armv6: Accelerate vector_fmul_window

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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 vector_fmul_window_c() / ff_vector_fmul_window_vfp() for the
same sample AAC stream:

                    Before          After
                    Mean   StdDev   Mean   StdDev  Confidence  Change
Audio decode        1598.2 47.4     1529.2 25.4    100.0%      +4.5%
vector_fmul_window  244.0  22.1     188.9  22.3    100.0%      +29.2%

Signed-off-by: Martin Storsjö <martin@martin.st>

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Ben Avison 2014-07-11 00:12:33 +01:00 committed by Martin Storsjö

parent 87552d54d3

commit 5edad2c4a1

2 changed files with 210 additions and 1 deletions

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