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device mem allocation timer

master
anapt 7 years ago
parent
commit
fa2e3518d7
  1. 12
      mean_shift_cuda/meanshift_gpu_utils.cu

12
mean_shift_cuda/meanshift_gpu_utils.cu

@ -10,8 +10,8 @@
cudaDeviceProp device_properties;
struct timeval startwtime, endwtime;
double seq_time;
struct timeval start, end;
double seq;
//Based on https://stackoverflow.com/a/28113186
//Pio psagmeno link https://www.cs.virginia.edu/~csadmin/wiki/index.php/CUDA_Support/Choosing_a_GPU
@ -81,17 +81,17 @@ int meanshift(double **original_points, double ***shifted_points, int deviation
denominator = (double *)malloc(NUMBER_OF_POINTS * sizeof(double));
// tic
gettimeofday (&startwtime, NULL);
gettimeofday (&start, NULL);
// allocates corresponding memory in device
init_device_memory(original_points, *shifted_points, &d_original_points, &d_shifted_points,
&d_kernel_matrix, &d_denominator, &d_mean_shift_vector);
// toc
gettimeofday (&endwtime, NULL);
seq_time = (double)((endwtime.tv_usec - startwtime.tv_usec)/1.0e6 + endwtime.tv_sec - startwtime.tv_sec);
gettimeofday (&end, NULL);
seq = (double)((end.tv_usec - start.tv_usec)/1.0e6 + end.tv_sec - start.tv_sec);
if (params.verbose){
printf("%s wall clock time = %f\n","Device memory allocation", seq_time);
printf("%s wall clock time = %f\n","Device memory allocation", seq);
}
}

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