> On 03/10/2010 07:41 PM, Paul Brook wrote: > >>> You're much better off using a bulk-data transfer API that relaxes > >>> coherency requirements. IOW, shared memory doesn't make sense for TCG > >> > >> Rather, tcg doesn't make sense for shared memory smp. But we knew that > >> already. > > > > In think TCG SMP is a hard, but soluble problem, especially when you're > > running guests used to coping with NUMA. > > Do you mean by using a per-cpu tlb? These kind of solutions are > generally slow, but tcg's slowness may mask this out.
Yes. > > TCG interacting with third parties via shared memory is probably never > > going to make sense. > > The third party in this case is qemu. Maybe. But it's a different instance of qemu, and once this feature exists I bet people will use it for other things. Paul
