fanju110 wrote:
The following is the Fortran benchmark test data from speccpu2006
| | Runtime without PGO (Sec) | Runtime with PGO (Sec) | Speedup |
| ------------ | ------------------------- | ---------------------- | ------- |
| 410.bwaves | 101 | 97.6 | 1.03 |
| 416.gamess | 259 | 244 | 1.06 |
| 434.zeusmp | 88.8 | 91 | 0.98 |
| 437.leslie3d | 94.7 | 94.1 | 1.01 |
| 454.calculix | 182 | 180 | 1.01 |
| 459.GemsFDTD | 176 | 187 | 0.94 |
| 465.tonto | 118 | 124 | 0.95 |
| 481.wrf | 93.4 | 91.4 | 1.02 |
* Complier: LLVM 20.1.0
* Options:
* without PGO:
* -O3 -flto -ffast-math
* with PGO:
* -O3 -flto -ffast-math -fprofile-generate
* -O3 -flto -ffast-math -fprofile-use=<dir>/file
* Hardware: 11th Gen Intel(R) Core(TM) i9-11900K @ 3.50GHz
* OS: Ubuntu20.04.6 LTS (Focal Fossa)
https://github.com/llvm/llvm-project/pull/136098
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