Plot Julia set C++/OpenCL/CUDA/OpenMP
License: Apache License 2.0
Plot Julia set with C++/OpenCL/CUDA/OpenMP
The output image should be the same or at least similiar for different implementation if the same parameters are used. It can be download at julia_20K.(right click on the text and Save link as...)
Result is shown below, Z = Z^2 + C, when C = -0.8 + 0.156i, display area ranging from -1.5 to 1.5 both on real axis and imaginary axis.
For detail, please go to my blog.
Full result
Part 1
Part 2
Part 3
Hi,
Thx for the program
You put pragma inside external loop:
for (register int i = 0; i < DIM; i++) {
register int j;
#pragma omp parallel for private(j) num_threads(6)
for (j = 0; j < DIM; j++) {Are you sure it?
I put it outside external loop :
// https://commons.wikimedia.org/wiki/File:Cubic_Julia_set_C_%3D-0.040000000000000036-0.78*I_with_internal_level_curves.png
int
DrawFatouImageLSM (unsigned char A[], int IterMax)
{
unsigned int ix, iy; // pixel coordinate
fprintf (stdout, "compute Fatou image LSM\n");
// for all pixels of image
#pragma omp parallel for schedule(dynamic) private(ix,iy) shared(A, ixMax , iyMax, uUnknown, uInterior, uExterior)
for (iy = iyMin; iy <= iyMax; ++iy)
{
fprintf (stderr, " %d from %d \r", iy, iyMax); //info
for (ix = ixMin; ix <= ixMax; ++ix)
DrawFatouPointLSM (A, ix, iy, IterMax); //
}
return 0;
}What do you think about it ?
Adam
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