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Add an export to convert an onnx graph into light API code#46
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1 change: 1 addition & 0 deletionsCHANGELOGS.rst
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2 changes: 1 addition & 1 deletionREADME.rst
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44 changes: 39 additions & 5 deletions_doc/api/light_api.rst
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12 changes: 10 additions & 2 deletions_doc/index.rst
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131 changes: 131 additions & 0 deletions_unittests/ut_light_api/test_translate.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| import unittest | ||
| from textwrap import dedent | ||
| import numpy as np | ||
| from onnx import ModelProto, TensorProto | ||
| from onnx.defs import onnx_opset_version | ||
| from onnx.reference import ReferenceEvaluator | ||
| from onnx_array_api.ext_test_case import ExtTestCase | ||
| from onnx_array_api.light_api import start, translate | ||
| OPSET_API = min(19, onnx_opset_version() - 1) | ||
| class TestTranslate(ExtTestCase): | ||
| def test_exp(self): | ||
| onx = start(opset=19).vin("X").Exp().rename("Y").vout().to_onnx() | ||
| self.assertIsInstance(onx, ModelProto) | ||
| self.assertIn("Exp", str(onx)) | ||
| ref = ReferenceEvaluator(onx) | ||
| a = np.arange(10).astype(np.float32) | ||
| got = ref.run(None, {"X": a})[0] | ||
| self.assertEqualArray(np.exp(a), got) | ||
| code = translate(onx) | ||
| expected = dedent( | ||
| """ | ||
| ( | ||
| start(opset=19) | ||
| .vin('X', elem_type=TensorProto.FLOAT) | ||
| .bring('X') | ||
| .Exp() | ||
| .rename('Y') | ||
| .bring('Y') | ||
| .vout(elem_type=TensorProto.FLOAT) | ||
| .to_onnx() | ||
| )""" | ||
| ).strip("\n") | ||
| self.assertEqual(expected, code) | ||
| onx2 = ( | ||
| start(opset=19) | ||
| .vin("X", elem_type=TensorProto.FLOAT) | ||
| .bring("X") | ||
| .Exp() | ||
| .rename("Y") | ||
| .bring("Y") | ||
| .vout(elem_type=TensorProto.FLOAT) | ||
| .to_onnx() | ||
| ) | ||
| ref = ReferenceEvaluator(onx2) | ||
| a = np.arange(10).astype(np.float32) | ||
| got = ref.run(None, {"X": a})[0] | ||
| self.assertEqualArray(np.exp(a), got) | ||
| def test_transpose(self): | ||
| onx = ( | ||
| start(opset=19) | ||
| .vin("X") | ||
| .reshape((-1, 1)) | ||
| .Transpose(perm=[1, 0]) | ||
| .rename("Y") | ||
| .vout() | ||
| .to_onnx() | ||
| ) | ||
| self.assertIsInstance(onx, ModelProto) | ||
| self.assertIn("Transpose", str(onx)) | ||
| ref = ReferenceEvaluator(onx) | ||
| a = np.arange(10).astype(np.float32) | ||
| got = ref.run(None, {"X": a})[0] | ||
| self.assertEqualArray(a.reshape((-1, 1)).T, got) | ||
| code = translate(onx) | ||
| expected = dedent( | ||
| """ | ||
| ( | ||
| start(opset=19) | ||
| .vin('X', elem_type=TensorProto.FLOAT) | ||
| .bring('X', 'r') | ||
| .Reshape() | ||
| .rename('r0_0') | ||
| .bring('r0_0') | ||
| .Transpose(perm=[1, 0]) | ||
| .rename('Y') | ||
| .bring('Y') | ||
| .vout(elem_type=TensorProto.FLOAT) | ||
| .to_onnx() | ||
| )""" | ||
| ).strip("\n") | ||
| self.assertEqual(expected, code) | ||
| def test_topk_reverse(self): | ||
| onx = ( | ||
| start(opset=19) | ||
| .vin("X", np.float32) | ||
| .vin("K", np.int64) | ||
| .bring("X", "K") | ||
| .TopK(largest=0) | ||
| .rename("Values", "Indices") | ||
| .vout() | ||
| .to_onnx() | ||
| ) | ||
| self.assertIsInstance(onx, ModelProto) | ||
| ref = ReferenceEvaluator(onx) | ||
| x = np.array([[0, 1, 2, 3], [9, 8, 7, 6]], dtype=np.float32) | ||
| k = np.array([2], dtype=np.int64) | ||
| got = ref.run(None, {"X": x, "K": k}) | ||
| self.assertEqualArray(np.array([[0, 1], [6, 7]], dtype=np.float32), got[0]) | ||
| self.assertEqualArray(np.array([[0, 1], [3, 2]], dtype=np.int64), got[1]) | ||
| code = translate(onx) | ||
| expected = dedent( | ||
| """ | ||
| ( | ||
| start(opset=19) | ||
| .vin('X', elem_type=TensorProto.FLOAT) | ||
| .vin('K', elem_type=TensorProto.INT64) | ||
| .bring('X', 'K') | ||
| .TopK(axis=-1, largest=0, sorted=1) | ||
| .rename('Values', 'Indices') | ||
| .bring('Values') | ||
| .vout(elem_type=TensorProto.FLOAT) | ||
| .bring('Indices') | ||
| .vout(elem_type=TensorProto.FLOAT) | ||
| .to_onnx() | ||
| )""" | ||
| ).strip("\n") | ||
| self.assertEqual(expected, code) | ||
| if __name__ == "__main__": | ||
| # TestLightApi().test_topk() | ||
| unittest.main(verbosity=2) |
44 changes: 43 additions & 1 deletiononnx_array_api/light_api/__init__.py
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2 changes: 1 addition & 1 deletiononnx_array_api/light_api/annotations.py
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