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remove denominator from host

master
anapt 7 years ago
parent
commit
bcdbd2913e
  1. 56
      mean_shift_cuda/meanshift_gpu_utils.cu

56
mean_shift_cuda/meanshift_gpu_utils.cu

@ -104,19 +104,19 @@ int meanshift(double **original_points, double ***shifted_points, int deviation
// calculates denominator
calculate_denominator(d_kernel_matrix, d_denominator, &denominator);
size = NUMBER_OF_POINTS * sizeof(double);
// tic
gettimeofday (&start, NULL);
gpuErrchk( cudaMemcpy(d_denominator.elements, &(denominator[0])
, size, cudaMemcpyHostToDevice) );
// toc
gettimeofday (&end, NULL);
seq = (double)((end.tv_usec - start.tv_usec)/1.0e6 + end.tv_sec - start.tv_sec);
// printf("%s wall clock time = %f\n","Device memory allocation", seq);
// to create output data file
printf("%f ", seq);
// size = NUMBER_OF_POINTS * sizeof(double);
// // tic
// gettimeofday (&start, NULL);
// gpuErrchk( cudaMemcpy(d_denominator.elements, &(denominator[0])
// , size, cudaMemcpyHostToDevice) );
// // toc
// gettimeofday (&end, NULL);
// seq = (double)((end.tv_usec - start.tv_usec)/1.0e6 + end.tv_sec - start.tv_sec);
//
//
//// printf("%s wall clock time = %f\n","Device memory allocation", seq);
// // to create output data file
// printf("%f ", seq);
// creates new y vector
@ -289,21 +289,21 @@ void calculate_denominator(Matrix d_kernel_matrix, Matrix d_denominator, double
first_iter = false;
}
size = NUMBER_OF_POINTS * sizeof(double);
// tic
gettimeofday (&start, NULL);
gpuErrchk( cudaMemcpy(&((*denominator)[0]), d_denominator.elements
, size, cudaMemcpyDeviceToHost) );
// toc
gettimeofday (&end, NULL);
seq = (double)((end.tv_usec - start.tv_usec)/1.0e6 + end.tv_sec - start.tv_sec);
// printf("%s wall clock time = %f\n","Copying from device to host", seq);
// to create output data file
printf("%f ", seq);
// size = NUMBER_OF_POINTS * sizeof(double);
// // tic
// gettimeofday (&start, NULL);
//
// gpuErrchk( cudaMemcpy(&((*denominator)[0]), d_denominator.elements
// , size, cudaMemcpyDeviceToHost) );
//
// // toc
// gettimeofday (&end, NULL);
// seq = (double)((end.tv_usec - start.tv_usec)/1.0e6 + end.tv_sec - start.tv_sec);
//
//
//// printf("%s wall clock time = %f\n","Copying from device to host", seq);
// // to create output data file
// printf("%f ", seq);
}
void shift_points(Matrix d_kernel_matrix, Matrix d_original_points, Matrix d_shifted_points,

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