[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Original]
Re: [MPlayer-users] CPU optimization
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> I would like to compile an mplayer binary able to run on most
> and Athlon/Duron CPUs and at the same time with the highest CPU optimization
you want to go right and left at the same time....
for the best performance optimize it for a given single cpu.
p1, celeron, p4 and athlon are very different, is not possible to make binary
which run optimal on all them.
> I have been suggested to compile with the options
> --enable-mmx --enable-mmx2 --enable-3dnow --enable-3dnowex --enable-sse
> but the binary I get refuses to play already on the machine I compiled it in
> ( CPU: AMD Athlon(tm) Processor 1GHz,
> CPU flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
> cmov pat
> pse36 mmx fxsr syscall mmxext 3dnowext 3dnow,
> video card: ATI Technologies Inc Radeon VE QY,
> compiler: gcc 3.2)
> I looked in the DOCS but I could not find any info on the behaviour that
> the optimization
> options are supposed to have.
> In particular: an mplayer binary compiled with support for, say, SSE is
> it supposed to work
> on a machine with a CPU that does not supoprt that flag?
> In other words, the crash in my AMD 1GHz machine of the mplayer compiled
> with the CPU
> optimization above it is exactly what was supposed to happen or it is
> some kind of bug?
> Roberto De Leo
> RTFM!!! http://www.MPlayerHQ.hu/DOCS
> Search: http://www.MPlayerHQ.hu/cgi-bin/htsearch
A'rpi / Astral & ESP-team
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu