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Cache Usage Tutorial - MGNet

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Find good compiler optionsModern compilers have numerous flags to selectindividual optimization options• -On: successively more aggressiveoptimizations, n=1,...,8• -fast: may change round-off behavior• -unroll• -arch• Etc.Learning about your compiler is usually worth it:RTFM (which may be hundreds of pages long).Prof. Craig C. DouglasUniversity of Kentucky andYale UniversityHiPC2003, 12/17/2003 vHPC <strong>Cache</strong> Aware Methods 32

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