[XviD-devel] recent mmx patch (xvid_bench results)

[suxen_drol]

On Wed, 14 Apr 2004 21:58:51 +0200 Edouard Gomez <ed.gomez at free.fr> wrote:
> <jmtest at voila.fr> (jmtest at voila.fr) wrote:
> > So i did remove the cmov instructions from the mmx code
> 
> The patch looked correct, so i applied it on _my_ head branch. It works
> fine too for me(tm)
> 
> I'm now waiting for pete's feedback before applying it to the CVS head.

i ran two short encodes with quant, and its all good.
xvid_bench output follows. mingw was used; msvc's gettimeofday()
exhibits inaccurate timing. 

 =====  test quant =====
PLAINC -   quant_mpeg_intra 217.500 usec       crc32=0xfd6a21a4 
PLAINC -   quant_mpeg_inter 232.773 usec       crc32=0xf6de7757 
PLAINC - dequant_mpeg_intra 137.695 usec       crc32=0x2def7bc7 
PLAINC - dequant_mpeg_inter 165.469 usec       crc32=0xd878c722 
PLAINC -   quant_h263_intra 75.508 usec       crc32=0x2eba9d43 
PLAINC -   quant_h263_inter 104.453 usec       crc32=0xbd315a7e 
PLAINC - dequant_h263_intra 88.398 usec       crc32=0x9841212a 
PLAINC - dequant_h263_inter 101.719 usec       crc32=0xe7df8fba 
 --- 
MMX    -   quant_mpeg_intra 21.133 usec       crc32=0xdacabdb6 | ERROR
MMX    -   quant_mpeg_inter 25.039 usec       crc32=0x72883ab6 | ERROR
MMX    - dequant_mpeg_intra 22.656 usec       crc32=0x2def7bc7 
MMX    - dequant_mpeg_inter 25.820 usec       crc32=0xd878c722 
MMX    -   quant_h263_intra 12.930 usec       crc32=0x2eba9d43 
MMX    -   quant_h263_inter 12.500 usec       crc32=0xbd315a7e 
MMX    - dequant_h263_intra 17.227 usec       crc32=0x9841212a 
MMX    - dequant_h263_inter 17.227 usec       crc32=0xe7df8fba 
 --- 
3DNOW  -   quant_mpeg_intra 217.500 usec       crc32=0xfd6a21a4 
3DNOW  -   quant_mpeg_inter 232.773 usec       crc32=0xf6de7757 
3DNOW  - dequant_mpeg_intra 137.305 usec       crc32=0x2def7bc7 
3DNOW  - dequant_mpeg_inter 165.078 usec       crc32=0xd878c722 
3DNOW  -   quant_h263_intra 75.508 usec       crc32=0x2eba9d43 
3DNOW  -   quant_h263_inter 104.844 usec       crc32=0xbd315a7e 
3DNOW  - dequant_h263_intra 88.008 usec       crc32=0x9841212a 
3DNOW  - dequant_h263_inter 102.109 usec       crc32=0xe7df8fba 

-- pete