There are no such thing...
There are no such thing...
Posted Nov 14, 2011 2:10 UTC (Mon) by rsidd (guest, #2582)In reply to: There are no such thing... by endecotp
Parent article: Open64 5.0 released
It's not that -O3 is buggy (it can be but usually isn't) - it's that -O3's additional optimisations are not always of benefit. Source - gcc docs. On my code I find no significant speed difference in -O2 and -O3.