KFR 5.2.0 is released

27 November 2023

This release mainly focuses on DFT performance (which has been increased up to 40% on x86 and x86_64) and bug fixes.


  • The performance of DFT has been increased up to 40% compared to KFR 5 on x86 and x86_64 in single and double precision, inplace and out of place processing.


  • KFR_NO_PERF_TESTS define can now disable performance tests
  • CMT_CVAL for extracting constexpr-enabled value from cval_t
  • fft_algorithm_selection to select FFT algorithm for given FFT size.