[quant][pt2] Fix and rename move_model_to_eval (#108891)
#109027
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Summary: This commit fixes two silent correctness problems with the current implementation of `move_model_to_eval`: (1) Previously the user had to manually call `eliminate_dead_code` before calling `move_model_to_eval`, otherwise the dropout pattern won't actually get eliminated. This is because subgraph rewriter complains the match is not self-contained, and so silently does not do the replacement. (2) We wish to error when the user calls `model.train()` or `model.eval()` on an exported model. This error is raised correctly immediately after export today, but no longer raised after the user calls prepare or convert. We fix (1) by moving the `eliminate_dead_code` call into `move_model_to_eval`, and fix (2) by ensuring the respective errors are thrown after prepare and convert as well. Additionally, this commit renames `move_model_to_eval` to `move_exported_model_to_eval` to be more explicit. bypass-github-export-checks Test Plan: python test/test_quantization.py TestQuantizePT2E.test_disallow_eval_train python test/test_quantization.py TestQuantizePT2E.test_move_exported_model_to_eval Imported from OSS Differential Revision: D49097293 Pull Request resolved: #108891 Approved by: https://github.com/jerryzh168
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atalman
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Summary:
This commit fixes two silent correctness problems with the current implementation of
move_model_to_eval:(1) Previously the user had to manually call
eliminate_dead_codebefore callingmove_model_to_eval, otherwise the dropout pattern won't actually get eliminated. This is because subgraph rewriter complains the match is not self-contained, and so silently does not do the replacement.(2) We wish to error when the user calls
model.train()ormodel.eval()on an exported model. This error is raised correctly immediately after export today, but no longer raised after the user calls prepare or convert.We fix (1) by moving the
eliminate_dead_codecall intomove_model_to_eval, and fix (2) by ensuring the respective errors are thrown after prepare and convert as well.Additionally, this commit renames
move_model_to_evaltomove_exported_model_to_evalto be more explicit.Test Plan:
python test/test_quantization.py TestQuantizePT2E.test_disallow_eval_train
python test/test_quantization.py TestQuantizePT2E.test_move_exported_model_to_eval
Imported from OSS
Differential Revision: D49097293
Pull Request resolved: #108891
Approved by: https://github.com/jerryzh168
cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @Xia-Weiwen @wenzhe-nrv @jiayisunx @peterbell10 @ipiszy @ngimel @yf225 @chenyang78 @kadeng @muchulee8 @aakhundov