[ExecuTorch][Export][1/N] Export API pipeline re-architecture, making it composable#13055
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… it composable Pull Request resolved: #12936 RFC: #12660 This diff introduces composable architecture for the export pipeline. Changes: 1. Introduces notion of `PipelineArtifact` which encompasses stage artifacts and run context necessary to execute a stage and the pipeline. 1. Move all stages to new file to better architect the component 1. Export api will now accept `pipeline_stages` and honors the sequence if provided otherwise fallback to default sequence: `source_transform -> quantize -> torch.export -> to_edge_transform_and_lower -> to_executorch` 1. Validate if pipeline provided is valid, error out if not. 1. Add unittests to test pipeline sequence and stages With this one can execute a partial pipeline, for example, one can just do `TORCH_EXPORT -> TO_EDGE_TRANSFORM_AND_LOWER -> TO_EXECUTORCH` Current limitation: 1. `TORCH_EXPORT` stage is mandatory to avoid someone passing incorrect input such as `ExportedProgram` instead of nn.module, this enforcement will anchor the pipeline to have expected stages to run. - This limitation will be removed if we choose to add the support to take `ExportedProgram` as input. ## Default usage ``` recipe = ExportRecipe.get_recipe( XNNPackRecipeType.INT8_DYNAMIC_ACT_INT4_WEIGHT_PER_CHANNEL, group_size=32) export(eager_model, example_inputs, dynamic_shapes, recipe) ``` All default steps are run, `SOURCE_TRANSFORM -> QUANTIZE -> TORCH_EXPORT -> TO_EDGE_TRANSFORM_AND_LOWER -> TO_EXECUTORCH` ## Custom pipeline through recipe ``` recipe = ExportRecipe.get_recipe( XNNPackRecipeType.INT8_DYNAMIC_ACT_INT4_WEIGHT_PER_CHANNEL, group_size=32) # override stages (just for demonstration, usually recipe carries the stages that it wants to run) recipe.pipeline_stages = [ StageType.SOURCE_TRANSFORM, StageType.TORCH_EXPORT, StageType.TO_EDGE_TRANSFORM_AND_LOWER, StageType.TO_EXECUTORCH, ] export(eager_model, example_inputs, dynamic_shapes, recipe) ``` Only steps passed in are run. Note: 1. this diff is large because I moved stages to separate file and added bunch of unittests but core functionality that is added can be reviewed in `export.py` file. CC: @digantdesai 2. Export component was supposed to mimic stages design in tester and now it is. Fixes: #12928 ghstack-source-id: 300019404 @exported-using-ghexport Differential Revision: [D79120574](https://our.internmc.facebook.com/intern/diff/D79120574/)
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/13055
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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: #12937 by @abhinaykukkadapu ^ 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/abhinaykukkadapu/2/base ghstack PR head: https://github.com/pytorch/executorch/tree/gh/abhinaykukkadapu/2/head Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/abhinaykukkadapu/1/orig Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/abhinaykukkadapu/2/orig @diff-train-skip-merge Co-authored-by: Abhinay Kukkadapu <abhinayk@meta.com>
Co-authored-by: Abhinay Kukkadapu <abhinayk@meta.com>
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… it composable (pytorch#13055) Co-authored-by: Abhinay Kukkadapu <abhinayk@meta.com> Co-authored-by: Gasoonjia <gasoonjia@meta.com>
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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: #12936 by @abhinaykukkadapu
^ 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/abhinaykukkadapu/1/base
ghstack PR head: https://github.com/pytorch/executorch/tree/gh/abhinaykukkadapu/1/head
Merge bot PR base: https://github.com/pytorch/executorch/tree/main
Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/abhinaykukkadapu/1/orig
@diff-train-skip-merge