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 +1,100 @@
+// 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/transpose_kernel.h"
+
+#include <vector>
+
+#include "paddle/phi/backends/cpu/cpu_context.h"
+#include "paddle/phi/core/kernel_registry.h"
+#include "paddle/phi/kernels/funcs/math_function.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void TransposeKernel(const Context& dev_ctx,
+                     const DenseTensor& x,
+                     const std::vector<int>& axis,
+                     DenseTensor* out) {
+  size_t x_rank = x.dims().size();
+  std::vector<int> formatted_axis = axis;
+  for (size_t i = 0; i < axis.size(); i++) {
+    if (axis[i] < 0) {
+      formatted_axis[i] = static_cast<int>(axis[i] + x_rank);
+    }
+  }
+
+  dev_ctx.template Alloc<T>(out);
+  if (out->numel() == 0) {
+    return;
+  }
+  int rank = static_cast<int>(formatted_axis.size());
+  switch (rank) {
+    case 0:
+      Copy<Context>(dev_ctx, x, dev_ctx.GetPlace(), false, out);
+      break;
+    case 1:
+      funcs::Transpose<Context, T, 1> trans1;
+      trans1(dev_ctx, x, out, formatted_axis);
+      break;
+    case 2:
+      funcs::Transpose<Context, T, 2> trans2;
+      trans2(dev_ctx, x, out, formatted_axis);
+      break;
+    case 3:
+      funcs::Transpose<Context, T, 3> trans3;
+      trans3(dev_ctx, x, out, formatted_axis);
+      break;
+    case 4:
+      funcs::Transpose<Context, T, 4> trans4;
+      trans4(dev_ctx, x, out, formatted_axis);
+      break;
+    case 5:
+      funcs::Transpose<Context, T, 5> trans5;
+      trans5(dev_ctx, x, out, formatted_axis);
+      break;
+    case 6:
+      funcs::Transpose<Context, T, 6> trans6;
+      trans6(dev_ctx, x, out, formatted_axis);
+      break;
+    default:
+      // for rank >= 7 situation
+      funcs::TransposeNormal<Context, T> trans_normal;
+      trans_normal(dev_ctx, x, out, formatted_axis);
+  }
+}
+
+}  // namespace phi
+
+PD_REGISTER_KERNEL(transpose,
+                   CPU,
+                   ALL_LAYOUT,
+                   phi::TransposeKernel,
+                   bool,
+                   float,
+                   double,
+                   int32_t,
+                   int64_t,
+                   uint8_t,
+                   uint16_t,
+                   uint32_t,
+                   uint64_t,
+                   int8_t,
+                   int16_t,
+                   phi::float16,
+                   phi::bfloat16,
+                   phi::complex64,
+                   phi::complex128,
+                   phi::float8_e4m3fn,
+                   phi::float8_e5m2) {}