On 04/29/2011 02:57 PM, Tom Horsley wrote:
That was what we found when testing icc as well. I suspect
only the lunatics that designed such an insane architecture
actually know how to generate the best possible code for it :-).
icc has support for improved floating point performance - tho I have
never seen significant differences for the integer case.
See, for example this from 2007 on #pragma ivdep:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33426
Be nice if gcc had similar optimizations.