Sync HIP documentation 2025-10-20 (#1258)

* Add examples to tools folder * Correct P2P memory access section * Sync poriting guide * Add HIP Graph tutorial * Add hint about using amdgpu-dkms for IPC API * Add a few more env variables
2025-10-29 07:42:06 +01:00
parent 8e98b80deb
commit 197f73dac9
89 changed files with 10327 additions and 3486 deletions
@@ -0,0 +1,72 @@
+// MIT License
+//
+// Copyright (c) 2025 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.
+
+// [sphinx-start]
+#include <hip/hip_runtime.h>
+
+#include <cstddef>
+#include <cstdlib>
+#include <iostream>
+
+#define HIP_CHECK(expression)                \
+{                                            \
+    const hipError_t status = expression;    \
+    if(status != hipSuccess)                 \
+    {                                        \
+            std::cerr << "HIP error "        \
+                << status << ": "            \
+                << hipGetErrorString(status) \
+                << " at " << __FILE__ << ":" \
+                << __LINE__ << std::endl;    \
+    }                                        \
+}
+
+__device__ unsigned long long fibonacci(unsigned long long n)
+{
+    if (n == 0 || n == 1)
+    {
+        return n;
+    }
+    return fibonacci(n - 1) + fibonacci(n - 2);
+}
+
+__global__ void kernel(unsigned long long n)
+{
+    unsigned long long result = fibonacci(n);
+    const std::size_t x = threadIdx.x + blockDim.x * blockIdx.x;
+
+    if (x == 0)
+        printf("%llu! = %llu \n", n, result);
+}
+
+int main()
+{
+    kernel<<<1, 1>>>(10);
+    HIP_CHECK(hipDeviceSynchronize());
+
+    // With -O0 optimization option hit the stack limit
+    // kernel<<<1, 256>>>(2048);
+    // HIP_CHECK(hipDeviceSynchronize());
+
+    return EXIT_SUCCESS;
+}
+// [sphinx-end]