On 10/04/15 11:01, Peter Maydell wrote: > On 10 April 2015 at 10:11, Marc Zyngier <marc.zyngier@xxxxxxx> wrote: >> I did some experimentations on arm64 a long while ago (see the >> kvm-arm64/lazy-fp branch in my tree), and it wasn't that great, >> apparently because aarch64 userspace tends to be much more FP happy than >> aarch32, but I'm not completely sure about it. > > Was that with the buggy version of the toolchain that had > incorrect costs and so was much more inclined to spill > integer values into the FPU than it should have been? > It might be worth retesting with a freshly compiled > userspace some day... It definitely was with a very old toolchain and an even older userspace. I'll respin the branch when I get some thime. Thanks, M. -- Jazz is not dead. It just smells funny... -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
