This could depend on a lot of factors. How are you running the benchmarks? E.g., running SPEC 2k6's gcc to completion with the train input set in FS mode yields a 6.45% miss rate for bi-mode, while the tournament predictor yields a 7.12% miss rate.
Anthony Gutierrez http://web.eecs.umich.edu/~atgutier On Wed, Jul 2, 2014 at 4:37 PM, Zi Yan via gem5-dev <gem5-dev@gem5.org> wrote: > Hi, > > I just updated gem5-dev and got bi-mode as ARM's default > branch predictor. > > I got mis-prediction rate > (system.cpu.branchPred.condIncorrect/system.cpu.branchPred.condPredicted) > ranging from 10% to 60%, whereas I saw mis-prediction rate ranging > from 1% to 9% with tournament for SPEC CPU 2006 benchmarks. > > Should I expect this from bi-mode? > > Thanks. > > -- > Best Regards > Yan Zi > _______________________________________________ > gem5-dev mailing list > gem5-dev@gem5.org > http://m5sim.org/mailman/listinfo/gem5-dev > _______________________________________________ gem5-dev mailing list gem5-dev@gem5.org http://m5sim.org/mailman/listinfo/gem5-dev
