jan/opencl_fdtd
2
2
Fork 1
Code Issues Pull Requests Releases Wiki Activity

call overhead still way too big

Browse Source
This commit is contained in:
jan 2016-07-16 18:07:54 -07:00
parent a6e601b648
commit 6c3313d7c9
2 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
fdtd.py
View File

@ -75,7 +75,7 @@ def perturbed_l3(a: float, radius: float, **kwargs) -> Pattern:
def main(): def main():
max_t = 8000 # number of timesteps max_t = 8000 # number of timesteps
dx = 40 # discretization (nm/cell) dx = 15 # discretization (nm/cell)
pml_thickness = 8 # (number of cells) pml_thickness = 8 # (number of cells)
wl = 1550 # Excitation wavelength and fwhm wl = 1550 # Excitation wavelength and fwhm
@ -109,13 +109,16 @@ def main():
eps=n_slab**2) eps=n_slab**2)
mask = perturbed_l3(a, r) mask = perturbed_l3(a, r)
grid.draw_polygons(surface_normal=gridlock.Direction.z, for i in range(5000):
print(i)
grid.draw_polygons(surface_normal=gridlock.Direction.z,
center=[0, 0, 0], center=[0, 0, 0],
thickness=2 * th, thickness=2 * th,
eps=n_air**2, eps=n_air**2,
polygons=mask.as_polygons()) polygons=mask.as_polygons())
return
print(grid.shape) print(grid.shape, numpy.prod(grid.shape))
# #### Create the simulation grid #### # #### Create the simulation grid ####
sim = Simulation(grid.grids) sim = Simulation(grid.grids)

3
fdtd/base.py
View File

@ -30,7 +30,8 @@ const int diy = sz;
const int diz = 1; const int diz = 1;
""" """
# Given a linear index i and shape sx, sy, sz, defines x, y, and z as the 3D indices of the current element (i). # Given a linear index i and shape sx, sy, sz, defines x, y, and z
# as the 3D indices of the current element (i).
xyz_source = """ xyz_source = """
// Convert linear index to field index (xyz) // Convert linear index to field index (xyz)
const int x = i / (sz * sy); const int x = i / (sz * sy);