[FFmpeg-devel] [PATCH] avutil/md5: fix unaligned loads

[Nicolas George]

Le sextidi 6 ventôse, an CCXXIV, James Almer a écrit :
> It may result in a slight speed boost, so it would be nice if someone with
> a ppc machine could test it.

I can access this:

gcc110 2TB 4x16x3.55 GHz IBM POWER7 / 64 GB RAM /
IBM Power 730 Express server / Fedora 18 ppc64

processor       : 0
cpu             : POWER7 (architected), altivec supported
clock           : 3550.000000MHz
revision        : 2.1 (pvr 003f 0201)

But I can no

The time for 760 Mo are:

Original:

2.24user 0.14system 0:02.39elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
2.26user 0.11system 0:02.38elapsed 99%CPU (0avgtext+0avgdata 2688maxresident)k
2.23user 0.15system 0:02.38elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
2.25user 0.12system 0:02.38elapsed 100%CPU (0avgtext+0avgdata 2624maxresident)k
2.20user 0.15system 0:02.36elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k

Patched:

1.86user 0.13system 0:02.00elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
1.89user 0.11system 0:02.01elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
1.85user 0.14system 0:02.00elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
1.84user 0.15system 0:01.99elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k
1.89user 0.13system 0:02.02elapsed 99%CPU (0avgtext+0avgdata 2688maxresident)k

I keep the build tree and shell open for some time just in case.

Regards,

-- 
  Nicolas George
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