Quoting Chris Wilson (2020-07-06 21:01:54) > Overallocation is pita for having to preallocate; since we basically > have to have at least 2 PD for each level + actual span. For every vma, > even when bundling the insertions, as we don't know which entries will > be used until much later. So we almost certainly overallocate 4 PD > [16KiB system + 16KiB dma] for every single vma. Even a 15 entry stash > will be quickly exhausted; oh well.
Just a note to self, a pvec[15] is too quickly exhausted and does not hide the allocation costs. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
