-optc-O2 considered useful

Neil Mitchell ndmitchell at gmail.com
Fri May 16 08:00:20 EDT 2008


> As for the specific issue of whether we should turn on -fstrictness with
> -O0, I suspect the answer is that the compile-time cost would be too high.

There would also be the issue that it would increase the amount of
Haskell code which works only in GHC, which is probably a bad thing.
Would the strictness still recover the loop if they turned on
hpc/profiling? I can see many reasons why making things faster is
good, but making things asymptotically faster/less space in -O0 could
bite later.

One ticket that probably makes a big difference in -O0 is:



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