On Wed, 2008-05-14 at 19:08 +0200, Jerome Glisse wrote: > I don't have number or benchmark to check how fast pread/pwrite path might > be in this use so i am just expressing my feeling which happen to just be > to avoid vma tlb flush as most as we can.
For batch buffers, pwrite is 3X faster than map/write/unmap, at least as measured by that most estimable benchmark 'glxgears'. Take that with as much skepticism as it deserves. -- [EMAIL PROTECTED]
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