diff options
| -rw-r--r-- | get_global_id_2d.c | 15 | ||||
| -rw-r--r-- | global_id2d.cl | 3 |
2 files changed, 10 insertions, 8 deletions
diff --git a/get_global_id_2d.c b/get_global_id_2d.c index ae940e7..be16038 100644 --- a/get_global_id_2d.c +++ b/get_global_id_2d.c @@ -5,6 +5,8 @@ #include "util.h" +#define GLOBAL_DIM_X 10 +#define GLOBAL_DIM_Y 10 int main (int argc, char ** argv) { @@ -12,8 +14,9 @@ int main (int argc, char ** argv) cl_int error; cl_mem out_buffer; - int out_data[10][10]; - size_t global_work_size[2] = {10, 10}; + int out_data[GLOBAL_DIM_X * GLOBAL_DIM_Y]; + size_t global_work_size[2] = {GLOBAL_DIM_X, GLOBAL_DIM_Y}; + size_t local_work_size[2] = {5, 5}; struct clu_context context; @@ -36,7 +39,7 @@ int main (int argc, char ** argv) 2, /* dimensions */ NULL, global_work_size, - global_work_size, + local_work_size, 0, NULL, NULL); assert(error == CL_SUCCESS); @@ -51,9 +54,9 @@ int main (int argc, char ** argv) assert(error == CL_SUCCESS); - for (i = 0; i < 10; i++) { - for (j = 0; j < 10; j++) { - fprintf(stderr, "%2u ", out_data[i][j]); + for (i = 0; i < GLOBAL_DIM_X; i++) { + for (j = 0; j < GLOBAL_DIM_Y; j++) { + fprintf(stderr, "%2u ", out_data[i * GLOBAL_DIM_Y + j]); } fprintf(stderr, "\n"); } diff --git a/global_id2d.cl b/global_id2d.cl index 08f9fd8..b5519c6 100644 --- a/global_id2d.cl +++ b/global_id2d.cl @@ -2,8 +2,7 @@ __kernel void global_id2d(__global int * out) { unsigned x = get_global_id(0); unsigned y = get_global_id(1); - unsigned id = (y * 10) + x; + unsigned id = (y * get_global_size(1)) + x; out[id] = id; - } |