fft

Intel Core i7-4790 testing with a Dell 0TDG4V (A28 BIOS) and AMD FirePro W2100 2GB on Ubuntu 22.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2307042-NE-FFT08495488.

fftProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerOpenGLVulkanCompilerFile-SystemScreen Resolutionfft1Intel Core i7-4790 @ 4.00GHz (4 Cores / 8 Threads)Dell 0TDG4V (A28 BIOS)Intel 4th Gen Core DRAM32GB1000GB Seagate ST1000DM003-9YN1AMD FirePro W2100 2GBRealtek ALC3220DELL U2412MIntel I217-LMUbuntu 22.045.19.0-46-generic (x86_64)GNOME Shell 42.5X Server + Wayland4.5 Mesa 22.2.5 (LLVM 15.0.7 DRM 2.50)1.3.250GCC 11.3.0zfs1920x1200OpenBenchmarking.org- Transparent Huge Pages: madvise- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-bootstrap --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=2 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-gcn/usr --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-build-config=bootstrap-lto-lean --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - Scaling Governor: intel_cpufreq schedutil - CPU Microcode: 0x28 - Thermald 2.4.9 - 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 + retbleed: 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 + srbds: Mitigation of Microcode + tsx_async_abort: Not affected

fftffte: N=256, 3D Complex FFT RoutineStandard ErrorStandard Deviationfft116538.516689793198.052.39%OpenBenchmarking.org

FFTE

N=256, 3D Complex FFT Routine

OpenBenchmarking.orgMFLOPS, More Is BetterFFTE 7.0N=256, 3D Complex FFT Routinefft14K8K12K16K20KSE +/- 198.05, N = 416538.521. (F9X) gfortran options: -O3 -fomit-frame-pointer -fopenmp

Phoronix Test Suite v10.8.5