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authorTor Aamodt <[email protected]>2010-07-15 18:09:46 -0800
committerTor Aamodt <[email protected]>2010-07-15 18:09:46 -0800
commit69f2911e04ffb1b19eef1fafb8c040af271f656e (patch)
tree231d3b6bdc3a202f7c255bfcf7bf2c36e32cee9e /libopencl/nvopencl_wrapper.cc
creating branch for adding support for CUDA 3.x and Fermi
[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 6829]
Diffstat (limited to 'libopencl/nvopencl_wrapper.cc')
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1 files changed, 124 insertions, 0 deletions
diff --git a/libopencl/nvopencl_wrapper.cc b/libopencl/nvopencl_wrapper.cc
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+/*
+ * 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 <CL/cl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+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;
+}