wangpc-pp wrote: > > and the measurement data still stands for RISCV. > > Please give the measurement data in this review or a direct link to it. I > tried searching for it, and did not immediately find it.
It's in the Phabricator link (https://reviews.llvm.org/D138990): > The headline numbers are these for SPEC2017 on a Neoverse N1: > > 500.perlbench_r -0.12% > 502.gcc_r 0.02% > 505.mcf_r 6.02% > 520.omnetpp_r 0.32% > 523.xalancbmk_r 0.20% > 525.x264_r 0.02% > 531.deepsjeng_r 0.00% > 541.leela_r -0.09% > 548.exchange2_r 0.00% > 557.xz_r -0.20% > > Running benchmarks with a combination of the llvm-test-suite plus several > versions of SPEC gave between a 0.2% and 0.4% geomean improvement depending > on the core/run. The instruction count went down by 0.1% too. The performance gain is related to core implementation. For RISCV, the subtarget feature `FeatureEnableSelectOptimize` can be appended to tune features if it's beneficial. https://github.com/llvm/llvm-project/pull/80124 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
