[Beowulf] Memory latency (was woodcrest)
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Greg Lindahl greg.lindahl at qlogic.comMon Aug 21 00:51:57 PDT 2006
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On Thu, Aug 17, 2006 at 02:52:47PM -0700, Bill Broadley wrote: > I'm happy to say that Pathscale, Intel, GCC-3, and GCC-4 all share > mostly identical performance. Although, I had to be very careful with > pathscale to avoid the benchmark routine from getting optimized away. *snicker* Believe it or not, that optimization is actually useful in real programs, which occasionally read or write to arrays without ever subsequently using the data. -- greg
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