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  • Lynne's avatar
    x86/tx_float: add 15xN PFA FFT AVX SIMD · ace42cf5
    Lynne authored 
    ~4x faster than the C version.
The shuffles in the 15pt dim1 are seriously expensive. Not happy with it,
but I'm contempt.

Can be easily converted to pure AVX by removing all vpermpd/vpermps
instructions.
    ace42cf5
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