+1. Windows XP was Microsoft's most successful OS thus far, but it's pretty much dead now. One potentially related potential concern: how will this change affect Wine support?
On Fri, Nov 7, 2014 at 1:16 PM, Austin Seipp <aus...@well-typed.com> wrote: > Hi all, > > This is a quick discussion about the current system requirements for > Windows builds. > > Spurred by a recent[1] LLVM discussion, I'd like to raise the question > of dropping support for Windows XP, and bumping the minimum required > version to Windows Vista or even Windows 7. > > For one, Microsoft doesn't support XP anymore, so most people are > moving off it anyway. 'Soon' even XP Embedded will be obsoleted. > > But second, Vista and beyond introduced useful new APIs we could use. > I was digging through the LLVM thread and two came out to me: > > 1) We could switch to using slim reader/writer locks, which in some > workloads may work out better than critical sections (they'll win on > more read-heavy workloads). The downsides is there's no recursive > locking but we don't use that anyway (and recursive locks are > considered bad by many anyway[2]). > > 2) We could probably use an actual condition variables API that was > introduced with Vista. Currently we use a giant EVENT object to > emulate the API, which could be replaced with the real deal. > > Both of these could be nice wins for simplicity and performance I think. > > I know there are some corporate users out there who this may impact, > and users as well. I'd like to know what people think. Particularly > what version we should standardize on. > > FWIW, I don't plan on changing any of this until the 7.12 release at least. > > [1] http://article.gmane.org/gmane.comp.compilers.llvm.devel/78419 > [2] http://www.zaval.org/resources/library/butenhof1.html > > -- > Regards, > > Austin Seipp, Haskell Consultant > Well-Typed LLP, http://www.well-typed.com/ > _______________________________________________ > Glasgow-haskell-users mailing list > glasgow-haskell-us...@haskell.org > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users >
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