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Review request for Default. Description ------- Changeset 9638:a6f41842a5ed --------------------------- branch pred: get rid of local/globalHistoryBits params having separate params for the local/globalHistoryBits and the local/globalPredictorSize can lead to inconsistencies if they are not carefully set. this patch dervies the number of bits necessary to index into the local/global predictors based on their size. the value of the localHistoryTableSize for the ARM O3 CPU has been increased to 1024 from 64, which is more accurate for an A15 based on some correlation against A15 hardware. Diffs ----- configs/common/O3_ARM_v7a.py c22628fa25646077ed4f18a811f348b47a64bd5d src/cpu/pred/BranchPredictor.py c22628fa25646077ed4f18a811f348b47a64bd5d src/cpu/pred/tournament.cc c22628fa25646077ed4f18a811f348b47a64bd5d Diff: http://reviews.gem5.org/r/1827/diff/ Testing ------- Thanks, Anthony Gutierrez _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
