[commit: ghc] master: Set default-impl of `mapM`/`sequence` methods to `traverse`/`sequenceA` (f636faa)

[Joachim Breitner]

Hi,


Am Samstag, den 27.09.2014, 21:07 +0000 schrieb git at git.haskell.org:
> commit f636faa7b2b7fc1d0663f994ad08f365d39a746d
> Author: Herbert Valerio Riedel <hvr at gnu.org>
> Date:   Sat Sep 27 22:55:19 2014 +0200
> 
>     Set default-impl of `mapM`/`sequence` methods to `traverse`/`sequenceA`
>     
>     This is made possible by the AMP, as we don't need the `WrappedMonad`
>     helper for that anymore.

according to 
http://ghcspeed-nomeata.rhcloud.com/changes/?rev=f636faa7b2b7fc1d0663f994ad08f365d39a746d&exe=2&env=nomeata%27s%20buildbot
this has caused a 11% regression in fibheaps allocation:
http://ghcspeed-nomeata.rhcloud.com/timeline/?ben=nofib/allocs/fibheaps&env=1#/?exe=2&base=2+68&ben=nofib/allocs/fibheaps&env=1&revs=50&equid=on

Greetings,
Joachim

-- 
Joachim “nomeata” Breitner
  mail at joachim-breitner.de • http://www.joachim-breitner.de/
  Jabber: nomeata at joachim-breitner.de  • GPG-Key: 0xF0FBF51F
  Debian Developer: nomeata at debian.org

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: This is a digitally signed message part
URL: <http://www.haskell.org/pipermail/ghc-devs/attachments/20140929/8d753259/attachment-0001.sig>