Originally posted by waxhead
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New Heterogeneous Memory Management For Linux, Will Be Supported By NVIDIA/Nouveau
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Originally posted by robclark View Post
fair 'nuf :-P
to c117152:
There is a time and a place for optimizing sw explicitly for a single purpose on a single hw platform. And yeah, you can extract out that last bit of perf by pinning all your pages and explicitly controlling what data lives in what memory when, using hand written asm, etc.
But there are a lot of cases where you want some sw to run on a lot of different hw platforms but not economically feasible to hand-tune for each one, yet you still want to get the benefit of gpu offload when possible, since while that might be 10% slower (made up number) than something specifically tuned for some particular hw, it is still a lot faster than the alternative ;-)
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