More aggressive dictionary removal?
Simon Peyton Jones
simonpj at microsoft.com
Thu Jan 28 12:54:41 UTC 2016
Aggressive inlining is one way, but specialisation ought to get a long way, and makes fewer copies of the specialised code.
It’s hard to help without a concrete example
From: ghc-devs [mailto:ghc-devs-bounces at haskell.org] On Behalf Of Conal Elliott
Sent: 28 January 2016 00:05
To: ghc-devs at haskell.org
Subject: More aggressive dictionary removal?
I'm looking for pointers on getting GHC to eliminate more overloading & polymorphism. I think this sort of thing mainly happens in the Specialise module. The default GHC flag settings get me a couple levels of monomorphization and dictionary removal, but I want to go further. I've tried -fspecialise-aggressively, but it didn't seem to make a difference, and I haven't found this flag described in the GHC user's guide. Anyone have pointers to more information?
Thanks, - Conal
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