Re: Dirac, GCC-4.0.0 and SIMD optimisations on x86 architecture

2005-05-04 Thread Anuradha Suraparaju
helps. Regards A. Suraparaju On Tue, 2005-05-03 at 16:29 -0700, James E Wilson wrote: > Anuradha Suraparaju wrote: > > My question is how do I report this as a bug? What information do I > > need to provide in the bug report? Did anybody else face similar > > problems with

Dirac, GCC-4.0.0 and SIMD optimisations on x86 architecture

2005-04-27 Thread Anuradha Suraparaju
I used GCC-4.0.0 to build the Dirac project. I used the --enable-mmx flag to enable MMX optimisations. Other versions of gcc (3.3.4 and 3.4.3) give a speedup of approximately 30% when the mmx optimisations are enabled. However with gcc-4.0.0, the performance of the Dirac encoder with MMX opts enabl