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[Autotuner] Better error message for default config error #1092

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Merged
merged 1 commit into from
Nov 6, 2025
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[Autotuner] Better error message for default config error #1092

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2 changes: 2 additions & 0 deletions helion/autotuner/base_search.py
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Original file line number Diff line number Diff line change
Expand Up @@ -193,6 +193,8 @@ def _compute_baseline(self) -> tuple[object, bool, Sequence[object] | None]:
"Default config failed while computing baseline.\n"
f"Default config: {decorator}\n"
f"{SUPPRESSED_TRITON_CODE_MSG}\n"
"To work around this error, you could set `@helion.kernel(autotune_baseline_fn=...)` "
"to provide a custom baseline function (e.g. PyTorch eager implementation of your kernel)."
) from e

original_args_flat, _ = tree_flatten(self._original_args)
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