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[CppExtension Unittest] Add unit test of vector<Tensor> #53040

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Merged
merged 1 commit into from
Apr 24, 2023
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[CppExtension Unittest] Add unit test of vector<Tensor> #53040

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11 changes: 11 additions & 0 deletions python/paddle/fluid/tests/cpp_extension/custom_extension.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,16 @@ paddle::Tensor custom_add(const paddle::Tensor& x, const paddle::Tensor& y) {
return x.exp() + y.exp();
}

std::vector<paddle::Tensor> custom_tensor(
const std::vector<paddle::Tensor>& inputs) {
std::vector<paddle::Tensor> out;
out.reserve(inputs.size());
for (const auto& input : inputs) {
out.push_back(input + 1.0);
}
return out;
}

paddle::Tensor nullable_tensor(bool return_none = false) {
paddle::Tensor t;
if (!return_none) {
Expand All @@ -43,6 +53,7 @@ paddle::optional<paddle::Tensor> optional_tensor(bool return_option = false) {
PYBIND11_MODULE(custom_cpp_extension, m) {
m.def("custom_add", &custom_add, "exp(x) + exp(y)");
m.def("custom_sub", &custom_sub, "exp(x) - exp(y)");
m.def("custom_tensor", &custom_tensor, "x + 1");
m.def("nullable_tensor", &nullable_tensor, "returned Tensor might be None");
m.def(
"optional_tensor", &optional_tensor, "returned Tensor might be optional");
Expand Down
15 changes: 15 additions & 0 deletions python/paddle/fluid/tests/cpp_extension/test_cpp_extension_jit.py
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Expand Up @@ -67,6 +67,7 @@ def tearDown(self):
def test_cpp_extension(self):
self._test_extension_function()
self._test_extension_class()
self._test_vector_tensor()
self._test_nullable_tensor()
self._test_optional_tensor()

Expand Down Expand Up @@ -106,6 +107,20 @@ def _test_extension_class(self):
atol=1e-5,
)

def _test_vector_tensor(self):
for dtype in self.dtypes:
np_inputs = [
np.random.uniform(-1, 1, [4, 8]).astype(dtype) for _ in range(3)
]
inputs = [paddle.to_tensor(np_x, dtype=dtype) for np_x in np_inputs]

out = custom_cpp_extension.custom_tensor(inputs)
target_out = [x + 1.0 for x in inputs]
for i in range(3):
np.testing.assert_allclose(
out[i].numpy(), target_out[i].numpy(), atol=1e-5
)

def _test_nullable_tensor(self):
x = custom_cpp_extension.nullable_tensor(True)
assert x is None, "Return None when input parameter return_none = True"
Expand Down
17 changes: 17 additions & 0 deletions python/paddle/fluid/tests/cpp_extension/test_cpp_extension_setup.py
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Expand Up @@ -147,6 +147,7 @@ def test_cpp_extension(self):
# Extension
self._test_extension_function_plain()
self._test_extension_function_mixed()
self._test_vector_tensor()
self._test_extension_class()
self._test_nullable_tensor()
self._test_optional_tensor()
Expand Down Expand Up @@ -215,6 +216,22 @@ def _test_extension_class(self):
atol=1e-5,
)

def _test_vector_tensor(self):
import custom_cpp_extension

for dtype in self.dtypes:
np_inputs = [
np.random.uniform(-1, 1, [4, 8]).astype(dtype) for _ in range(3)
]
inputs = [paddle.to_tensor(np_x, dtype=dtype) for np_x in np_inputs]

out = custom_cpp_extension.custom_tensor(inputs)
target_out = [x + 1 for x in inputs]
for i in range(3):
np.testing.assert_allclose(
out[i].numpy(), target_out[i].numpy(), atol=1e-5
)

def _test_nullable_tensor(self):
import custom_cpp_extension

Expand Down