Benchmarking GHC

Bulat Ziganshin bulat.ziganshin at
Fri Oct 20 06:51:19 EDT 2006

Hello Simon,

Friday, October 20, 2006, 1:38:39 PM, you wrote:

>> -O2 -funbox-strict-fields
> I'm not sure that -funbox-strict-fields always improves performance,

we search for solution that improves performance ON AVERAGE

> I like

>    -O2 -fliberate-case-threshold=30

> but anything other that -O2 is really just guesswork (i.e. we haven't made any
> systematic measurements).  You might also like -funfolding-use-threshold=50.

it's something like super-O2 optimization, with a trade-off between
speed and program size

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at

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