Kurt Roeckx schrieb: > On Fri, Jun 08, 2007 at 05:00:37PM -0700, David Schwartz wrote: >>> Using the Intel 9.1 compiler on an IA64 system the performance of >>> AES and (to a lesser extent) other algorithms implemented in >>> assembly language is less than that using gcc. I've included the >>> speed output for several of the algorithms below. >>> >>> Is this a know issue and is there a workaround other than switching >>> to gcc? >> You should compare with the best optimization flags for each compiler. I >> don't see any of the typical icc optimization flags used, >> like -ip, -march=pentium4, -msse3, -xP, or whatever is appropriate for your >> CPU. > > I don't think -march=pentium4 is going to work on an IA64, and I have my > doubts about sse3 too. > > Note that IA64 is not an x86_64/amd64/x64. > > > Kurt
Have you try the last version of the intel compiler(10.0)?
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