On Tue, 2019-05-14 at 13:14 -0700, Richard Henderson wrote: > On 5/14/19 9:03 AM, Andrea Bolognani wrote: > > On Tue, 2019-05-14 at 14:53 +0200, Andrew Jones wrote: > > > We already have sve-max-vq, so I'm not sure we want to rename it. > > > > Oh, I didn't realize that was the case. And of course it already > > takes a number of quadwords as argument, I suppose? That's pretty > > unfortunate :( > > > > Perhaps we could consider deprecating it in favor of a user-friendly > > variant that's actually suitable for regular humans, like the one I > > suggest above? > > Why is =4 less user-friendly than =512? > > I don't actually see "total bits in vector" as more user-friendly than "number > of quadwords" when it comes to non-powers-of-2 like =7 vs =896 or =13 vs > =1664.
I would wager most people are intimately familiar with bits, bytes and multiples due to having to work with them daily. Quadwords, not so much. -- Andrea Bolognani / Red Hat / Virtualization
