chore: import upstream snapshot with attribution

2026-07-13 12:47:05 +08:00
commit 4f3b7da785
7394 changed files with 2005594 additions and 0 deletions
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+/* ******************************************************************************
+ *
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ *  See the NOTICE file distributed with this work for additional
+ *  information regarding copyright ownership.
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ******************************************************************************/
+
+//
+// @author Yurii Shyrma (iuriish@yahoo.com), created on 01.11.2017
+//
+
+#include <system/op_boilerplate.h>
+#if NOT_EXCLUDED(OP_parallel_stack)
+
+#include <ops/declarable/CustomOperations.h>
+#include <ops/declarable/helpers/stack.h>
+
+namespace sd {
+namespace ops {
+
+CUSTOM_OP_IMPL(parallel_stack, -1, 1, false, 0, 0) {
+  auto input = INPUT_VARIABLE(0);
+  auto output = OUTPUT_VARIABLE(0);
+
+  // check whether shapes of all input array are the same
+  for (int i = 0; i < (int)block.width() - 1; ++i)
+    REQUIRE_TRUE(shape::equalsSoft((INPUT_VARIABLE(i))->shapeInfo(), (INPUT_VARIABLE(i + 1))->shapeInfo()), 0,
+                 "PARALLEL_STACK op: the shapes of all input arrays must be the same !");
+
+  std::vector<NDArray*> inArrs(block.width());
+  for (size_t i = 0; i < block.width(); ++i) inArrs[i] = INPUT_VARIABLE(i);
+
+  const int dim = 0;
+  helpers::stack(block.launchContext(), inArrs, *output, dim);
+
+  return sd::Status::OK;
+}
+
+DECLARE_TYPES(parallel_stack) {
+  getOpDescriptor()->setAllowedInputTypes(sd::DataType::ANY)->setAllowedOutputTypes({ALL_FLOATS});
+}
+
+DECLARE_SHAPE_FN(parallel_stack) {
+  auto inShapeInfo = inputShape->at(0);
+  int rank = inShapeInfo[0];
+
+  sd::LongType* outShapeInfo = nullptr;
+  ALLOCATE(outShapeInfo, block.getWorkspace(), shape::shapeInfoLength(rank + 1), sd::LongType);
+
+  outShapeInfo[0] = rank + 1;
+  outShapeInfo[1] = block.width();
+  for (int i = 1; i <= rank; ++i) outShapeInfo[i + 1] = inShapeInfo[i];
+
+  ShapeUtils::updateStridesAndType(outShapeInfo, inShapeInfo, shape::order(inShapeInfo));
+
+  return SHAPELIST(CONSTANT(outShapeInfo));
+}
+
+}  // namespace ops
+}  // namespace sd
+
+#endif