Introduce MultimethodLoraConfig#17230
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Pull request overview
This PR introduces MultimethodLoraConfig, a new configuration class that enables exporting multiple methods (e.g., base model and LoRA variants) to a single .pte file. This is part of a larger stack adding multimethod support to the LLM export pipeline.
Changes:
- Added
Dictto typing imports to support the new configuration structure - Introduced
MultimethodLoraConfigclass with a dictionary mapping method names to optional LoRA configurations - Integrated
MultimethodLoraConfigas a new field in theLlmConfigclass
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Differential Revision: [D92315627](https://our.internmc.facebook.com/intern/diff/D92315627/) [ghstack-poisoned]
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February 12, 2026 22:40
Differential Revision: [D92315627](https://our.internmc.facebook.com/intern/diff/D92315627/) [ghstack-poisoned]
Differential Revision: [D92315627](https://our.internmc.facebook.com/intern/diff/D92315627/) [ghstack-poisoned]
Differential Revision: [D92315627](https://our.internmc.facebook.com/intern/diff/D92315627/) [ghstack-poisoned]
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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: #17230 by @lucylq ^ 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/lucylq/133/base ghstack PR head: https://github.com/pytorch/executorch/tree/gh/lucylq/133/head Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/lucylq/132/orig Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/lucylq/133/orig Differential Revision: [D92315627](https://our.internmc.facebook.com/intern/diff/D92315627/) @diff-train-skip-merge --------- Co-authored-by: Github Executorch <github_executorch@arm.com> Co-authored-by: lucylq <lfq@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: pytorch#17230 by @lucylq ^ 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/lucylq/133/base ghstack PR head: https://github.com/pytorch/executorch/tree/gh/lucylq/133/head Merge bot PR base: https://github.com/pytorch/executorch/tree/gh/lucylq/132/orig Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/lucylq/133/orig Differential Revision: [D92315627](https://our.internmc.facebook.com/intern/diff/D92315627/) @diff-train-skip-merge --------- Co-authored-by: Github Executorch <github_executorch@arm.com> Co-authored-by: lucylq <lfq@meta.com>
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Differential Revision: D92315627