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(Updated Feb. 22, 2014, 3:34 p.m.) Review request for Default. Repository: gem5 Description ------- Changeset 10087:1c31282d70a0 --------------------------- arm: make the bi-mode predictor the default for O3_ARM_v7a_BP the branch predictor used in the Cortex-A15 is a bi-mode style predictor, see: http://arm.com/files/pdf/at-exploring_the_design_of_the_cortex-a15.pdf and http://nvidia.com/docs/IO/116757/NVIDIA_Quad_a15_whitepaper_FINALv2.pdf this patch makes the bi-mode predictor the default for the ARM O3 CPU. Diffs ----- configs/common/O3_ARM_v7a.py 2beea2a439b43bf95bc040198322d4869b07f4f3 Diff: http://reviews.gem5.org/r/2170/diff/ Testing (updated) ------- Ran several of the SPEC CPU2006 benchmarks with the default tournament predictor and this bi-mode predictor. With this patch, the branch miss statistics are more accurate when compared to a VExpress board. Thanks, Anthony Gutierrez _______________________________________________ gem5-dev mailing list [email protected] http://m5sim.org/mailman/listinfo/gem5-dev
