bench = Benchmarker()
bench.start()
Length = N * 2.5 / 100.
nx = N
ny = N
dx = Length / nx
dy = Length / ny
radius = Length / 4.
seedCenter = (Length / 2., Length / 2.)
initialTemperature = -0.4
from fipy.meshes.grid2D import Grid2D
mesh = Grid2D(dx=dx, dy=dy, nx=nx, ny=ny)
bench.stop('mesh')
bench.start()
timeStepDuration = 5e-5
tau = 3e-4
alpha = 0.015
c = 0.02
N = 4.
kappa1 = 0.9
kappa2 = 20.
tempDiffusionCoeff = 2.25
theta = 0.
from fipy.variables.cellVariable import CellVariable
phase = CellVariable(name='phase field', mesh=mesh, hasOld=1)
x, y = mesh.getCellCenters()[...,0], mesh.getCellCenters()[...,1]
if numberOfElements != -1:
pos = trenchSpacing * cellsBelowTrench / 4 / numberOfElements
sqr = trenchSpacing * (trenchDepth + boundaryLayerDepth) \
/ (2 * numberOfElements)
cellSize = pos + numerix.sqrt(pos**2 + sqr)
else:
cellSize = 0.1e-7
yCells = cellsBelowTrench \
+ int((trenchDepth + boundaryLayerDepth) / cellSize)
xCells = int(trenchSpacing / 2 / cellSize)
from fipy.meshes.grid2D import Grid2D
mesh = Grid2D(dx=cellSize, dy=cellSize, nx=xCells, ny=yCells)
bench.stop('mesh')
bench.start()
narrowBandWidth = numberOfCellsInNarrowBand * cellSize
from fipy.models.levelSet.distanceFunction.distanceVariable import \
DistanceVariable
distanceVar = DistanceVariable(name='distance variable',
mesh=mesh,
value=-1,
narrowBandWidth=narrowBandWidth,
hasOld=1)
bottomHeight = cellsBelowTrench * cellSize
trenchHeight = bottomHeight + trenchDepth
$ python setup.py efficiency_test
"""
__docformat__ = 'restructuredtext'
if __name__ == "__main__":
from fipy.tools.parser import parse
from benchmarker import Benchmarker
bench = Benchmarker()
numberOfElements = parse('--numberOfElements',
action='store',
type='int',
default=100)
bench.start()
from fipy.tools import numerix
nx = int(numerix.sqrt(numberOfElements))
ny = nx
dx = 1.
dy = 1.
from fipy.meshes.grid2D import Grid2D
mesh = Grid2D(nx=nx, ny=nx, dx=dx, dy=dy)
bench.stop('mesh')
print bench.report(numberOfElements=numberOfElements)
r"""
This example benchmarks the speed and memory usage of creating a mesh. Run:
$ python setup.py efficiency_test
"""
__docformat__ = 'restructuredtext'
if __name__ == "__main__":
from fipy.tools.parser import parse
from benchmarker import Benchmarker
bench = Benchmarker()
numberOfElements = parse('--numberOfElements', action = 'store', type = 'int', default = 100)
bench.start()
from fipy.tools import numerix
nx = int(numerix.sqrt(numberOfElements))
ny = nx
dx = 1.
dy = 1.
from fipy.meshes.grid2D import Grid2D
mesh = Grid2D(nx = nx, ny = nx, dx = dx, dy = dy)
bench.stop('mesh')
print bench.report(numberOfElements=numberOfElements)