[PATCH] D15792: [AArch64] Turn off PredictableSelectIsExpensive on the Cortex-A57

[Junmo Park via llvm-commits]

flyingforyou added a comment.

For more clarity, attached row datas.
I ran some benchmarks against http://reviews.llvm.org/differential/diff/43669/. (Base Revision: r256406)
Env: Juno, Cortex-A57 1.1Ghz
Test: Execute each benchmark 4 times and get average.

in Spec2000, 2006 :

| Program                                              | Opt/Ori |
| External/SPEC/CFP2000/177.mesa/177.mesa              | 100.83% |
| External/SPEC/CFP2000/179.art/179.art                | 97.09%  |
| External/SPEC/CFP2000/183.equake/183.equake          | 99.97%  |
| External/SPEC/CFP2000/188.ammp/188.ammp              | 100.99% |
| External/SPEC/CFP2006/433.milc/433.milc              | 100.11% |
| External/SPEC/CFP2006/444.namd/444.namd              | 99.64%  |
| External/SPEC/CFP2006/447.dealII/447.dealII          | 100.71% |
| External/SPEC/CFP2006/450.soplex/450.soplex          | 100.00% |
| External/SPEC/CFP2006/470.lbm/470.lbm                | 99.61%  |
| External/SPEC/CINT2000/164.gzip/164.gzip             | 100.22% |
| External/SPEC/CINT2000/175.vpr/175.vpr               | 100.63% |
| External/SPEC/CINT2000/176.gcc/176.gcc               | 101.28% |
| External/SPEC/CINT2000/181.mcf/181.mcf               | 100.55% |
| External/SPEC/CINT2000/186.crafty/186.crafty         | 101.02% |
| External/SPEC/CINT2000/197.parser/197.parser         | 100.10% |
| External/SPEC/CINT2000/254.gap/254.gap               | 100.60% |
| External/SPEC/CINT2000/255.vortex/255.vortex         | 100.88% |
| External/SPEC/CINT2000/256.bzip2/256.bzip2           | 99.90%  |
| External/SPEC/CINT2000/300.twolf/300.twolf           | 100.00% |
| External/SPEC/CINT2006/400.perlbench/400.perlbench   | 100.26% |
| External/SPEC/CINT2006/401.bzip2/401.bzip2           | 99.38%  |
| External/SPEC/CINT2006/403.gcc/403.gcc               | 101.02% |
| External/SPEC/CINT2006/429.mcf/429.mcf               | 100.61% |
| External/SPEC/CINT2006/445.gobmk/445.gobmk           | 99.39%  |
| External/SPEC/CINT2006/456.hmmer/456.hmmer           | 98.86%  |
| External/SPEC/CINT2006/458.sjeng/458.sjeng           | 100.83% |
| External/SPEC/CINT2006/462.libquantum/462.libquantum | 100.59% |
| External/SPEC/CINT2006/464.h264ref/464.h264ref       | 100.04% |
| External/SPEC/CINT2006/471.omnetpp/471.omnetpp       | 100.79% |
| External/SPEC/CINT2006/473.astar/473.astar           | 100.27% |
| External/SPEC/CINT2006/483.xalancbmk/483.xalancbmk   | 100.00% |
| Geomean                                              | 100.20% |

in test-suite (225 benchmarks) :

| Geomean | 99.94% |

Junmo.


http://reviews.llvm.org/D15792