
8 Jun
2007
8 Jun
'07
8:52 a.m.
Donald Bruce Stewart wrote:
Some things to remember using Doubles:
* {-# OPTIONS -fexcess-precision #-} * -fvia-C * -fbang-patterns * -optc-O2 -optc-mfpmath=sse -optc-msse2 * -optc-march=pentium4
1. What do all those things do? 2. Is the effect actually that large?