[ET-VK] Consolidate shader compilation into one vkCreateComputePipelines call#11381
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…nes call Pull Request resolved: #11345 We target the QC Adreno driver implementation of Vulkan. The Vulkan API does not enforce how QC actually uses the cache. As the plural naming of `vkCreateComputePipelines` suggests, we observed that the `createInfoCount`, `pCreateInfos` and `pPipelines` arguments above allow construction of multiple compute pipelines in one invocation. We refactor ET-VK to accumulate metadata necessary for pipeline construction and invoke vkCreateComputePipelines only once. QC's implementation maximizes the cache if we create the same number of compute pipelines in fewer invocations of vkCreateComputePipelines. This decreases model load for a sample model from 1.7s to 200ms. ghstack-source-id: 288170368 Differential Revision: [D75763660](https://our.internmc.facebook.com/intern/diff/D75763660/)
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/11381
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This PR was created by the merge bot to help merge the original PR into the main branch.
ghstack PR number: #11345 by @jorgep31415
^ Please use this as the source of truth for the PR details, comments, and reviews
ghstack PR base: https://github.com/pytorch/executorch/tree/gh/jorgep31415/135/base
ghstack PR head: https://github.com/pytorch/executorch/tree/gh/jorgep31415/135/head
Merge bot PR base: https://github.com/pytorch/executorch/tree/main
Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/jorgep31415/135/orig
@diff-train-skip-merge