Skip to content

[0-size Tensor Job2 No.97] Add 0-size Tensor support for paddle.Tensor.set_[fluid_ops] #74200

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Jul 24, 2025
Merged

[0-size Tensor Job2 No.97] Add 0-size Tensor support for paddle.Tensor.set_[fluid_ops] #74200

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
a349400
Fix
co63oc Jul 23, 2025
35e8304
Fix
co63oc Jul 23, 2025
737b101
Fix
co63oc Jul 23, 2025
File filter

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 12 additions & 1 deletion paddle/phi/kernels/set_kernel.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
// limitations under the License.
#include "paddle/phi/kernels/set_kernel.h"
#include "paddle/phi/core/kernel_registry.h"

#include "paddle/phi/kernels/full_kernel.h"
namespace phi {

template <typename T, typename Context>
Expand All @@ -28,6 +28,17 @@ void SetKernel(const Context& dev_ctx,
meta.dims = DDim(dims.data(), static_cast<int>(dims.size()));
meta.strides = DDim(stride.data(), static_cast<int>(stride.size()));
meta.offset = offset;
if (x.numel() == 0 || source.numel() == 0) {
if (source.numel() != 0) {
out->clear();
*out = DenseTensor{source.Holder(), meta};
} else if (x.numel() == 0) {
phi::Full<T, Context>(
dev_ctx, phi::IntArray(common::vectorize(out->dims())), 0, out);
}
out->ShareInplaceVersionCounterWith(x);
return;
}
if (x.IsSharedWith(source)) {
out->set_meta(meta);
} else {
Expand Down
12 changes: 12 additions & 0 deletions test/legacy_test/test_inplace.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
import unittest

import numpy as np
from op_test import get_places

import paddle

Expand Down Expand Up @@ -2491,5 +2492,16 @@ def test_inplace_api(self):
self.assertTrue(id(x) == id(inplace_x2))


class TestSet_API_ZeroSize(unittest.TestCase):
def setUp(self):
self.places = get_places()

def test_set_api(self):
for place in self.places:
with paddle.base.dygraph.guard(place):
out = paddle.randn([20]).set_(paddle.randn([0, 3]), [20], [2])
np.testing.assert_allclose(out.shape, [20])


if __name__ == '__main__':
unittest.main()