[dynamo] Add debug_dynamo_config_override support#176734
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[dynamo] Add debug_dynamo_config_override support#176734desertfire wants to merge 1 commit intogh/desertfire/665/basefrom
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Add per-graph dynamo config overrides, mirroring the existing debug_inductor_config_override. Set via TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS env var or config.debug_dynamo_config_override. The override is applied as a config.patch context manager around the entire compile_frame call, so dynamo config is patched for all tracing and backend compilation within that frame. Warn when TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS is set, since dynamo config overrides are keyed by frame ID and some configs can affect graph breaks, shifting frame IDs. Authored with Claude. [ghstack-poisoned]
🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/176734
Note: Links to docs will display an error until the docs builds have been completed. ✅ You can merge normally! (7 Unrelated Failures)As of commit 2929e63 with merge base 3258b18 ( FLAKY - The following jobs failed but were likely due to flakiness present on trunk:
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Mar 12, 2026
Add per-graph dynamo config overrides, mirroring the existing debug_inductor_config_override. Set via TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS env var or config.debug_dynamo_config_override. The override is applied as a config.patch context manager around the entire compile_frame call, so dynamo config is patched for all tracing and backend compilation within that frame. Warn when TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS is set, since dynamo config overrides are keyed by frame ID and some configs can affect graph breaks, shifting frame IDs. Authored with Claude. ghstack-source-id: f021929 Pull Request resolved: pytorch/pytorch#176734
pytorchmergebot
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Mar 14, 2026
Validate config keys at parse time for both dynamo and inductor overrides, surfacing typos as clear ValueErrors instead of deep InternalTorchDynamoError stack traces. Authored with Claude. Pull Request resolved: #176735 Approved by: https://github.com/williamwen42 ghstack dependencies: #176734
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Mar 30, 2026
Add per-graph dynamo config overrides, mirroring the existing debug_inductor_config_override. Set via TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS env var or config.debug_dynamo_config_override. The override is applied as a config.patch context manager around the entire compile_frame call, so dynamo config is patched for all tracing and backend compilation within that frame. Warn when TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS is set, since dynamo config overrides are keyed by frame ID and some configs can affect graph breaks, shifting frame IDs. Authored with Claude. Pull Request resolved: pytorch#176734 Approved by: https://github.com/williamwen42
EmanueleCoradin
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Mar 30, 2026
Validate config keys at parse time for both dynamo and inductor overrides, surfacing typos as clear ValueErrors instead of deep InternalTorchDynamoError stack traces. Authored with Claude. Pull Request resolved: pytorch#176735 Approved by: https://github.com/williamwen42 ghstack dependencies: pytorch#176734
AaronWang04
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Mar 31, 2026
Validate config keys at parse time for both dynamo and inductor overrides, surfacing typos as clear ValueErrors instead of deep InternalTorchDynamoError stack traces. Authored with Claude. Pull Request resolved: pytorch#176735 Approved by: https://github.com/williamwen42 ghstack dependencies: pytorch#176734
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Stack from ghstack (oldest at bottom):
Add per-graph dynamo config overrides, mirroring the existing
debug_inductor_config_override. Set via TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS
env var or config.debug_dynamo_config_override. The override is applied as a
config.patch context manager around the entire compile_frame call, so dynamo
config is patched for all tracing and backend compilation within that frame.
Warn when TORCH_COMPILE_OVERRIDE_DYNAMO_CONFIGS is set, since dynamo
config overrides are keyed by frame ID and some configs can affect graph
breaks, shifting frame IDs.
Authored with Claude.
cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @kadeng @chauhang @amjames @Lucaskabela @jataylo @mlazos