[PATCH] D105996: [AArch64] Enable Upper bound unrolling universally

JinGu Kang via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jul 30 10:00:57 PDT 2021


jaykang10 added a comment.

On ThunderX2, the scores from SPEC2017 are as below.

  spec2017		
  Ofast		score improvement(%)
  500.perlbench_r		0.794469107
  502.gcc_r		-0.113128593
  505.mcf_r		-0.299424705
  520.omnetpp_r		-0.111756111
  523.xalancbmk_r		-0.056942476
  525.x264_r		-0.005589718
  531.deepsjeng_r		0.006257447
  541.leela_r		-0.064192085
  557.xz_r		0.919346409
  		
  		
  spec2017		
  O3 lto		score improvement(%)
  500.perlbench_r		-0.772206292
  502.gcc_r		-0.015262341
  505.mcf_r		0.517061187
  520.omnetpp_r		0.456657306
  523.xalancbmk_r		0.914423559
  525.x264_r		-0.287806217
  531.deepsjeng_r		0.254324778
  541.leela_r		0.01651545
  557.xz_r		-0.40528841


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D105996/new/

https://reviews.llvm.org/D105996



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