GHC 6.8.1 SpecConstr
stefanor at cox.net
Thu Nov 15 18:39:16 EST 2007
On Thu, Nov 15, 2007 at 09:00:18AM +0000, Simon Peyton-Jones wrote:
> Simon, Ian
> We don't have a good way to test for performance regressions, and we really, really ought to.
> Printing heap allocated, and regarding the test as failed if it get more than 2% worse might be a simple way. I'd like to have a primitive instruction count too, but that seems harder. Measuring time is no good at all.
> Quite a lot of bug reports relate to performance, and we just don't have a good way to add regression tests for them.
Perhaps instrument the bytecode interpreter? This wouldn't help with
NCG performance (obviously), but might do a fairly good job at catching
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: Digital signature
Url : http://www.haskell.org/pipermail/cvs-ghc/attachments/20071115/919bfed4/attachment.bin
More information about the Cvs-ghc