On Tue, Jul 15, 2003 at 03:13:06PM -0700, Mike Fedyk wrote: > On Tue, Jul 15, 2003 at 12:25:19AM +0200, martin f krafft wrote: > > Another impediment to binary redistribution were compiletime > > optimizations for CPU architecture. MPlayer now supports runtime > > CPU detection (specify the --enable-runtime-cpudetection option > > when configuring). It is disabled by default because it implies > > a small speed sacrifice, but it is now possible to create binaries > > that run on different members of the Intel CPU family. > > why isn't the part needing the optimizations put into a seperate library, > and let ld choose the correct library based on cpu type? > > That should avoid any speed penalties. The mplayer developers needed run-time CPU detection to be slower than compile-time, so they implemented it in a broken fashion. -- .''`. ** Debian GNU/Linux ** | Andrew Suffield : :' : http://www.debian.org/ | Dept. of Computing, `. `' | Imperial College, `- -><- | London, UK
Attachment:
pgpdR9BWONbIf.pgp
Description: PGP signature