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
@@ -0,0 +1,114 @@
+/*
+ *  ******************************************************************************
+ *  *
+ *  *
+ *  * 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
+ *  *****************************************************************************
+ */
+
+//
+//  @autkhor raver119@gmail.com
+//
+#include <array/DataTypeUtils.h>
+#include <execution/Threads.h>
+#include <ops/declarable/helpers/dilation2d.h>
+#if NOT_EXCLUDED(OP_dilation2d)
+namespace sd {
+namespace ops {
+namespace helpers {
+
+//////////////////////////////////////////////////////////////////////
+
+template <typename X, typename Z>
+static void dilation2d_(NDArray* input, NDArray* weights, NDArray* output, const sd::LongType sH, const sd::LongType sW, const sd::LongType pH,
+                        const sd::LongType pW, const sd::LongType dH, const sd::LongType dW) {
+  // input   [bS, iH, iW, iC]
+  // weights [kH, kW, iC]
+  // output  [bS, oH, oW, iC]
+
+  const X* x = input->bufferAsT<X>();
+  const X* y = weights->bufferAsT<X>();
+  Z* z = output->bufferAsT<Z>();
+
+  const sd::LongType* xShapeInfo = input->shapeInfo();
+  const sd::LongType* yShapeInfo = weights->shapeInfo();
+  const sd::LongType* zShapeInfo = output->shapeInfo();
+
+  const sd::LongType bS = input->sizeAt(0);
+  const sd::LongType iH = input->sizeAt(1);
+  const sd::LongType iW = input->sizeAt(2);
+  const sd::LongType iC = input->sizeAt(3);
+
+  const sd::LongType kH = weights->sizeAt(0);
+  const sd::LongType kW = weights->sizeAt(1);
+
+  const sd::LongType oH = output->sizeAt(1);
+  const sd::LongType oW = output->sizeAt(2);
+
+  auto func = PRAGMA_THREADS_FOR_2D {
+    for (auto b = start_x; b < stop_x; b += inc_x) {
+      for (auto oh = start_y; oh < stop_y; oh += inc_y) {
+        for (sd::LongType ow = 0; ow < oW; ++ow) {
+          for (sd::LongType c = 0; c < iC; ++c) {
+            X max = -DataTypeUtils::max<X>();
+
+            for (sd::LongType kh = 0; kh < kH; ++kh) {
+              const int ih = oh * sH - pH + kh * dH;
+              if (ih < 0 || ih >= iH) continue;
+
+              for (sd::LongType kw = 0; kw < kW; ++kw) {
+                const int iw = ow * sW - pW + kw * dW;
+                if (iw < 0 || iw >= iW) continue;
+
+                sd::LongType xCoords[4] = {static_cast<sd::LongType>(b), static_cast<sd::LongType>(ih),
+                                           static_cast<sd::LongType>(iw), c};
+                sd::LongType yCoords[3] = {kh, kw, c};
+
+                sd::LongType xOffset;
+                COORDS2INDEX(shape::rank(xShapeInfo), shape::stride(xShapeInfo), xCoords, xOffset);
+
+                sd::LongType yOffset;
+                COORDS2INDEX(shape::rank(yShapeInfo), shape::stride(yShapeInfo), yCoords, yOffset);
+
+                const X val = x[xOffset] + y[yOffset];
+                if (val > max) max = val;
+              }
+            }
+
+            sd::LongType zCoords[4] = {static_cast<sd::LongType>(b), static_cast<sd::LongType>(oh), ow, c};
+            sd::LongType zOffset;
+            COORDS2INDEX(shape::rank(zShapeInfo), shape::stride(zShapeInfo), zCoords, zOffset);
+
+            z[zOffset] = static_cast<Z>(max);
+          }
+        }
+      }
+    }
+  };
+
+  samediff::Threads::parallel_for(func, 0, bS, 1, 0, oH, 1);
+}
+
+
+void dilation2d(sd::LaunchContext* context, NDArray* input, NDArray* weights, NDArray* output, const sd::LongType sH,
+                const sd::LongType sW, const sd::LongType pH, const sd::LongType pW, const sd::LongType dH, const sd::LongType dW) {
+  BUILD_SINGLE_SELECTOR_TWICE(input->dataType(), dilation2d_, (input, weights, output, sH, sW, pH, pW, dH, dW),
+                              SD_FLOAT_TYPES);
+}
+
+}  // namespace helpers
+}  // namespace ops
+}  // namespace sd
+#endif