Arnold Renderer : Avoid mutex lock in ProceduralRenderer #5513
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This knocks around 30% off the runtime of `ArnoldRenderTest.testInstancerEncapsulatePerf` in PR GafferHQ#5453, testing with 64 threads.
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LGTM. And I'm seeing more significant perf improvements in my testing, up to 3X. |
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As suggested by @danieldresser-ie in a discussion yesterday. This knocks around 30% off the runtime of
ArnoldRenderTest.testInstancerEncapsulatePerfin PR #5453, testing with 64 threads.