From 69f2911e04ffb1b19eef1fafb8c040af271f656e Mon Sep 17 00:00:00 2001 From: Tor Aamodt Date: Thu, 15 Jul 2010 18:09:46 -0800 Subject: creating branch for adding support for CUDA 3.x and Fermi [git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 6829] --- libopencl/nvopencl_wrapper.cc | 124 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 libopencl/nvopencl_wrapper.cc (limited to 'libopencl/nvopencl_wrapper.cc') diff --git a/libopencl/nvopencl_wrapper.cc b/libopencl/nvopencl_wrapper.cc new file mode 100644 index 0000000..e68dfca --- /dev/null +++ b/libopencl/nvopencl_wrapper.cc @@ -0,0 +1,124 @@ +/* + * Copyright © 2009 by Tor M. Aamodt and the University of British Columbia, + * Vancouver, BC V6T 1Z4, All Rights Reserved. + * + * THIS IS A LEGAL DOCUMENT BY DOWNLOADING GPGPU-SIM, YOU ARE AGREEING TO THESE + * TERMS AND CONDITIONS. + * + * 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 AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNERS 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. + * + * NOTE: The files libcuda/cuda_runtime_api.c and src/cuda-sim/cuda-math.h + * are derived from the CUDA Toolset available from http://www.nvidia.com/cuda + * (property of NVIDIA). The files benchmarks/BlackScholes/ and + * benchmarks/template/ are derived from the CUDA SDK available from + * http://www.nvidia.com/cuda (also property of NVIDIA). The files from + * src/intersim/ are derived from Booksim (a simulator provided with the + * textbook "Principles and Practices of Interconnection Networks" available + * from http://cva.stanford.edu/books/ppin/). As such, those files are bound by + * the corresponding legal terms and conditions set forth separately (original + * copyright notices are left in files from these sources and where we have + * modified a file our copyright notice appears before the original copyright + * notice). + * + * Using this version of GPGPU-Sim requires a complete installation of CUDA + * which is distributed seperately by NVIDIA under separate terms and + * conditions. To use this version of GPGPU-Sim with OpenCL requires a + * recent version of NVIDIA's drivers which support OpenCL. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * 3. Neither the name of the University of British Columbia nor the names of + * its contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * 4. This version of GPGPU-SIM is distributed freely for non-commercial use only. + * + * 5. No nonprofit user may place any restrictions on the use of this software, + * including as modified by the user, by any other authorized user. + * + * 6. GPGPU-SIM was developed primarily by Tor M. Aamodt, Wilson W. L. Fung, + * Ali Bakhoda, George L. Yuan, at the University of British Columbia, + * Vancouver, BC V6T 1Z4 + */ + +#include +#include +#include +#include + +int main(int argc, const char **argv) +{ + cl_context context; + cl_program pgm; + cl_int errcode; + + FILE *fp = fopen(argv[1],"r"); + if ( fp == NULL ) exit(1); + fseek(fp,0,SEEK_END); + size_t source_length = ftell(fp); + if ( source_length == 0 ) exit(2); + char *source = (char*)calloc(source_length+1,1); + fseek(fp,0,SEEK_SET); + fread(source,1,source_length,fp); + + context = clCreateContextFromType(0, CL_DEVICE_TYPE_GPU, NULL, NULL, &errcode); + if ( errcode != CL_SUCCESS ) exit(3); + pgm = clCreateProgramWithSource(context, 1, (const char **)&source, &source_length, &errcode); + if ( errcode != CL_SUCCESS ) exit(4); + + char options[4096]; + unsigned n=0; + options[0]=0; + for ( int i=3; i < argc; i++ ) { + snprintf(options+n,4096-n," %s ", argv[i] ); + n+= strlen(argv[i]); + n+= 2; + } + errcode = clBuildProgram(pgm, 0, NULL, options, NULL, NULL); + if ( errcode != CL_SUCCESS ) exit(5); + + size_t nbytes1=0; + cl_uint num_devices; + errcode = clGetProgramInfo(pgm,CL_PROGRAM_NUM_DEVICES,sizeof(cl_uint),&num_devices,&nbytes1); + if ( errcode != CL_SUCCESS ) exit(6); + + size_t nbytes2=0; + size_t *binary_sizes = (size_t*)calloc(num_devices,sizeof(size_t)); + errcode = clGetProgramInfo(pgm,CL_PROGRAM_BINARY_SIZES,sizeof(size_t)*num_devices,binary_sizes,&nbytes2); + if ( errcode != CL_SUCCESS ) exit(7); + + unsigned char **binaries = (unsigned char**)calloc(num_devices,sizeof(unsigned char*)); + size_t bytes_to_read = 0; + + for (unsigned int i=0; i < num_devices; i++ ) { + binaries[i] = (unsigned char*) calloc(binary_sizes[i],1); + bytes_to_read += binary_sizes[i]; + } + + size_t nbytes3=0; + errcode = clGetProgramInfo(pgm,CL_PROGRAM_BINARIES,bytes_to_read,binaries,&nbytes3); + if ( errcode != CL_SUCCESS ) exit(8); + + fp = fopen(argv[2],"w"); + fprintf(fp,"%s",binaries[0]); + fclose(fp); + return 0; +} -- cgit v1.3