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 +1,92 @@
+/* ******************************************************************************
+ *
+ *
+ * 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
+ ******************************************************************************/
+
+#ifndef SD_PLATFORMHELPERLEGACY_H
+#define SD_PLATFORMHELPERLEGACY_H
+#include <array/InteropDataBuffer.h>
+#include <execution/Engine.h>
+#include <graph/Context.h>
+#include <helpers/ShapeUtils.h>
+#include <system/RequirementsHelper.h>
+#include <system/op_enums.h>
+
+#include <string>
+
+namespace sd {
+namespace ops {
+namespace platforms {
+
+struct PlatformHelperLegacyEntry {
+  // prefix for the legacy. must be constant with global scope
+  const char *prefix;
+
+  int opNum;
+  // target engine for this impl
+  samediff::Engine engine;
+
+  bool operator==(const PlatformHelperLegacyEntry &other) const {
+    return (prefix == other.prefix && opNum == other.opNum && engine == other.engine);
+  }
+};
+
+struct PlatformHelperLegacyEntryHasher {
+  std::size_t operator()(PlatformHelperLegacyEntry const &p) const noexcept {
+    auto res = std::hash<LongType>()(reinterpret_cast<LongType>(p.prefix));
+    res ^= std::hash<int>()(p.opNum) + 0x9e3779b9 + (res << 6) + (res >> 2);
+    res ^= std::hash<int>()(p.engine) + 0x9e3779b9 + (res << 6) + (res >> 2);
+    return res;
+  }
+};
+/**
+ * This abstract class defines methods used by platform-specific helpers implementations for legacy ops
+ */
+class SD_LIB_EXPORT PlatformHelperLegacy {
+ protected:
+  PlatformHelperLegacyEntry entry;
+
+ public:
+  PlatformHelperLegacy(const char *prefix, int opNum, samediff::Engine engine) : entry{prefix, opNum, engine} {}
+
+  ~PlatformHelperLegacy() = default;
+
+  PlatformHelperLegacyEntry getEntry() const { return entry; }
+
+  /**
+   * This method checks, if given helper can be used with given input/output shapes
+   *
+   * @param context
+   * @return
+   */
+  virtual bool isUsable(void *extraParams, const LongType *outShapeInfo, const LongType *inArg0ShapeInfo,
+                        const LongType *inArg1ShapeInfo) = 0;
+
+  /**
+   * This method invokes helper
+   *
+   * @param context
+   * @return
+   */
+  virtual Status invokeHelper(void *extraParams, const LongType *outShapeInfo, InteropDataBuffer *outputBuffer, const LongType *inArg0ShapeInfo,
+                                  const InteropDataBuffer *inArg0Buffer, const LongType *inArg1ShapeInfo,
+                                  const InteropDataBuffer *inArg1Buffer) = 0;
+};
+}  // namespace platforms
+}  // namespace ops
+}  // namespace sd
+
+#endif  // SD_PLATFORMHELPERLEGACY_H