Switching from a mutex lock to a lock free data structure got me a 50% speedup in Pathfinder 2. Sometimes you really need those atomics.
In pcwalton/pathfinder. Pathfinder 2 is more modular; the GPU code will live in WebRender, not Pathfinder.
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Ah ok - so the lock free switch wasn't something that just happened? Went looking for the commit(s) you were referencing in the tweet
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It’s in code I haven’t pushed yet (and which will probably live in Servo).
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