On Fri, Dec 14, 2012 at 12:53:36PM -0800, Johan Tibell wrote: > > I've been tracking down a few (unrelated) performance bugs related to > conversions between primitive types. What these issues had in common > is that some rule failed to fire and the conversion went via Integer, > killing performance. How do we best write a test that make sure that > fromIntegral conversions between these types don't regress? Is it > possible to test the output of the simplifier or do we have to do > something less direct, like writing a loop that does such conversions > and make sure that the allocation stay low?
We have some tests looking at the -ddumjp-simpl output, e.g. integerConstantFolding. I'm not sure if we have one for type conversions OTTOMH. Thanks Ian _______________________________________________ Glasgow-haskell-users mailing list Glasgow-haskell-users@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
