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(Updated April 19, 2013, 8:26 a.m.) Review request for Default. Summary (updated) ----------------- cpu: remove local/globalHistoryBits params from branch pred Description (updated) ------- Changeset 9644:decb4c9e987a --------------------------- cpu: remove local/globalHistoryBits params from branch pred 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 (updated) ----- configs/common/O3_ARM_v7a.py 745e42ffcc802622d54e52d21a494eca9c9ee9c6 src/cpu/pred/BranchPredictor.py 745e42ffcc802622d54e52d21a494eca9c9ee9c6 src/cpu/pred/tournament.cc 745e42ffcc802622d54e52d21a494eca9c9ee9c6 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
