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vkCreateGraphicsPipelines performance in 16.9.1

Question asked by dutta on Sep 12, 2016
Latest reply on Sep 13, 2016 by dutta



When I upgraded my drivers from 16.8.1 to 16.9.1, the Vulkan implementation I am writing plummeted from a ~4-6 ms frame time to 76 ms. It seems that sometimes, vkCreateGraphicsPipelines takes up to 25 ms to complete, and the performance is the same with a pipeline cache as without, meaning that the speedup gained from using a pipeline cache seems to be lost.