aaron/ispc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

changed notation, task[Index,Count]_[x,y,z] -> task[Index,Count][1,2,3]. Change launch <<< nx,ny,nz >>> into launch [nx,ny,nz] or equivalent launch [nz][ny][nx]. Programmer can pick the one the is liked the most

Browse Source
This commit is contained in:
Evghenii
2013-10-24 13:16:23 +02:00
parent e6c8765891
commit 43761173ec
7 changed files with 122 additions and 120 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
examples/mandelbrot_tasks3d/mandelbrot_tasks3d.ispc
View File

@@ -59,16 +59,10 @@ mandelbrot_scanline(uniform float x0, uniform float dx,
uniform int width, uniform int height,
uniform int xspan, uniform int yspan,
uniform int maxIterations, uniform int output[]) {
#if 0
print("taskIndex = % : % \n", taskIndex);
print("taskIndex_x= % : % \n", taskIndex_x);
print("taskIndex_y= % : % \n", taskIndex_y);
print(" --- \n");
#endif
const uniform int xstart = taskIndex_x * xspan;
const uniform int xstart = taskIndex1 * xspan;
const uniform int xend = min(xstart + xspan, width);
const uniform int ystart = taskIndex_y * yspan;
const uniform int ystart = taskIndex2 * yspan;
const uniform int yend = min(ystart + yspan, height);
@@ -90,10 +84,15 @@ mandelbrot_ispc(uniform float x0, uniform float y0,
uniform int maxIterations, uniform int output[]) {
uniform float dx = (x1 - x0) / width;
uniform float dy = (y1 - y0) / height;
const uniform int xspan = 16;
const uniform int xspan = 16; /* make sure it is big enough to avoid false-sharing */
const uniform int yspan = 16;
launch <<<width/xspan, height/yspan>>>
#if 1
launch [width/xspan, height/yspan]
#else
launch [height/yspan][width/xspan]
#endif
mandelbrot_scanline(x0, dx, y0, dy, width, height, xspan, yspan,
maxIterations, output);
}