23 Feb
2004
23 Feb
'04
5:15 p.m.
Hrm, I am going to do some new test tonight. I think my test environment may have been bad... Jeremy Shaw. At Mon, 23 Feb 2004 13:37:45 -0800, Mike Gunter wrote:
Hmmm. With -O2 on GHC 6.2, I get 0.177s, 0.217s, and 0.348s for your three Haskell examples and 0.187s (with gcc -O2) for your C example. The output of -ddump-simpl for the looks perfect for the second Haskell example. My GHC seems to be doing a bang-up job here. What's wrong with yours? (For the third example GHC's code could be improved by additional inlining or hoisting of a constant array outside of the loop.)
mike