nofib benchmarks for measuring the effects of compiler optimizations

Hi, I'm interested in looking at the effects on performance of various compiler optimizations in GHC. I ran the nofib benchmarks against the stable branch to get a feel for some very simple results. In my measurements I only saw a maximum of 2.8% difference in runtime when using -O0 and -

[nightly] 08-Oct-2009 build of HEAD on x86_64-unknown-linux (cam-04-unx.europe.corp.microsoft.com)

Build description = HEAD on x86_64-unknown-linux (cam-04-unx.europe.corp.microsoft.com) Build location= /64playpen/simonmar/nightly/HEAD-cam-04-unx Build config file = /home/simonmar/nightly/site/msrc/conf-HEAD-cam-04-unx Nightly build started on cam-04-unx at Thu Oct 8 19:00:01 BST 2009. ***

patch applied (ghc): Remove FP_MINGW_GCC now that we use an in-tree gcc

Thu Oct 8 08:34:12 PDT 2009 Ian Lynagh * Remove FP_MINGW_GCC now that we use an in-tree gcc M ./aclocal.m4 -14 M ./configure.ac -1 View patch online: http://darcs.haskell.org/ghc/_darcs/patches/20091008153412-3fd76-a4d85ff907cfb346acfec76f6158731ff27b2597.gz

patch applied (ghc): Remove the windres configure check, now that we use an in-tree windres

Thu Oct 8 08:32:44 PDT 2009 Ian Lynagh * Remove the windres configure check, now that we use an in-tree windres M ./aclocal.m4 -39 M ./configure.ac -3 View patch online: http://darcs.haskell.org/ghc/_darcs/patches/20091008153244-3fd76-0031a23089db1af91ebd59b379faba4058e7efe7.gz

patch applied (ghc): Fix configure on non-Windows

Thu Oct 8 08:10:45 PDT 2009 Ian Lynagh * Fix configure on non-Windows M ./configure.ac -1 +1 View patch online: http://darcs.haskell.org/ghc/_darcs/patches/20091008151045-3fd76-1c7afcc1ecdce035948a18eca80f696a9773f123.gz ___ Cvs-ghc mailing li

patch applied (ghc): Refactor configure to fix building on msys

Thu Oct 8 08:03:45 PDT 2009 Ian Lynagh * Refactor configure to fix building on msys M ./aclocal.m4 -36 +2 M ./configure.ac -35 +48 View patch online: http://darcs.haskell.org/ghc/_darcs/patches/20091008150345-3fd76-5def748ac21ba969afa485a95889944708d229ca.gz

Re: Redundant specialise pragmas

On Thu, Oct 08, 2009 at 03:58:40PM +0100, Duncan Coutts wrote: > > Ian will need to hasten the switch over from the tarball back to the > repo before this warning becomes fatal. Or you could make a .1 release, and we can update to that tarball. > I think he was hoping to do that > slowly so that

Re: Redundant specialise pragmas

On Thu, 2009-10-08 at 13:11 +, Simon Peyton-Jones wrote: > Duncan, Don > > GHC will soon start warning about redundant SPECIALISE pragmas. A few > weeks ago, I mentioned that bytestring has two such examples. Could > you remove them from the upstream bytestring, please? Otherwise we > won't

Redundant specialise pragmas

Duncan, Don GHC will soon start warning about redundant SPECIALISE pragmas. A few weeks ago, I mentioned that bytestring has two such examples. Could you remove them from the upstream bytestring, please? Otherwise we won't be able to validate. Thanks libraries/bytestring/Data/ByteString/In

[nightly] 07-Oct-2009 build of HEAD on i386-unknown-linux (cam-02-unx.europe.corp.microsoft.com)

Build description = HEAD on i386-unknown-linux (cam-02-unx.europe.corp.microsoft.com) Build location= /playpen/simonmar/nightly/HEAD Build config file = /home/simonmar/nightly/site/msrc/conf-HEAD-cam-02-unx Nightly build started on cam-02-unx at Wed Oct 7 18:00:01 BST 2009. checking out

Daily report for head

Build results: x86-64 Linux head: pass x86 Windows head fast: pass pass sparky head: pass x86-64 Linux head unreg: pass Old unexpected test passes: length001 1 tnaur x86 OS X head unicode001 1 kili head unicode002 1 kili head Fixed unexpected test failures:

Daily report for stable

Build results: kgardas stable: fail (failed boot) tnaur PPC OSX stable 2: fail (failed compile) tnaur x86 OS X stable: pass x86 Linux stable:pass x86 Windows stable fast: pass pass x86-64 Linux stable: pass Old unexpected test passes: length001 1 tnaur x86 OS X stabl