[packman] xvid really slow

Ronny Peine RonnyPeine at gmx.de
Thu Jan 22 07:59:08 CET 2009

Hello again,

i have compiled the source rpm and have seen the following interesting 
information in the configure step:

checking for platform specific LDFLAGS/CFLAGS... ok
checking for nasm... no
configure: WARNING: no correct assembler was found - Compiling generic sources 
checking stdio.h usability... yes

So it seems yasm is not needed anymore, xvid wants nasm. After installation of 
nasm and rebuilding xvid, i got a package which resulted in better 
performance. I now get about 10-11 fps with xvid, which is quite good. The 
problem here is that xvid won't use sse/mmx optimizations if nasm is missing 
and only uses the C-Sources. Therefor performance degrades dramatically.

Can you check this in your building Manfred?

Kind regards,
Ronny Peine
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