| /************************************************************************************\ |
| * * |
| * Copyright © 2014 Advanced Micro Devices, Inc. * |
| * Copyright (c) 2015 Mark D. Hill and David A. Wood * |
| * Copyright (c) 2021 Gaurav Jain and Matthew D. Sinclair * |
| * All rights reserved. * |
| * * |
| * Redistribution and use in source and binary forms, with or without * |
| * modification, are permitted provided that the following are met: * |
| * * |
| * You must reproduce the above copyright notice. * |
| * * |
| * Neither the name of the copyright holder nor the names of its contributors * |
| * may be used to endorse or promote products derived from this software * |
| * without specific, prior, written permission from at least the copyright holder. * |
| * * |
| * You must include the following terms in your license and/or other materials * |
| * provided with the software. * |
| * * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * |
| * IMPLIED WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT, AND FITNESS FOR A * |
| * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER * |
| * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * |
| * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * |
| * OF SUCH DAMAGE. * |
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| * Without limiting the foregoing, the software may implement third party * |
| * technologies for which you must obtain licenses from parties other than AMD. * |
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| * underlying intellectual property rights related to the third party technologies. * |
| * These third party technologies are not licensed hereunder. * |
| * * |
| * If you use the software (in whole or in part), you shall adhere to all * |
| * applicable U.S., European, and other export laws, including but not limited to * |
| * the U.S. Export Administration Regulations ("EAR") (15 C.F.R Sections 730-774), * |
| * and E.U. Council Regulation (EC) No 428/2009 of 5 May 2009. Further, pursuant * |
| * to Section 740.6 of the EAR, you hereby certify that, except pursuant to a * |
| * license granted by the United States Department of Commerce Bureau of Industry * |
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| * the U.S. Export Administration Regulations ("EAR"), you will not (1) export, * |
| * re-export or release to a national of a country in Country Groups D:1, E:1 or * |
| * E:2 any restricted technology, software, or source code you receive hereunder, * |
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| * technology or software, if such foreign produced direct product is subject to * |
| * national security controls as identified on the Commerce Control List (currently * |
| * found in Supplement 1 to Part 774 of EAR). For the most current Country Group * |
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| * those regulations, please refer to the U.S. Bureau of Industry and Security's * |
| * website at http://www.bis.doc.gov/. * |
| * * |
| \************************************************************************************/ |
| |
| #include "hip/hip_runtime.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| //#include <sys/time.h> |
| #include "../graph_parser/parse.h" |
| #include "../graph_parser/util.h" |
| #include "kernel_max.h" |
| |
| #ifdef GEM5_FUSION |
| #include <stdint.h> |
| #include <gem5/m5ops.h> |
| #endif |
| |
| #define RANGE 2048 |
| |
| void print_vector(int *vector, int num); |
| |
| int main(int argc, char **argv) |
| { |
| char *tmpchar; |
| |
| int num_nodes; |
| int num_edges; |
| int file_format = 1; |
| bool directed = 0; |
| |
| hipError_t err = hipSuccess; |
| |
| if (argc == 3) { |
| tmpchar = argv[1]; //graph inputfile |
| file_format = atoi(argv[2]); //graph format |
| } else { |
| fprintf(stderr, "You did something wrong!\n"); |
| exit(1); |
| } |
| |
| srand(7); |
| |
| // Allocate the CSR structure |
| csr_array *csr; |
| |
| // Parse graph file and store into a CSR format |
| if (file_format == 1) |
| csr = parseMetis(tmpchar, &num_nodes, &num_edges, directed); |
| else if (file_format == 0) |
| csr = parseCOO(tmpchar, &num_nodes, &num_edges, directed); |
| else { |
| printf("reserve for future"); |
| exit(1); |
| } |
| |
| // Allocate the vertex value array |
| int *node_value = (int *)malloc(num_nodes * sizeof(int)); |
| if (!node_value) fprintf(stderr, "node_value malloc failed\n"); |
| // Allocate the color array |
| int *color = (int *)malloc(num_nodes * sizeof(int)); |
| if (!color) fprintf(stderr, "color malloc failed\n"); |
| |
| // Initialize all the colors to -1 |
| // Randomize the value for each vertex |
| for (int i = 0; i < num_nodes; i++) { |
| color[i] = -1; |
| node_value[i] = rand() % RANGE; |
| } |
| |
| int *row_d; |
| int *col_d; |
| int *max_d; |
| |
| int *color_d; |
| int *node_value_d; |
| int *stop_d; |
| |
| // Create device-side buffers for the graph |
| err = hipMalloc(&row_d, num_nodes * sizeof(int)); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMalloc row_d (size:%d) => %s\n", num_nodes , hipGetErrorString(err)); |
| return -1; |
| } |
| err = hipMalloc(&col_d, num_edges * sizeof(int)); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMalloc col_d (size:%d): %s\n", num_edges , hipGetErrorString(err)); |
| return -1; |
| } |
| |
| // Termination variable |
| err = hipMalloc(&stop_d, sizeof(int)); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMalloc stop_d (size:%d) => %s\n", 1 , hipGetErrorString(err)); |
| return -1; |
| } |
| |
| // Create device-side buffers for color |
| err = hipMalloc(&color_d, num_nodes * sizeof(int)); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMalloc color_d (size:%d) => %s\n", num_nodes , hipGetErrorString(err)); |
| return -1; |
| } |
| err = hipMalloc(&node_value_d, num_nodes * sizeof(int)); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMalloc node_value_d (size:%d) => %s\n", num_nodes , hipGetErrorString(err)); |
| return -1; |
| } |
| err = hipMalloc(&max_d, num_nodes * sizeof(int)); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMalloc max_d (size:%d) => %s\n", num_nodes , hipGetErrorString(err)); |
| return -1; |
| } |
| |
| // Copy data to device-side buffers |
| // double timer1 = gettime(); |
| |
| #ifdef GEM5_FUSION |
| m5_work_begin(0, 0); |
| #endif |
| |
| err = hipMemcpy(color_d, color, num_nodes * sizeof(int), hipMemcpyHostToDevice); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMemcpy color_d (size:%d) => %s\n", num_nodes, hipGetErrorString(err)); |
| return -1; |
| } |
| |
| err = hipMemcpy(max_d, color, num_nodes * sizeof(int), hipMemcpyHostToDevice); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMemcpy max_d (size:%d) => %s\n", num_nodes, hipGetErrorString(err)); |
| return -1; |
| } |
| |
| err = hipMemcpy(row_d, csr->row_array, num_nodes * sizeof(int), hipMemcpyHostToDevice); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMemcpy row_d (size:%d) => %s\n", num_nodes, hipGetErrorString(err)); |
| return -1; |
| } |
| |
| err = hipMemcpy(col_d, csr->col_array, num_edges * sizeof(int), hipMemcpyHostToDevice); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMemcpy col_d (size:%d) => %s\n", num_nodes, hipGetErrorString(err)); |
| return -1; |
| } |
| |
| err = hipMemcpy(node_value_d, node_value, num_nodes * sizeof(int), hipMemcpyHostToDevice); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: hipMemcpy node_value_d (size:%d) => %s\n", num_nodes, hipGetErrorString(err)); |
| return -1; |
| } |
| |
| int block_size = 256; |
| int num_blocks = (num_nodes + block_size - 1) / block_size; |
| |
| // Set up kernel dimensions |
| dim3 threads(block_size, 1, 1); |
| dim3 grid(num_blocks, 1, 1); |
| |
| int stop = 1; |
| int graph_color = 1; |
| |
| // Main computation loop |
| // double timer3 = gettime(); |
| |
| while (stop) { |
| |
| stop = 0; |
| |
| // Copy the termination variable to the device |
| err = hipMemcpy(stop_d, &stop, sizeof(int), hipMemcpyHostToDevice); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: write stop_d: %s\n", hipGetErrorString(err)); |
| } |
| |
| // Launch the color kernel 1 |
| hipLaunchKernelGGL(HIP_KERNEL_NAME(color1), dim3(grid), dim3(threads ), 0, 0, row_d, col_d, node_value_d, color_d, |
| stop_d, max_d, graph_color, num_nodes, |
| num_edges); |
| |
| // Launch the color kernel 2 |
| hipLaunchKernelGGL(HIP_KERNEL_NAME(color2), dim3(grid), dim3(threads ), 0, 0, node_value_d, color_d, max_d, graph_color, |
| num_nodes, num_edges); |
| |
| err = hipMemcpy(&stop, stop_d, sizeof(int), hipMemcpyDeviceToHost); |
| if (err != hipSuccess) { |
| fprintf(stderr, "ERROR: read stop_d: %s\n", hipGetErrorString(err)); |
| } |
| |
| // Increment the color for the next iter |
| graph_color++; |
| |
| } |
| hipDeviceSynchronize(); |
| |
| // double timer4 = gettime(); |
| |
| // Copy back the color array |
| err = hipMemcpy(color, color_d, num_nodes * sizeof(int), hipMemcpyDeviceToHost); |
| if (err != hipSuccess) { |
| printf("ERROR: hipMemcpy(): %s\n", hipGetErrorString(err)); |
| return -1; |
| } |
| |
| #ifdef GEM5_FUSION |
| m5_work_end(0, 0); |
| #endif |
| |
| // double timer2 = gettime(); |
| |
| // Print out color and timing statistics |
| printf("total number of colors used: %d\n", graph_color); |
| // printf("kernel time = %lf ms\n", (timer4 - timer3) * 1000); |
| // printf("kernel + memcpy time = %lf ms\n", (timer2 - timer1) * 1000); |
| |
| #if 1 |
| // Dump the color array into an output file |
| print_vector(color, num_nodes); |
| #endif |
| |
| // Free host-side buffers |
| free(node_value); |
| free(color); |
| csr->freeArrays(); |
| free(csr); |
| |
| // Free CUDA buffers |
| hipFree(row_d); |
| hipFree(col_d); |
| hipFree(max_d); |
| hipFree(color_d); |
| hipFree(node_value_d); |
| hipFree(stop_d); |
| |
| return 0; |
| |
| } |
| |
| void print_vector(int *vector, int num) |
| { |
| FILE * fp = fopen("result.out", "w"); |
| if (!fp) { |
| printf("ERROR: unable to open result.txt\n"); |
| } |
| |
| for (int i = 0; i < num; i++) |
| fprintf(fp, "%d: %d\n", i + 1, vector[i]); |
| |
| fclose(fp); |
| } |