Create initializers with the constant folding pass #2598

justinchuby · 2025-10-03T05:32:35Z

Also Create default values for the constant folding pass

Signed-off-by: Justin Chu <justinchuby@users.noreply.github.com>

codecov · 2025-10-03T05:35:13Z

❌ 31 Tests Failed:

Tests completed	Failed	Passed	Skipped
3983	31	3952	5403

View the top 3 failed test(s) by shortest run time

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_add

Stack Traces | 0.003s run time

onnxscript/optimizer/_constant_folding_test.py:38: in test_fold_add
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'four' of node: 
E   name:  OpType: Mul
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_if_propagate

Stack Traces | 0.003s run time

onnxscript/optimizer/_constant_folding_test.py:156: in test_fold_if_propagate
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'zero_cast' of node: 
E   name:  OpType: Equal
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_if_cond

Stack Traces | 0.004s run time

onnxscript/optimizer/_constant_folding_test.py:105: in test_fold_if_cond
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'zero_cast' of node: 
E   name:  OpType: Equal
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_shape

Stack Traces | 0.004s run time

onnxscript/optimizer/_constant_folding_test.py:69: in test_fold_shape
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'two_float' of node: 
E   name:  OpType: Add
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_input_size_limit

Stack Traces | 0.004s run time

onnxscript/optimizer/_constant_folding_test.py:615: in test_input_size_limit
    optimized = self._fold(model, input_size_limit=256 * 256, output_size_limit=256 * 256)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'w_squared' of node: 
E   name:  OpType: Add
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_shape_inference

Stack Traces | 0.005s run time

onnxscript/optimizer/_constant_folding_test.py:211: in test_shape_inference
    optimized = self._fold(model, onnx_shape_inference=True)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'cond' of node: 
E   name:  OpType: If
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_inside_if_branch

Stack Traces | 0.008s run time

onnxscript/optimizer/_constant_folding_test.py:130: in test_fold_inside_if_branch
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'temp' of node: 
E   name:  OpType: Mul
E    is not output of any previous nodes.
E   
E   ==> Context: Bad node spec for node. Name:  OpType: If

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_shape_slice

Stack Traces | 0.008s run time

onnxscript/optimizer/_constant_folding_test.py:85: in test_fold_shape_slice
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'two_float' of node: 
E   name:  OpType: Add
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_fold_cast_like

Stack Traces | 0.009s run time

onnxscript/optimizer/_constant_folding_test.py:53: in test_fold_cast_like
    optimized = self._fold(model)
                ^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Nodes in a graph must be topologically sorted, however input 'two_float' of node: 
E   name:  OpType: Add
E    is not output of any previous nodes.

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_transpose_is_always_folded

Stack Traces | 0.012s run time

onnxscript/optimizer/_constant_folding_test.py:634: in test_transpose_is_always_folded
    optimized = self._fold(model, input_size_limit=1)
                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Graph output 'z' is not an output of any node in graph.

onnxscript.optimizer._function_folding_test.FunctionFoldingTest::test_fold_nested_if_function_succeeds

Stack Traces | 0.038s run time

onnxscript/optimizer/_function_folding_test.py:155: in test_fold_nested_if_function_succeeds
    self.assertNotIn("If", {n.op_type for n in optimized.graph})
E   AssertionError: 'If' unexpectedly found in {'If'}

onnxscript.rewriter.ort_fusions.gelu_test.GeluFusionTest::test_gelu_fusion

Stack Traces | 0.059s run time

.../rewriter/ort_fusions/gelu_test.py:44: in test_gelu_fusion
    original_output = test_utils.ort_run("Original", model, input)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'const_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.cos_sin_cache_test.TestCosSinCacheTransform::test_cos_sin_fusion_1_test_case_1

Stack Traces | 0.163s run time

..../test/lib/python3.11.../site-packages/parameterized/parameterized.py:620: in standalone_func
    return func(*(a + p.args), **p.kwargs, **kw)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/cos_sin_cache_test.py:45: in test_cos_sin_fusion
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'inv_freq_3d' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.cos_sin_cache_test.TestCosSinCacheTransform::test_cos_sin_fusion_2_test_case_2

Stack Traces | 0.333s run time

..../test/lib/python3.11.../site-packages/parameterized/parameterized.py:620: in standalone_func
    return func(*(a + p.args), **p.kwargs, **kw)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/cos_sin_cache_test.py:45: in test_cos_sin_fusion
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'inv_freq_3d' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.mha_test.TestMultiHeadAttention::test_whisper_encoder

Stack Traces | 0.41s run time

.../rewriter/ort_fusions/mha_test.py:58: in test_whisper_encoder
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'encoder_encoder_conv1_bias_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.gqa_test.GQAFusionTest::test_fusion

Stack Traces | 0.497s run time

.../rewriter/ort_fusions/gqa_test.py:355: in test_fusion
    session = ort.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'int64_1_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.skip_normalization_test.TestSkipNormalization::test_bart_encoder

Stack Traces | 2.09s run time

.../rewriter/ort_fusions/skip_normalization_test.py:71: in test_bart_encoder
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'encoder_layernorm_embedding_weight' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.attention_test.TestAttentionFusion::test_whisper_encoder

Stack Traces | 4.14s run time

.../rewriter/ort_fusions/attention_test.py:170: in test_whisper_encoder
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'encoder_encoder_conv1_bias_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.mha_test.TestMultiHeadAttention::test_whisper_decoder

Stack Traces | 7.42s run time

.../rewriter/ort_fusions/mha_test.py:84: in test_whisper_decoder
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'sym_size_int_42' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.skip_normalization_test.TestSkipNormalization::test_whisper_decoder

Stack Traces | 13.2s run time

.../rewriter/ort_fusions/skip_normalization_test.py:56: in test_whisper_decoder
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'sym_size_int_42' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.mha_test.TestMultiHeadAttention::test_smollm

Stack Traces | 31.5s run time

.../rewriter/ort_fusions/mha_test.py:34: in test_smollm
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'int64_16_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.rms_normalization_test.TestRmsNormalization::test_smollm

Stack Traces | 66.2s run time

.../rewriter/ort_fusions/rms_normalization_test.py:19: in test_smollm
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'const_13_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.rotary_embedding_test.TestRotaryEmbedding::test_rotary_embedding_fusion_1_smollm_test_1

Stack Traces | 72.4s run time

..../test/lib/python3.11.../site-packages/parameterized/parameterized.py:620: in standalone_func
    return func(*(a + p.args), **p.kwargs, **kw)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/rotary_embedding_test.py:33: in test_rotary_embedding_fusion
    self.assertIn("RotaryEmbedding", op_types)
E   AssertionError: 'RotaryEmbedding' not found in ['Gather', 'ConstantOfShape', 'Trilu', 'Reshape', 'Unsqueeze', 'Add', 'Equal', 'Where', 'Unsqueeze', 'Cast', 'MatMul', 'Transpose', 'Concat', 'Cos', 'Sin', 'Pow', 'ReduceMean', 'Add', 'Sqrt', 'Reciprocal', 'Mul', 'Mul', 'MatMul', 'MatMul', 'MatMul', 'Reshape', 'Transpose', 'Reshape', 'Transpose', 'Reshape', 'Transpose', 'Unsqueeze', 'Unsqueeze', 'Mul', 'Slice', 'Slice', 'Neg', 'Concat', 'Mul', 'Add', 'Mul', 'Slice', 'Slice', 'Neg', 'Concat', 'Mul', 'Add', 'Reshape', 'Transpose', 'Reshape', 'Mul', 'Mul', 'MatMul', 'Add', 'Softmax', 'MatMul', 'Transpose', 'Reshape', 'MatMul', 'Add', 'Pow', 'ReduceMean', 'Add', 'Sqrt', 'Reciprocal', 'Mul', 'Mul', 'MatMul', 'Sigmoid', 'Mul', 'MatMul', 'Mul', 'MatMul', 'Add', 'Pow', 'ReduceMean', 'Add', 'Sqrt', 'Reciprocal', 'Mul', 'Mul', 'Transpose', 'MatMul']

onnxscript.rewriter.ort_fusions.fuse_xformers_test.TestFuseXformers::test_fuse_xformers

Stack Traces | 78s run time

.../rewriter/ort_fusions/fuse_xformers_test.py:19: in test_fuse_xformers
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'const_13_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.cos_sin_cache_test.TestCosSinCacheTransform::test_cos_sin_fusion_0_smollm_test_1

Stack Traces | 79.5s run time

..../test/lib/python3.11.../site-packages/parameterized/parameterized.py:620: in standalone_func
    return func(*(a + p.args), **p.kwargs, **kw)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/cos_sin_cache_test.py:45: in test_cos_sin_fusion
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'const_13_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.skip_normalization_test.TestSkipNormalization::test_smollm

Stack Traces | 112s run time

.../rewriter/ort_fusions/skip_normalization_test.py:26: in test_smollm
    original_outputs = ort_run("original", model, inputs)
                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'const_13_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.ort_fusions.mha_test.TestMultiHeadAttention::test_phi2lm

Stack Traces | 260s run time

.../rewriter/ort_fusions/mha_test.py:106: in test_phi2lm
    self.assertEqual(
E   AssertionError: 0 != 1 : Expected exactly one MultiHeadAttention node after optimization

View the full list of 6 ❄️ flaky test(s)

onnxscript.optimizer._constant_folding_test.FoldConstantsTest::test_node_is_folded_if_specified_as_should_fold

Flake rate in main: 94.59% (Passed 17 times, Failed 297 times)

Stack Traces | 0.002s run time

onnxscript/optimizer/_constant_folding_test.py:655: in test_node_is_folded_if_specified_as_should_fold
    optimized = self._fold(
onnxscript/optimizer/_constant_folding_test.py:25: in _fold
    onnx.checker.check_model(ir.serde.serialize_model(model))
..../test/lib/python3.11.../site-packages/onnx/checker.py:179: in check_model
    C.check_model(
E   onnx.onnx_cpp2py_export.checker.ValidationError: Graph output 'z' is not an output of any node in graph.

onnxscript.rewriter.ort_fusions.gelu_test.GeluFusionTest::test_gelu_erf_fusion

Flake rate in main: 78.87% (Passed 82 times, Failed 306 times)

Stack Traces | 0.038s run time

.../rewriter/ort_fusions/gelu_test.py:77: in test_gelu_erf_fusion
    original_output = test_utils.ort_run("Original", model, input)
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.../rewriter/ort_fusions/_test_utils.py:18: in ort_run
    session = onnxruntime.InferenceSession(
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input '_sqrt_two_cast' is not a graph input, initializer, or output of a previous node.

onnxscript.rewriter.rules.common._redundant_scatter_nd_test.RedundantScatterNdTest::test_redundant_scatter_nd_dynamic_indices

Flake rate in main: 94.59% (Passed 17 times, Failed 297 times)

Stack Traces | 0.023s run time

.../rules/common/_redundant_scatter_nd_test.py:52: in test_redundant_scatter_nd_dynamic_indices
    self.assertEqual(count, 1)
E   AssertionError: 0 != 1

onnxscript.rewriter.rules.fusion._gqa_test.GQAFusionTest::test_basic_gqa_fusion

Flake rate in main: 95.16% (Passed 3 times, Failed 59 times)

Stack Traces | 0.1s run time

.../rules/fusion/_gqa_test.py:81: in test_basic_gqa_fusion
    self.assertGreater(count, 0, "GQA fusion should have occurred")
E   AssertionError: 0 not greater than 0 : GQA fusion should have occurred

onnxscript.tools.transformers_models.phi_test.TestExportPhi::test_phi_export_cpu

Flake rate in main: 95.74% (Passed 16 times, Failed 360 times)

Stack Traces | 39.2s run time

onnxscript/_internal/version_utils.py:94: in call_f
    return fct(self)
           ^^^^^^^^^
.../tools/transformers_models/phi_test.py:34: in test_phi_export_cpu
    sess = onnxruntime.InferenceSession(
..../test_torch_nightly/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test_torch_nightly/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'val_3' is not a graph input, initializer, or output of a previous node.

onnxscript.tools.transformers_models.phi_test.TestExportPhi::test_phi_export_cpu_export_api

Flake rate in main: 95.74% (Passed 16 times, Failed 360 times)

Stack Traces | 16.6s run time

onnxscript/_internal/version_utils.py:94: in call_f
    return fct(self)
           ^^^^^^^^^
.../tools/transformers_models/phi_test.py:54: in test_phi_export_cpu_export_api
    sess = onnxruntime.InferenceSession(
..../test_torch_nightly/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:465: in __init__
    self._create_inference_session(providers, provider_options, disabled_optimizers)
..../test_torch_nightly/lib/python3.11.../onnxruntime/capi/onnxruntime_inference_collection.py:528: in _create_inference_session
    sess = C.InferenceSession(session_options, self._model_bytes, False, self._read_config_from_model)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
E   onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Invalid model. Node input 'val_3' is not a graph input, initializer, or output of a previous node.

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justinchuby added 3 commits October 2, 2025 22:01

Create default values for the constant folding pass

bfb26eb

Signed-off-by: Justin Chu <justinchuby@users.noreply.github.com>

Support multi outputs and store replacement as initializers

b7f51ad

Signed-off-by: Justin Chu <justinchuby@users.noreply.github.com>

WIP create initializers

c62f45f

Signed-off-by: Justin Chu <justinchuby@users.noreply.github.com>

github-project-automation bot added this to ONNX Script Review Board Oct 3, 2025

github-project-automation bot moved this to Todo in ONNX Script Review Board Oct 3, 2025

justinchuby added this to the 0.5.4 milestone Oct 7, 2025

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Create initializers with the constant folding pass #2598

Create initializers with the constant folding pass #2598

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Create initializers with the constant folding pass #2598

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Create initializers with the constant folding pass #2598

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