I believe Geoff is working on adding AVX. I expect he’d be interested in your patches.
Simon From: [email protected] [mailto:[email protected]] On Behalf Of Carter Schonwald Sent: 13 February 2013 05:59 To: Michael Baikov Cc: [email protected] Subject: Re: Vector primops sizes Yes please! having these (for valid target arches/ CPU targets) would be really really valuable for me. On Feb 13, 2013 12:07 AM, "Michael Baikov" <[email protected]<mailto:[email protected]>> wrote: > > Recently merged vector primops support only 16 bytes operands - Int32 > x 4, Double x 2 and so on. Current AVX instructions support 256 bit > operands and with simple cut'n'paste work it's possible to support at > least Double x 4 operands. I made those changes and GHC generates > (using llvm) proper AVX code using ymm registers. Also it might make > sense to support primops for vector types larger than any currently > supported primitive types - I have those changes in my branch as well > and llvm generates pretty good code as well - those changes might be > useful to provide access for llvm shufflevector instruction or writing > high performance processing of large vectors - with less potential > overhead. > > Do we want to support larger vectors directly or ghc should be made > smart enough to fuse operations with vector primops performed in > parallel into larger vectors/registers for llvm? Do we want to provide > access to llvm shufflevector instruction? > > _______________________________________________ > ghc-devs mailing list > [email protected]<mailto:[email protected]> > http://www.haskell.org/mailman/listinfo/ghc-devs
_______________________________________________ ghc-devs mailing list [email protected] http://www.haskell.org/mailman/listinfo/ghc-devs
