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 +1,65 @@
+// Copyright (c) 2022 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 "paddle/phi/kernels/reduce_sum_grad_kernel.h"
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/cast_kernel.h"
+#include "paddle/phi/kernels/empty_kernel.h"
+#include "paddle/phi/kernels/funcs/reduce_functor.h"
+#include "paddle/phi/kernels/impl/reduce_grad.h"
+namespace phi {
+
+template <typename T, typename Context>
+void ReduceSumGradKernel(const Context& dev_ctx,
+                         const DenseTensor& x,
+                         const DenseTensor& out_grad,
+                         const IntArray& dims,
+                         bool keep_dim,
+                         bool reduce_all,
+                         DenseTensor* x_grad) {
+  reduce_all = recompute_reduce_all(x, dims, reduce_all);
+  if (x_grad && x_grad->numel() == 0) {
+    dev_ctx.template Alloc<T>(x_grad);
+    return;
+  }
+  ReduceGradKernel<Context, T, funcs::SumGradFunctor, true>(dev_ctx,
+                                                            x,
+                                                            paddle::none,
+                                                            out_grad,
+                                                            dims.GetData(),
+                                                            keep_dim,
+                                                            reduce_all,
+                                                            x_grad);
+}
+
+}  // namespace phi
+
+PD_REGISTER_KERNEL(sum_grad,
+                   CPU,
+                   ALL_LAYOUT,
+                   phi::ReduceSumGradKernel,
+                   bool,
+                   float,
+                   double,
+                   phi::float16,
+                   phi::bfloat16,
+                   int16_t,
+                   int,
+                   int64_t,
+                   phi::complex64,
+                   phi::complex128) {
+  kernel->OutputAt(0).SetDataType(phi::DataType::UNDEFINED);
+}