug11002200330044005500SE +/- 6.03, N = 3SE +/- 12.52, N = 3SE +/- 6.35, N = 3SE +/- 43.81, N = 3SE +/- 41.81, N = 3SE +/- 32.60, N = 3SE +/- 11.16, N = 3SE +/- 6.97, N = 3SE +/- 12.54, N = 3SE +/- 7.51, N = 35115.05211.55219.05127.95144.65189.35220.55217.95213.45218.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug9001800270036004500SE +/- 5.04, N = 3SE +/- 4.40, N = 3SE +/- 46.52, N = 4SE +/- 4.58, N = 3SE +/- 7.74, N = 3SE +/- 22.79, N = 3SE +/- 18.00, N = 3SE +/- 4.27, N = 3SE +/- 21.71, N = 3SE +/- 21.54, N = 34336.64336.74289.84337.14354.74320.84337.34318.64326.34309.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug9001800270036004500SE +/- 3.10, N = 3SE +/- 2.46, N = 3SE +/- 35.10, N = 9SE +/- 1.43, N = 3SE +/- 2.94, N = 3SE +/- 4.33, N = 3SE +/- 2.25, N = 3SE +/- 2.45, N = 3SE +/- 2.14, N = 3SE +/- 6.43, N = 34354.34414.64379.54358.84364.24415.54415.34408.44417.14420.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug9001800270036004500SE +/- 27.37, N = 3SE +/- 1.57, N = 3SE +/- 15.53, N = 3SE +/- 1.60, N = 3SE +/- 24.49, N = 3SE +/- 22.07, N = 3SE +/- 17.30, N = 3SE +/- 8.48, N = 3SE +/- 53.04, N = 3SE +/- 1.72, N = 34316.14308.34290.54309.24312.84288.14329.54275.64247.74296.2

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug9001800270036004500SE +/- 22.16, N = 3SE +/- 12.50, N = 3SE +/- 15.04, N = 3SE +/- 2.84, N = 3SE +/- 11.47, N = 3SE +/- 3.08, N = 3SE +/- 10.85, N = 3SE +/- 27.65, N = 3SE +/- 4.56, N = 3SE +/- 16.10, N = 34285.84344.44345.74340.14314.44340.04367.84334.24346.84320.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug8001600240032004000SE +/- 9.25, N = 3SE +/- 7.88, N = 3SE +/- 3.71, N = 3SE +/- 31.53, N = 3SE +/- 21.66, N = 3SE +/- 14.94, N = 3SE +/- 28.74, N = 3SE +/- 18.17, N = 3SE +/- 4.22, N = 3SE +/- 4.06, N = 33848.03835.53861.63812.53839.43831.93821.53836.53836.43855.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug8001600240032004000SE +/- 23.89, N = 3SE +/- 13.35, N = 3SE +/- 7.11, N = 3SE +/- 17.09, N = 3SE +/- 37.88, N = 3SE +/- 16.18, N = 3SE +/- 33.79, N = 3SE +/- 34.93, N = 3SE +/- 34.82, N = 3SE +/- 23.34, N = 33634.93686.73693.33671.33616.93622.23655.83642.83673.03660.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug8001600240032004000SE +/- 41.40, N = 5SE +/- 13.13, N = 3SE +/- 10.93, N = 3SE +/- 38.03, N = 5SE +/- 14.36, N = 3SE +/- 6.77, N = 3SE +/- 7.10, N = 3SE +/- 34.42, N = 12SE +/- 9.69, N = 3SE +/- 10.97, N = 33736.53773.33797.53679.23751.13780.63784.43748.43759.43780.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug9001800270036004500SE +/- 59.35, N = 3SE +/- 2.87, N = 3SE +/- 19.30, N = 3SE +/- 8.01, N = 3SE +/- 25.83, N = 3SE +/- 4.77, N = 3SE +/- 32.58, N = 3SE +/- 11.99, N = 3SE +/- 4.50, N = 3SE +/- 5.54, N = 34178.44282.94270.04233.74198.14280.94252.94276.04286.34285.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug9001800270036004500SE +/- 11.79, N = 3SE +/- 6.84, N = 3SE +/- 8.12, N = 3SE +/- 18.65, N = 3SE +/- 6.58, N = 3SE +/- 14.17, N = 3SE +/- 22.16, N = 3SE +/- 14.04, N = 3SE +/- 7.07, N = 3SE +/- 6.96, N = 34046.44051.34055.04046.94031.34048.34037.24030.64039.54055.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 1D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug8001600240032004000SE +/- 8.30, N = 3SE +/- 8.63, N = 3SE +/- 13.90, N = 3SE +/- 1.10, N = 3SE +/- 13.95, N = 3SE +/- 4.75, N = 3SE +/- 5.34, N = 3SE +/- 7.30, N = 3SE +/- 15.54, N = 3SE +/- 17.36, N = 33907.03895.43912.13909.53917.43923.93921.73911.53919.33914.8

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug7001400210028003500SE +/- 13.57, N = 3SE +/- 13.41, N = 3SE +/- 38.36, N = 3SE +/- 12.20, N = 3SE +/- 8.28, N = 3SE +/- 14.89, N = 3SE +/- 9.39, N = 3SE +/- 26.70, N = 3SE +/- 10.08, N = 3SE +/- 15.08, N = 33048.53091.63107.23053.13018.73123.43149.13110.33083.83123.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug6001200180024003000SE +/- 5.49, N = 3SE +/- 8.21, N = 3SE +/- 12.56, N = 3SE +/- 6.15, N = 3SE +/- 6.56, N = 3SE +/- 16.99, N = 3SE +/- 12.30, N = 3SE +/- 17.93, N = 3SE +/- 16.84, N = 3SE +/- 3.24, N = 32642.12723.72736.02662.02664.32728.12707.22726.62725.02706.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Stock - Size: 2D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug6001200180024003000SE +/- 8.09, N = 3SE +/- 14.23, N = 3SE +/- 16.56, N = 3SE +/- 16.21, N = 3SE +/- 21.99, N = 15SE +/- 15.05, N = 3SE +/- 13.13, N = 3SE +/- 8.89, N = 3SE +/- 5.14, N = 3SE +/- 5.74, N = 32239.32756.02738.92231.12200.02773.92767.12757.92758.92751.4

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug16003200480064008000SE +/- 64.34, N = 15SE +/- 79.17, N = 3SE +/- 35.65, N = 3SE +/- 24.17, N = 3SE +/- 71.46, N = 15SE +/- 76.45, N = 5SE +/- 57.27, N = 15SE +/- 52.52, N = 15SE +/- 90.54, N = 15SE +/- 5.79, N = 36925.77311.47347.46805.06912.77252.47194.97116.07041.37287.0

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug2K4K6K8K10KSE +/- 54.50, N = 3SE +/- 99.10, N = 3SE +/- 114.62, N = 3SE +/- 33.87, N = 3SE +/- 98.25, N = 3SE +/- 18.19, N = 3SE +/- 18.11, N = 3SE +/- 141.95, N = 3SE +/- 15.38, N = 3SE +/- 172.96, N = 1510229.010350.010470.010131.09964.410354.010397.010256.010321.09870.6

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 322 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug4K8K12K16K20KSE +/- 107.35, N = 3SE +/- 136.41, N = 3SE +/- 139.56, N = 3SE +/- 131.37, N = 3SE +/- 102.53, N = 3SE +/- 42.15, N = 3SE +/- 23.39, N = 3SE +/- 64.02, N = 3SE +/- 92.64, N = 3SE +/- 98.77, N = 313394165481652613471134141666816519164441637316440

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 642 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 70.91, N = 3SE +/- 70.08, N = 3SE +/- 133.36, N = 3SE +/- 41.97, N = 3SE +/- 55.77, N = 3SE +/- 23.46, N = 3SE +/- 86.00, N = 3SE +/- 136.22, N = 15SE +/- 82.53, N = 3SE +/- 26.91, N = 313636158781595213502137401598915845157821598114982

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 136.77, N = 3SE +/- 160.95, N = 3SE +/- 33.80, N = 3SE +/- 84.00, N = 3SE +/- 80.49, N = 3SE +/- 133.00, N = 3SE +/- 67.87, N = 3SE +/- 45.94, N = 3SE +/- 130.44, N = 3SE +/- 136.03, N = 1512740130261320612789128501307213000132451305812702

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 67.57, N = 3SE +/- 30.75, N = 3SE +/- 28.45, N = 3SE +/- 68.09, N = 3SE +/- 58.29, N = 3SE +/- 145.93, N = 4SE +/- 165.24, N = 3SE +/- 115.02, N = 3SE +/- 36.46, N = 3SE +/- 98.34, N = 313831139891403213651137951412513997144551398313679

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 127.67, N = 3SE +/- 81.91, N = 3SE +/- 120.34, N = 3SE +/- 157.18, N = 3SE +/- 66.70, N = 3SE +/- 195.78, N = 3SE +/- 104.45, N = 3SE +/- 60.73, N = 3SE +/- 63.39, N = 3SE +/- 123.58, N = 315270155601547115289154001529415404154141557415552

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 1282 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 82.96, N = 15SE +/- 95.52, N = 3SE +/- 92.80, N = 3SE +/- 113.85, N = 15SE +/- 50.90, N = 3SE +/- 48.56, N = 3SE +/- 104.94, N = 8SE +/- 111.70, N = 3SE +/- 47.40, N = 3SE +/- 84.15, N = 1212295117431195212188125911160911943115781193411729

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 2562 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug2K4K6K8K10KSE +/- 119.21, N = 3SE +/- 85.30, N = 3SE +/- 40.95, N = 3SE +/- 115.75, N = 3SE +/- 21.39, N = 3SE +/- 108.39, N = 3SE +/- 140.84, N = 3SE +/- 35.14, N = 3SE +/- 91.42, N = 3SE +/- 86.71, N = 311087113991151111094111371135611337114401137811414

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 5122 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 37.37, N = 3SE +/- 84.01, N = 3SE +/- 19.97, N = 3SE +/- 64.54, N = 3SE +/- 61.50, N = 3SE +/- 93.72, N = 3SE +/- 39.68, N = 3SE +/- 128.25, N = 3SE +/- 36.67, N = 3SE +/- 97.11, N = 311715118031175011714117781183611709117801185811870

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 112.78, N = 3SE +/- 67.72, N = 3SE +/- 80.68, N = 3SE +/- 43.66, N = 3SE +/- 32.22, N = 3SE +/- 85.56, N = 3SE +/- 94.45, N = 3SE +/- 73.63, N = 3SE +/- 141.62, N = 3SE +/- 80.85, N = 315517161411605915635156301609916169159621603716266

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 107.49, N = 3SE +/- 75.96, N = 3SE +/- 78.24, N = 3SE +/- 24.95, N = 3SE +/- 15.63, N = 3SE +/- 58.95, N = 3SE +/- 33.86, N = 3SE +/- 37.49, N = 3SE +/- 27.28, N = 3SE +/- 41.31, N = 315539154611545715543155511556815538155261563115513

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 1D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 82.03, N = 3SE +/- 80.21, N = 3SE +/- 135.86, N = 3SE +/- 19.46, N = 3SE +/- 55.79, N = 3SE +/- 62.13, N = 3SE +/- 94.63, N = 3SE +/- 123.09, N = 3SE +/- 94.10, N = 3SE +/- 193.73, N = 314259141861435314243143171423414430143371418514091

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 10242 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug3K6K9K12K15KSE +/- 40.01, N = 3SE +/- 81.04, N = 3SE +/- 76.28, N = 3SE +/- 124.86, N = 3SE +/- 58.86, N = 3SE +/- 76.29, N = 3SE +/- 15.68, N = 3SE +/- 48.60, N = 3SE +/- 70.39, N = 3SE +/- 644.68, N = 1211906.012316.012221.011903.011949.012202.012298.012337.012182.010890.7

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 20482 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug15003000450060007500SE +/- 41.03, N = 3SE +/- 11.97, N = 3SE +/- 8.17, N = 3SE +/- 33.67, N = 3SE +/- 25.37, N = 3SE +/- 19.13, N = 3SE +/- 28.87, N = 3SE +/- 15.79, N = 3SE +/- 14.30, N = 3SE +/- 44.49, N = 36665.97027.07077.76728.26731.17021.67059.07024.07072.16459.1

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 40962 x Intel Xeon E5-2620 v2NoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptRedO2OptRedO3OptSimplO2OptSimplO3debug14002800420056007000SE +/- 8.82, N = 3SE +/- 13.11, N = 3SE +/- 21.46, N = 3SE +/- 4.28, N = 3SE +/- 7.27, N = 3SE +/- 4.50, N = 3SE +/- 15.62, N = 3SE +/- 9.08, N = 3SE +/- 11.45, N = 3SE +/- 262.37, N = 95618.56717.96717.15603.75634.26697.36718.86694.66707.96092.7

debug

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

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

NoGVNO2

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

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

NoGVNO3

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

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

OptNoSimplO2

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

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

2 x Intel Xeon E5-2620 v2

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

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

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

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

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 .