• Ben Avison's avatar
    armv6: Accelerate butterflies_float · 57641410
    Ben Avison authored
    I benchmarked the result by measuring the number of gperftools samples that
    hit anywhere in the AAC decoder (starting from aac_decode_frame()) or
    specifically in butterflies_float_c() / ff_butterflies_float_vfp() for the
    same sample AAC stream:
    
                       Before          After
                       Mean   StdDev   Mean   StdDev  Confidence  Change
    Audio decode       1542.8 43.7     1470.5 41.5    100.0%      +4.9%
    butterflies_float  130.0  11.9     70.2   12.1    100.0%      +85.2%
    Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
    57641410
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