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simplify notations

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François Boulogne
2014-09-04 18:00:56 -04:00
parent ffe7156f31
commit 5920d6788d
1 changed files with 4 additions and 4 deletions
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doc/source/user_guide/parallelization.txt
+4 -4
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@@ -15,7 +15,7 @@ on a large batch of images. Here is an example:
"""
Apply some functions and return an image.
"""
image = denoise_tv_chambolle(image, weight=0.1, multichannel=True)
image = denoise_tv_chambolle(image[0][0], weight=0.1, multichannel=True)
fd, hog_image = hog(color.rgb2gray(image), orientations=8,
pixels_per_cell=(16, 16), cells_per_block=(1, 1),
visualise=True)
@@ -35,7 +35,7 @@ use ipython and measure the execution time with ``%timeit``.
def classic_loop():
for image in pics:
task(image[0][0])
task(image)
%timeit classic_loop()
@@ -45,7 +45,7 @@ Another equivalent way to code this loop is to use a comprehension list which ha
.. code-block:: python
def comprehension_loop():
[task(image[0][0]) for image in pics]
[task(image) for image in pics]
%timeit comprehension_loop()
@@ -56,6 +56,6 @@ The number of jobs can be specified.
from joblib import Parallel, delayed
def joblib_loop():
Parallel(n_jobs=4)(delayed(task)(i[0][0]) for i in pics)
Parallel(n_jobs=4)(delayed(task)(i) for i in pics)
%timeit joblib_loop()