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annotate printGpuInfo/printGpuInfo.cc @ 11:53e22a570937

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add gpuInfo opencl example
author Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
date Mon, 11 Feb 2013 20:02:23 +0900
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53e22a570937 add gpuInfo opencl example
Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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1 #include <OpenCL/opencl.h>
53e22a570937 add gpuInfo opencl example
Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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2 #include <stdio.h>
53e22a570937 add gpuInfo opencl example
Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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3 int main() {
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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4 cl_int work_item_dim;
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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5 size_t work_item_sizes[3];
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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6 size_t work_group_size;
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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7 cl_platform_id platform_id;
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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8 cl_uint ret;
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9 cl_device_id device_id;
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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10 clGetPlatformIDs(1, &platform_id, &ret);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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11 clGetDeviceIDs(platform_id, CL_DEVICE_TYPE_GPU, 1, &device_id, &ret);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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12 clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS, sizeof(cl_uint), &work_item_dim, NULL);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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13 clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_ITEM_SIZES, sizeof(work_item_sizes), work_item_sizes, NULL);
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14 clGetDeviceInfo(device_id, CL_DEVICE_MAX_WORK_GROUP_SIZE, sizeof(size_t), &work_group_size, NULL);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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15 printf("Max work-item dimensions : %d \n",work_item_dim);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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16 printf("Max work-item work-item sizes : %ld %ld %ld \n",work_item_sizes[0],work_item_sizes[1],work_item_sizes[2]);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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17 printf("Max work-group size: %ld \n",work_group_size);
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Yuhi TOMARI <yuhi@cr.ie.u-ryukyu.ac.jp>
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18 return 0;
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19 }