[FFmpeg-cvslog] r23095 - in trunk/libavcodec: Makefile allcodecs.c mpegaudio.h mpegaudio_tablegen.h mpegaudiodec.c mpegaudiodec_float.c

[Carl Eugen Hoyos]

M?ns Rullg?rd <mans <at> mansr.com> writes:

> The float version is 4x slower on Cortex-A8 not counting post-conversion.
> Float and int are about the same speed on Intel i7.

mplayer (31175) 100mbDVB.ts -demuxer lavf -novideo -benchmark -ao pcm -ac
mp3/ffmp2float/ffmp2

P3: Pentium III (Katmai) 500MHz SSE
XP: Athlon XP 2600+ Thoroughbred SSE, 3DNow!
HP: Intel(R) Pentium(R) M processor 1.86GHz (GenuineIntel 6 13 8) SSE2
TP: Intel(R) Pentium(R) M processor 1500MHz (GenuineIntel 6 9 5) SSE2

P3: 2.9 / 3.9 / 4.8
XP: 0.8 / 1.1 / 1.3
HP: 0.5 / 0.6 / 0.9
TP: 0.7 / 0.9 / 1.3

Carl Eugen