NASoftware

Here is a summary of FFT performance.

Full timings for all NAS VSIPL routines below:

VSIPL Performance on Atom N270

VSIPL Performance on Xeon X5570

AVX Optimisations and Case Studies:

VSIPL Benchmarks

AVX Performance Gain Study: SARMTI

Image Signal Processing Performance on 2nd Generation INTEL® CORE™ Microarchitecture

AVX2 Optimisations 

AVX2 VSIPL Benchmarks

AVX2 SARMTI Benchmarks

VSIPL AVX1 to AVX2 Comparison