chore: import upstream snapshot with attribution

2026-07-13 12:40:42 +08:00
commit e25996e7db
15472 changed files with 3536181 additions and 0 deletions
@@ -0,0 +1,46 @@
+// Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <ATen/cuda/EmptyTensor.h>
+
+#include "paddle/phi/api/include/api.h"
+#include "paddle/phi/common/place.h"
+
+namespace at::detail {
+
+at::Tensor empty_cuda(IntArrayRef size,
+                      ScalarType dtype,
+                      std::optional<Device> device_opt,
+                      std::optional<c10::MemoryFormat> memory_format_opt) {
+  PD_CHECK(!(memory_format_opt.has_value() &&
+             memory_format_opt.value() != c10::MemoryFormat::Contiguous),
+           "`MemoryFormat` other than Contiguous is not supported now.");
+  return paddle::experimental::empty(
+      size._PD_ToPaddleIntArray(),
+      compat::_PD_AtenScalarTypeToPhiDataType(dtype),
+      device_opt && device_opt->has_index() ? phi::GPUPlace(device_opt->index())
+                                            : paddle::DefaultGPUPlace());
+}
+
+at::Tensor empty_cuda(IntArrayRef size, const TensorOptions &options) {
+  auto place = options.has_device() && options.device().has_index()
+                   ? phi::GPUPlace(options.device().index())
+                   : paddle::DefaultGPUPlace();
+  return paddle::experimental::empty(
+      size._PD_ToPaddleIntArray(),
+      compat::_PD_AtenScalarTypeToPhiDataType(options.dtype_opt().value()),
+      place);
+}
+
+}  // namespace at::detail