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P4 micro-optimization. ... what the heck are people doing here that this is relevant to their interests???? :P CMOV on current CPUs is quite fine— when it do
by nullc 13y ago
P4 micro-optimization. ... what the heck are people doing here that this is relevant to their interests???? :P
CMOV on current CPUs is quite fine— when it doesn't make a dependency mess, when the alternative is a poorly predicted branch, and when the dual execution is cheap / can be hidden.
- oofabz 13y agoThe article was written in 2007, when Intel's latest CPU was the Core 2 Duo. Lots of people still had P4's back then.