Transfer files from RAD repository

[ROCm/rocshmem commit: ea8f264a11]
2024-07-01 09:57:08 -05:00
parent a78cfbd283
commit ad4ab69c19
382 changed files with 67034 additions and 1 deletions
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+/******************************************************************************
+ * Copyright (c) 2024 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *****************************************************************************/
+
+#ifndef LIBRARY_SRC_REVERSE_OFFLOAD_CONTEXT_PROXY_HPP_
+#define LIBRARY_SRC_REVERSE_OFFLOAD_CONTEXT_PROXY_HPP_
+
+#include "roc_shmem/roc_shmem.hpp"
+#include "../device_proxy.hpp"
+#include "../memory/hip_allocator.hpp"
+#include "context_ro_device.hpp"
+
+namespace rocshmem {
+
+class ROBackend;
+
+template <typename ALLOCATOR>
+class DefaultContextProxy {
+  using ProxyT = DeviceProxy<ALLOCATOR, ROContext>;
+
+ public:
+  DefaultContextProxy() = default;
+
+  /*
+   * Placement new the memory which is allocated by proxy_
+   */
+  explicit DefaultContextProxy(ROBackend* backend) : constructed_{true} {
+    auto ctx{proxy_.get()};
+    new (ctx) ROContext(reinterpret_cast<Backend*>(backend), -1);
+    roc_shmem_ctx_t local{ctx, nullptr};
+    set_internal_ctx(&local);
+  }
+
+  /*
+   * Since placement new is called in the constructor, then
+   * delete must be called manually.
+   */
+  ~DefaultContextProxy() {
+    if (constructed_) {
+      proxy_.get()->~ROContext();
+    }
+  }
+
+  DefaultContextProxy(const DefaultContextProxy& other) = delete;
+
+  DefaultContextProxy& operator=(const DefaultContextProxy& other) = delete;
+
+  DefaultContextProxy(DefaultContextProxy&& other) = default;
+
+  DefaultContextProxy& operator=(DefaultContextProxy&& other) = default;
+
+  /*
+   * @brief Provide access to the memory referenced by the proxy
+   */
+  __host__ __device__ Context* get() { return proxy_.get(); }
+
+ private:
+  /*
+   * @brief Memory managed by the lifetime of this object
+   */
+  ProxyT proxy_{};
+
+  /*
+   * @brief denotes if an objects was constructed in proxy
+   */
+  bool constructed_{false};
+};
+
+using DefaultContextProxyT = DefaultContextProxy<HIPAllocator>;
+
+template <typename ALLOCATOR>
+class BlockContextProxy {
+  static constexpr size_t MAX_NUM_BLOCKS{65536};
+  using ProxyT = DeviceProxy<ALLOCATOR, ROContext, MAX_NUM_BLOCKS>;
+
+ public:
+  BlockContextProxy() = default;
+
+  explicit BlockContextProxy(ROBackend* backend) : constructed_{true} {
+    auto* ctx{proxy_.get()};
+    for (size_t i{0}; i < MAX_NUM_BLOCKS; i++) {
+      auto ctx_p{&ctx[i]};
+      new (ctx_p) ROContext(reinterpret_cast<Backend*>(backend), i);
+    }
+  }
+
+  ~BlockContextProxy() {
+    if (constructed_) {
+      auto* ctx{proxy_.get()};
+      for (size_t i{0}; i < MAX_NUM_BLOCKS; i++) {
+        auto ctx_p{&ctx[i]};
+        ctx_p->~ROContext();
+      }
+    }
+  }
+
+  BlockContextProxy(const BlockContextProxy& other) = delete;
+
+  BlockContextProxy& operator=(const BlockContextProxy& other) = delete;
+
+  BlockContextProxy(BlockContextProxy&& other) = default;
+
+  BlockContextProxy& operator=(BlockContextProxy&& other) = default;
+
+  __host__ __device__ Context* get() { return proxy_.get(); }
+
+ private:
+  /*
+   * @brief Memory managed by the lifetime of this object
+   */
+  ProxyT proxy_{};
+
+  /*
+   * @brief denotes if an objects was constructed in proxy
+   */
+  bool constructed_{false};
+};
+
+}  // namespace rocshmem
+
+#endif  // LIBRARY_SRC_REVERSE_OFFLOAD_CONTEXT_PROXY_HPP_