| Compiler | Basic report | Extensive report |
|---|---|---|
| GNU | -fopt-info |
-fopt-info-all |
| Intel | -qopt-report |
-qopt-report=5 |
| Clang | -Rpass=.* |
-Rpass=.* |
Specific reports for example with -fopt-info-loop,
-fopt-info-loop-all, -Rpass=loop*. See compiler manuals for more
details.
| Compiler | AVX2 | AVX512 | Host |
| ----------- | ------------------|------------------|
| GNU/Clang | -mavx2 | -mavx512f -mprefer-vector-width=512 | -march=native
| Intel | -xCORE-AVX2 | -xCORE-AVX512 -qopt-zmm-usage=high | -XHost |
When using OpenMP vectorization directives, OpenMP options -fopenmp (GNU/Clang) or -qopenmp
(Intel) are needed.