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. debug: 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 NoGVNO2: 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 NoGVNO3: 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 OptNoSimplO2: Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768 FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 32 Mflops > Higher Is Better debug ........ 4998.5 |======================================================== NoGVNO2 ...... 4967.1 |======================================================= NoGVNO3 ...... 5020.8 |======================================================== OptNoSimplO2 . 5008.9 |======================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 64 Mflops > Higher Is Better debug ........ 4906.8 |======================================================== NoGVNO2 ...... 4907.7 |======================================================== NoGVNO3 ...... 4897.9 |======================================================== OptNoSimplO2 . 4846.9 |======================================================= FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 32 Mflops > Higher Is Better debug ........ 5218.7 |======================================================== NoGVNO2 ...... 5211.5 |======================================================== NoGVNO3 ...... 5219.0 |======================================================== OptNoSimplO2 . 5127.9 |======================================================= FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 64 Mflops > Higher Is Better debug ........ 4309.2 |======================================================== NoGVNO2 ...... 4336.7 |======================================================== NoGVNO3 ...... 4289.8 |======================================================= OptNoSimplO2 . 4337.1 |======================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 128 Mflops > Higher Is Better debug ........ 4420.6 |======================================================== NoGVNO2 ...... 4414.6 |======================================================== NoGVNO3 ...... 4379.5 |======================================================= OptNoSimplO2 . 4358.8 |======================================================= FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 256 Mflops > Higher Is Better debug ........ 4296.2 |======================================================== NoGVNO2 ...... 4308.3 |======================================================== NoGVNO3 ...... 4290.5 |======================================================== OptNoSimplO2 . 4309.2 |======================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 512 Mflops > Higher Is Better debug ........ 4320.4 |======================================================== NoGVNO2 ...... 4344.4 |======================================================== NoGVNO3 ...... 4345.7 |======================================================== OptNoSimplO2 . 4340.1 |======================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 128 Mflops > Higher Is Better debug ........ 3855.8 |======================================================== NoGVNO2 ...... 3835.5 |======================================================== NoGVNO3 ...... 3861.6 |======================================================== OptNoSimplO2 . 3812.5 |======================================================= FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 256 Mflops > Higher Is Better debug ........ 3660.6 |======================================================== NoGVNO2 ...... 3686.7 |======================================================== NoGVNO3 ...... 3693.3 |======================================================== OptNoSimplO2 . 3671.3 |======================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 512 Mflops > Higher Is Better debug ........ 3780.7 |======================================================== NoGVNO2 ...... 3773.3 |======================================================== NoGVNO3 ...... 3797.5 |======================================================== OptNoSimplO2 . 3679.2 |====================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 1024 Mflops > Higher Is Better debug ........ 4285.6 |======================================================== NoGVNO2 ...... 4282.9 |======================================================== NoGVNO3 ...... 4270.0 |======================================================== OptNoSimplO2 . 4233.7 |======================================================= FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 2048 Mflops > Higher Is Better debug ........ 4055.6 |======================================================== NoGVNO2 ...... 4051.3 |======================================================== NoGVNO3 ...... 4055.0 |======================================================== OptNoSimplO2 . 4046.9 |======================================================== FFTW 3.3.6 Build: Stock - Size: 1D FFT Size 4096 Mflops > Higher Is Better debug ........ 3914.8 |======================================================== NoGVNO2 ...... 3895.4 |======================================================== NoGVNO3 ...... 3912.1 |======================================================== OptNoSimplO2 . 3909.5 |======================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 1024 Mflops > Higher Is Better debug ........ 3123.1 |======================================================== NoGVNO2 ...... 3091.6 |======================================================= NoGVNO3 ...... 3107.2 |======================================================== OptNoSimplO2 . 3053.1 |======================================================= FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 2048 Mflops > Higher Is Better debug ........ 2706.6 |======================================================= NoGVNO2 ...... 2723.7 |======================================================== NoGVNO3 ...... 2736.0 |======================================================== OptNoSimplO2 . 2662.0 |====================================================== FFTW 3.3.6 Build: Stock - Size: 2D FFT Size 4096 Mflops > Higher Is Better debug ........ 2751.4 |======================================================== NoGVNO2 ...... 2756.0 |======================================================== NoGVNO3 ...... 2738.9 |======================================================== OptNoSimplO2 . 2231.1 |============================================= FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 32 Mflops > Higher Is Better debug ........ 7287.0 |======================================================== NoGVNO2 ...... 7311.4 |======================================================== NoGVNO3 ...... 7347.4 |======================================================== OptNoSimplO2 . 6805.0 |==================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 64 Mflops > Higher Is Better debug ........ 9870.6 |==================================================== NoGVNO2 ...... 10350.0 |====================================================== NoGVNO3 ...... 10470.0 |======================================================= OptNoSimplO2 . 10131.0 |===================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 32 Mflops > Higher Is Better debug ........ 16440 |========================================================= NoGVNO2 ...... 16548 |========================================================= NoGVNO3 ...... 16526 |========================================================= OptNoSimplO2 . 13471 |============================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 64 Mflops > Higher Is Better debug ........ 14982 |====================================================== NoGVNO2 ...... 15878 |========================================================= NoGVNO3 ...... 15952 |========================================================= OptNoSimplO2 . 13502 |================================================ FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 128 Mflops > Higher Is Better debug ........ 12702 |======================================================= NoGVNO2 ...... 13026 |======================================================== NoGVNO3 ...... 13206 |========================================================= OptNoSimplO2 . 12789 |======================================================= FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 256 Mflops > Higher Is Better debug ........ 13679 |======================================================== NoGVNO2 ...... 13989 |========================================================= NoGVNO3 ...... 14032 |========================================================= OptNoSimplO2 . 13651 |======================================================= FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 512 Mflops > Higher Is Better debug ........ 15552 |========================================================= NoGVNO2 ...... 15560 |========================================================= NoGVNO3 ...... 15471 |========================================================= OptNoSimplO2 . 15289 |======================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 128 Mflops > Higher Is Better debug ........ 11729 |======================================================= NoGVNO2 ...... 11743 |======================================================= NoGVNO3 ...... 11952 |======================================================== OptNoSimplO2 . 12188 |========================================================= FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 256 Mflops > Higher Is Better debug ........ 11414 |========================================================= NoGVNO2 ...... 11399 |======================================================== NoGVNO3 ...... 11511 |========================================================= OptNoSimplO2 . 11094 |======================================================= FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 512 Mflops > Higher Is Better debug ........ 11870 |========================================================= NoGVNO2 ...... 11803 |========================================================= NoGVNO3 ...... 11750 |======================================================== OptNoSimplO2 . 11714 |======================================================== FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 1024 Mflops > Higher Is Better debug ........ 16266 |========================================================= NoGVNO2 ...... 16141 |========================================================= NoGVNO3 ...... 16059 |======================================================== OptNoSimplO2 . 15635 |======================================================= FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 2048 Mflops > Higher Is Better debug ........ 15513 |========================================================= NoGVNO2 ...... 15461 |========================================================= NoGVNO3 ...... 15457 |========================================================= OptNoSimplO2 . 15543 |========================================================= FFTW 3.3.6 Build: Float + SSE - Size: 1D FFT Size 4096 Mflops > Higher Is Better debug ........ 14091 |======================================================== NoGVNO2 ...... 14186 |======================================================== NoGVNO3 ...... 14353 |========================================================= OptNoSimplO2 . 14243 |========================================================= FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 1024 Mflops > Higher Is Better debug ........ 10890.7 |================================================= NoGVNO2 ...... 12316.0 |======================================================= NoGVNO3 ...... 12221.0 |======================================================= OptNoSimplO2 . 11903.0 |===================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 2048 Mflops > Higher Is Better debug ........ 6459.1 |=================================================== NoGVNO2 ...... 7027.0 |======================================================== NoGVNO3 ...... 7077.7 |======================================================== OptNoSimplO2 . 6728.2 |===================================================== FFTW 3.3.6 Build: Float + SSE - Size: 2D FFT Size 4096 Mflops > Higher Is Better debug ........ 6092.7 |=================================================== NoGVNO2 ...... 6717.9 |======================================================== NoGVNO3 ...... 6717.1 |======================================================== OptNoSimplO2 . 5603.7 |===============================================