On Fri, 18 Jul 2008 10:24:58 -0400 (EDT) Adam Stylinski <[EMAIL PROTECTED]> wrote: > GCC 4.3 is catching up, but they are no where near utilizing SSE4 or > SSE5 instructions. > > http://blog.alphagemini.org/2008/03/icc-vs-gcc-43.html > > He concludes that it's not worth pursuing, but I beg to differ. > Those are signifcant differences for a processor.
He doesn't establish whether the code in question is highly cpu-bound or not when run on his system. For a lot of memory- and i/o-bound code, there's little practical difference between gcc with optimisations turned off and gcc with -frice-my-shorts except that the former compiles an order of magnitude faster. The more interesting question, then, is whether users run any non-trivial cpu-bound programs. We know the applied science types do, but they tend to be the ones who're doing clever things with icc anyway. What about normal users? -- Ciaran McCreesh
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