Add more apps to 2_Cookbook

Change-Id: Iafe462df9726a32f450bd240a2de3eaa73a10057

hipamd/samples/2_Cookbook/7_streams/stream.cpp

@@ -0,0 +1,148 @@
+/*
+Copyright (c) 2015-2016 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 WARRANUMTY OF ANY KIND, EXPRESS OR
+IMPLIED, INUMCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNUMESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANUMY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER INUM AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR INUM CONUMECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#include <iostream>
+#include <hip/hip_runtime.h>
+
+#define WIDTH     32
+
+#define NUM       (WIDTH*WIDTH)
+
+#define THREADS_PER_BLOCK_X  4
+#define THREADS_PER_BLOCK_Y  4
+#define THREADS_PER_BLOCK_Z  1
+
+using namespace std;
+
+__global__ void matrixTranspose_static_shared(hipLaunchParm lp,
+                                float *out,
+                                float *in,
+                                const int width)
+{
+    __shared__ float sharedMem[WIDTH*WIDTH];
+
+    int x = hipBlockDim_x * hipBlockIdx_x + hipThreadIdx_x;
+    int y = hipBlockDim_y * hipBlockIdx_y + hipThreadIdx_y;
+
+    sharedMem[y * width + x] = in[x * width + y];
+
+    __syncthreads();
+
+    out[y * width + x] = sharedMem[y * width + x];
+}
+
+__global__ void matrixTranspose_dynamic_shared(hipLaunchParm lp,
+                                float *out,
+                                float *in,
+                                const int width)
+{
+    // declare dynamic shared memory
+    HIP_DYNAMIC_SHARED(float, sharedMem)
+
+    int x = hipBlockDim_x * hipBlockIdx_x + hipThreadIdx_x;
+    int y = hipBlockDim_y * hipBlockIdx_y + hipThreadIdx_y;
+
+    sharedMem[y * width + x] = in[x * width + y];
+
+    __syncthreads();
+
+    out[y * width + x] = sharedMem[y * width + x];
+}
+
+void MultipleStream (float **data, float *randArray, float **gpuTransposeMatrix, float **TransposeMatrix, int width)
+{
+    const int num_streams = 2;
+    hipStream_t streams[num_streams];
+
+    for(int i=0;i<num_streams;i++)
+        hipStreamCreate(&streams[i]);
+
+    for(int i=0;i<num_streams;i++)
+    {
+        hipMalloc((void**)&data[i], NUM * sizeof(float));
+        hipMemcpyAsync(data[i], randArray, NUM * sizeof(float), hipMemcpyHostToDevice,streams[i]);
+    }
+
+    hipLaunchKernel(matrixTranspose_static_shared,
+                    dim3(WIDTH/THREADS_PER_BLOCK_X, WIDTH/THREADS_PER_BLOCK_Y),
+                    dim3(THREADS_PER_BLOCK_X, THREADS_PER_BLOCK_Y),
+                    0, streams[0],
+                    gpuTransposeMatrix[0], data[0], width);
+
+    hipLaunchKernel(matrixTranspose_dynamic_shared,
+                    dim3(WIDTH/THREADS_PER_BLOCK_X, WIDTH/THREADS_PER_BLOCK_Y),
+                    dim3(THREADS_PER_BLOCK_X, THREADS_PER_BLOCK_Y),
+                    sizeof(float)*WIDTH*WIDTH, streams[1],
+                    gpuTransposeMatrix[1], data[1], width);
+
+    for(int i=0;i<num_streams;i++)
+    hipMemcpyAsync(TransposeMatrix[i], gpuTransposeMatrix[i], NUM*sizeof(float), hipMemcpyDeviceToHost, streams[i]);
+
+}
+
+int main(){
+
+    hipSetDevice(0);
+
+    float *data[2], *TransposeMatrix[2], *gpuTransposeMatrix[2], *randArray;
+
+    int width = WIDTH;
+
+    randArray = (float*)malloc(NUM * sizeof(float));
+
+    TransposeMatrix[0] = (float*)malloc(NUM * sizeof(float));
+    TransposeMatrix[1] = (float*)malloc(NUM * sizeof(float));
+
+    hipMalloc((void**)&gpuTransposeMatrix[0], NUM * sizeof(float));
+    hipMalloc((void**)&gpuTransposeMatrix[1], NUM * sizeof(float));
+
+    for(int i = 0; i < NUM; i++)
+    {
+        randArray[i] = (float)i*1.0f;
+    }
+
+    MultipleStream(data, randArray, gpuTransposeMatrix, TransposeMatrix, width);
+
+    hipDeviceSynchronize();
+
+    // verify the results
+    int errors = 0;
+    double eps = 1.0E-6;
+    for (int i = 0; i < NUM; i++) {
+        if (std::abs(TransposeMatrix[0][i] - TransposeMatrix[1][i]) > eps ) {
+        printf("%d stream0: %f stream1  %f\n",i,TransposeMatrix[0][i],TransposeMatrix[1][i]);
+        errors++;
+        }
+    }
+    if (errors!=0) {
+        printf("FAILED: %d errors\n",errors);
+    } else {
+        printf ("stream PASSED!\n");
+    }
+
+    free(randArray);
+    for(int i=0;i<2;i++){
+       hipFree(data[i]);
+       hipFree(gpuTransposeMatrix[i]);
+       free(TransposeMatrix[i]);
+    }
+
+    hipDeviceReset();
+    return 0;
+}