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Better alternating between video cards

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This commit is contained in:
Joseph Redmon 2014-04-17 23:14:13 -07:00
parent ac82bde55f
commit 324e0a33dd
2 changed files with 45 additions and 36 deletions
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77
src/opencl.c
View File

@ -2,6 +2,9 @@
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include <time.h>
#include <unistd.h>
cl_info cl = {0}; cl_info cl = {0};
@ -12,22 +15,28 @@ void check_error(cl_info info)
} }
} }
#define MAX_DEVICES 10
cl_info cl_init() cl_info cl_init()
{ {
cl_info info; cl_info info;
info.initialized = 0; info.initialized = 0;
//cl_uint num_platforms, num_devices; cl_uint num_platforms, num_devices;
// Fetch the Platform and Device IDs; we only want one. // Fetch the Platform and Device IDs; we only want one.
cl_device_id devices[2]; cl_device_id devices[MAX_DEVICES];
info.error=clGetPlatformIDs(1, &info.platform, 0); info.error=clGetPlatformIDs(1, &info.platform, &num_platforms);
check_error(info); check_error(info);
info.error=clGetDeviceIDs(info.platform, CL_DEVICE_TYPE_ALL, 2, devices, 0); info.error=clGetDeviceIDs(info.platform, CL_DEVICE_TYPE_ALL, MAX_DEVICES, devices, &num_devices);
info.device = devices[rand()%2]; if(num_devices > MAX_DEVICES) num_devices = MAX_DEVICES;
int index = getpid()%num_devices;
printf("%d rand, %d devices, %d index\n", getpid(), num_devices, index);
info.device = devices[index];
fprintf(stderr, "Found %d device(s)\n", num_devices);
check_error(info); check_error(info);
cl_context_properties properties[]={ cl_context_properties properties[]={
CL_CONTEXT_PLATFORM, (cl_context_properties)info.platform, CL_CONTEXT_PLATFORM, (cl_context_properties)info.platform,
0}; 0};
// Note that nVidia's OpenCL requires the platform property // Note that nVidia's OpenCL requires the platform property
info.context=clCreateContext(properties, 1, &info.device, 0, 0, &info.error); info.context=clCreateContext(properties, 1, &info.device, 0, 0, &info.error);
check_error(info); check_error(info);
@ -39,41 +48,41 @@ cl_info cl_init()
cl_program cl_fprog(char *filename, char *options, cl_info info) cl_program cl_fprog(char *filename, char *options, cl_info info)
{ {
size_t srcsize; size_t srcsize;
char src[8192]; char src[8192];
memset(src, 0, 8192); memset(src, 0, 8192);
FILE *fil=fopen(filename,"r"); FILE *fil=fopen(filename,"r");
srcsize=fread(src, sizeof src, 1, fil); srcsize=fread(src, sizeof src, 1, fil);
fclose(fil); fclose(fil);
const char *srcptr[]={src}; const char *srcptr[]={src};
// Submit the source code of the example kernel to OpenCL // Submit the source code of the example kernel to OpenCL
cl_program prog=clCreateProgramWithSource(info.context,1, srcptr, &srcsize, &info.error); cl_program prog=clCreateProgramWithSource(info.context,1, srcptr, &srcsize, &info.error);
check_error(info); check_error(info);
char build_c[4096]; char build_c[4096];
// and compile it (after this we could extract the compiled version) // and compile it (after this we could extract the compiled version)
info.error=clBuildProgram(prog, 0, 0, options, 0, 0); info.error=clBuildProgram(prog, 0, 0, options, 0, 0);
if ( info.error != CL_SUCCESS ) { if ( info.error != CL_SUCCESS ) {
fprintf(stderr, "Error Building Program: %d\n", info.error); fprintf(stderr, "Error Building Program: %d\n", info.error);
clGetProgramBuildInfo( prog, info.device, CL_PROGRAM_BUILD_LOG, 4096, build_c, 0); clGetProgramBuildInfo( prog, info.device, CL_PROGRAM_BUILD_LOG, 4096, build_c, 0);
fprintf(stderr, "Build Log for %s program:\n%s\n", filename, build_c); fprintf(stderr, "Build Log for %s program:\n%s\n", filename, build_c);
} }
return prog; return prog;
} }
void cl_setup() void cl_setup()
{ {
if(!cl.initialized){ if(!cl.initialized){
cl = cl_init(); cl = cl_init();
} }
} }
cl_kernel get_kernel(char *filename, char *kernelname, char *options) cl_kernel get_kernel(char *filename, char *kernelname, char *options)
{ {
cl_setup(); cl_setup();
cl_program prog = cl_fprog(filename, options, cl); cl_program prog = cl_fprog(filename, options, cl);
cl_kernel kernel=clCreateKernel(prog, kernelname, &cl.error); cl_kernel kernel=clCreateKernel(prog, kernelname, &cl.error);
check_error(cl); check_error(cl);
return kernel; return kernel;
} }

4
src/tests.c
View File

@ -672,8 +672,6 @@ void features_VOC_image(char *image_file, char *image_dir, char *out_dir, int fl
if (flip)sprintf(out_path, "%s%d/%s_r.txt",out_dir, interval, image_file); if (flip)sprintf(out_path, "%s%d/%s_r.txt",out_dir, interval, image_file);
else sprintf(out_path, "%s%d/%s.txt",out_dir, interval, image_file); else sprintf(out_path, "%s%d/%s.txt",out_dir, interval, image_file);
printf("%s\n", image_file); printf("%s\n", image_file);
FILE *fp = fopen(out_path, "w");
if(fp == 0) file_error(out_path);
IplImage* src = 0; IplImage* src = 0;
if( (src = cvLoadImage(image_path,-1)) == 0 ) file_error(image_path); if( (src = cvLoadImage(image_path,-1)) == 0 ) file_error(image_path);
@ -709,6 +707,8 @@ void features_VOC_image(char *image_file, char *image_dir, char *out_dir, int fl
ims[j+interval] = features_output_size(net, src, ex_h, ex_w); ims[j+interval] = features_output_size(net, src, ex_h, ex_w);
} }
} }
FILE *fp = fopen(out_path, "w");
if(fp == 0) file_error(out_path);
for(i = 0; i < max_scale+interval; ++i){ for(i = 0; i < max_scale+interval; ++i){
image out = ims[i]; image out = ims[i];
fprintf(fp, "%d, %d, %d\n",out.c, out.h, out.w); fprintf(fp, "%d, %d, %d\n",out.c, out.h, out.w);