Have you read the paper by Alameldeen and Wood on this? (There may have been other coauthors.) They introduced variability by making the memory latency pseudo-random.
Steve 2008/4/9 Geoffrey Blake <[EMAIL PROTECTED]>: > I'm potentially looking for some ways to induce some non-determinism into > multiprocessor setups for M5, since currently M5 is completely > deterministic. Does anyone have any suggestions where I should start looking > to be able to do this? I'd like to measure the variance for threaded > programs over many runs. > > > > I'm thinking the best place to induce non-determinism is in bus.cc, or to > even perhaps randomly shuffle the event queue for events that need to launch > on the same tick. > > Thanks, > > Geoff > > No virus found in this outgoing message. > Checked by AVG. > Version: 7.5.519 / Virus Database: 269.22.10/1367 - Release Date: 4/9/2008 > 7:10 AM > > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >
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