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| author | Stefan Behnel <stefan_ml@behnel.de> | 2015-10-01 11:12:35 +0200 |
|---|---|---|
| committer | Stefan Behnel <stefan_ml@behnel.de> | 2015-10-01 11:12:35 +0200 |
| commit | 5dc357fef34ee852ce7ef1b38fcbb572556f0689 (patch) | |
| tree | 204d8263fe78775b1f63e51070a84c682a6e984c /Demos | |
| parent | 6eed305ada04e6e6bf9322447c0f83c26f132a6b (diff) | |
| download | cython-5dc357fef34ee852ce7ef1b38fcbb572556f0689.tar.gz | |
speed up chaos benchmark some more
Diffstat (limited to 'Demos')
| -rw-r--r-- | Demos/benchmarks/chaos.py | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Demos/benchmarks/chaos.py b/Demos/benchmarks/chaos.py index faaecec59..36bd1bcd3 100644 --- a/Demos/benchmarks/chaos.py +++ b/Demos/benchmarks/chaos.py @@ -97,7 +97,8 @@ class Spline(object): self.knots[len(self.knots) - self.degree]) @cython.locals(ik=cython.long, ii=cython.long, I=cython.long, - ua=cython.long, ub=cython.long, u=cython.double) + ua=cython.long, ub=cython.long, u=cython.double, + dom=(cython.long, cython.long)) def __call__(self, u): """Calculates a point of the B-Spline using de Boors Algorithm""" dom = self.GetDomain() @@ -121,7 +122,7 @@ class Spline(object): d[index] = d[index].linear_combination(d[index + 1], co1, co2) return d[0] - @cython.locals(ii=cython.long, I=cython.long) + @cython.locals(ii=cython.long, I=cython.long, dom=(cython.long, cython.long)) def GetIndex(self, u): dom = self.GetDomain() for ii in range(self.degree - 1, len(self.knots) - self.degree): @@ -212,6 +213,7 @@ class Chaosgame(object): if point.y < self.miny: point.y = self.miny + @cython.locals(x=cython.long, y=cython.long) def create_image_chaos(self, timer, w, h, n): im = [[1] * h for i in range(w)] point = GVector((self.maxx + self.minx) / 2, @@ -221,10 +223,8 @@ class Chaosgame(object): t1 = timer() for i in range(5000): point = self.transform_point(point) - x = (point.x - self.minx) / self.width * w - y = (point.y - self.miny) / self.height * h - x = int(x) - y = int(y) + x = int((point.x - self.minx) / self.width * w) + y = int((point.y - self.miny) / self.height * h) if x == w: x -= 1 if y == h: |