Remove CheckerPass from ort_fusion (#2560)

justinchuby · web-flow · commit 92633a694a3c · 2025-09-12T22:55:37.000Z
Since onnxruntime defines `SimplifiedLayerNormalization` incorrectly in
the standard domain, the checker will fail.

Fixing this for Olive.
diff --git a/onnxscript/rewriter/ort_fusions/_core.py b/onnxscript/rewriter/ort_fusions/_core.py
@@ -150,7 +150,6 @@ def optimize_for_ort(
         common_passes.LiftConstantsToInitializersPass(lift_all_constants=False, size_limit=1),
         common_passes.RemoveInitializersFromInputsPass(),
         common_passes.ShapeInferencePass(),
-        common_passes.CheckerPass(),
     )
     assert passes.in_place
     result = passes(model)

Original file line number	Diff line number	Diff line change
`@@ -150,7 +150,6 @@ def optimize_for_ort(`
`150`	`150`	`common_passes.LiftConstantsToInitializersPass(lift_all_constants=False, size_limit=1),`
`151`	`151`	`common_passes.RemoveInitializersFromInputsPass(),`
`152`	`152`	`common_passes.ShapeInferencePass(),`
`153`		`- common_passes.CheckerPass(),`
`154`	`153`	`)`
`155`	`154`	`assert passes.in_place`
`156`	`155`	`result = passes(model)`