Author: Tom Kerrigan
Date: 12:48:23 12/06/01
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On December 05, 2001 at 19:19:35, Dann Corbit wrote: >On December 05, 2001 at 18:54:35, Pham Minh Tri wrote: > >>Hi all, >>Someone could know exactly how many processor's cirlces for some functions (e.g, >>eval). I am curious how to measure? > >By circles, I assume you mean cycles. > >You can get an approximation by having your compiler emit assembly for the >function you are interested in. Then count the cycles for each operation. Man, if you thought counting cycles on a 486 was hard, I can't wait to see somebody try for a chip that has 20 pipeline stages, a trace cache, n-many variables determining memory latency, etc. ;) -Tom
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