3 ms·
Maybe it could use a different heuristic in O2? Depending on the function it's vital to have autovectorization for performance. Neither -O3 nor -O2 are perfect
by kzrdude 5y ago
Maybe it could use a different heuristic in O2? Depending on the function it's vital to have autovectorization for performance. Neither -O3 nor -O2 are perfect as a blanket option for all the functions in a big program.