Stanislav Blinov:
ldc2 -release -O3 -disable-boundscheck -vectorize -vectorize-loops
All my versions of ldc2 don't even accept -vectorize :-)ldc2: Unknown command line argument '-vectorize'. Try: 'ldc2 -help'
ldc2: Did you mean '-vectorize-slp'?And -vectorize-loops should be active on default on recent versions of ldc2 (including V.0.12.1), and indeed I see no performance difference in using it.
Bye, bearophile