16, I believe. I haven't heard of a larger min size being required. On Jun 29, 2010, at 10:24 AM, Steve Schveighoffer wrote:
> No, it should never change. If it changes, then it's a runtime value, and > that hurts performance. > > In that case, what should it be? 16 on 32-bit is a given, what about 64-bit? > > -Steve > > > > ----- Original Message ---- >> From: Sean Kelly <[email protected]> >> To: Discuss the phobos library for D <[email protected]> >> Sent: Tue, June 29, 2010 12:48:39 PM >> Subject: Re: [phobos] byte alignment for arrays >> >> I think it should be enough just to make it a documented requirement for >> allocators. It's not like it will ever change, right? > > On Jun 28, >> 2010, at 2:07 PM, Steve Schveighoffer wrote: > >> All, >> >> >> Should there be something in the runtime that defines the minimum align size >> for >> things like memory blocks? That might make this easier to deal with from a >> design perspective... >> >> ----- Original Message ---- >>> >> From: Jason Spencer < >> href="mailto:[email protected]";>[email protected]> >>> >> >>> Hmmm. The natural thing would be to have some type to >> describe these >>> 128-bit values (akin to __m128 in gcc, Intel and MS >> compilers) and use sizeof on >>> that. I don't see that D has any >> MMX/SSE intrinsics, so I don't know if >>> there is a standard >> type. If you don't have such a thing defined by the >>> compiler, >> I'd be tempted to define it, based on which version of the compiler >>> >> will compile this code (i.e. 32- or 64-bit dmd). Then you can use that in >> >>> your sizeof. Maybe you'll get lucky, and that will become >> standard >>> :) >> >> >> >> >> >> _______________________________________________ >> phobos mailing >> list >> >> href="mailto:[email protected]";>[email protected] >> >> http://lists.puremagic.com/mailman/listinfo/phobos > > _______________________________________________ > phobos >> mailing list > >> href="mailto:[email protected]";>[email protected] > >> href="http://lists.puremagic.com/mailman/listinfo/phobos"; target=_blank >>> http://lists.puremagic.com/mailman/listinfo/phobos > > > > _______________________________________________ > phobos mailing list > [email protected] > http://lists.puremagic.com/mailman/listinfo/phobos _______________________________________________ phobos mailing list [email protected] http://lists.puremagic.com/mailman/listinfo/phobos
