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4 Commits

Author SHA1 Message Date
James Almer bbcaf25d4d lavu/sha512: Fully unroll the transform function loops 
crypto_bench SHA-512 results using an AMD Athlon X2 7750+, mingw32-w64 GCC 4.7.3 x86_64

Before:
lavu       SHA-512      size: 1048576  runs:   1024  time:   12.737 +- 0.147

After:
lavu       SHA-512      size: 1048576  runs:   1024  time:   11.670 +- 0.173

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-09-11 21:55:59 +02:00
Michael Niedermayer 475df42eb6 avutil/sha512: make const tables static const 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-08-11 16:49:03 +02:00
Michael Niedermayer 09d6beee24 avutil/sha512: Reshuffle Maj() operands 
This reduces dependancy chains and improves speed by about 2%

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-02 13:18:16 +02:00
James Almer 682b2273e8 lavu: Add SHA-2 512 hashing 
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
 2013-06-02 11:27:19 +02:00