[Numpy-discussion] profile reveals calls to astype()
Curzio Basso
curzio.basso at unibas.ch
Thu Apr 7 09:58:40 EDT 2005
Hi all,
I have a problem trying to profile a program using numarray, maybe someone with more experience can
give me a hint...
basically, the program I am profiling has a function like this:
foo():
# some code
# a call to astype()
for i in xrange(N):
# some other code and NO explicit call to astype()
the problem is that when I print the 'callees' of foo(), astype() gets listed with an occurrence of
N+1, as if it was called inside the loop.
So now the first doubt I have is that astype() gets listed because called from some function called
by foo(), even if this should not happen. Here is the list of numarray functions called in foo()
Function called...
generic.py:651(getshape)(14) 0.070
generic.py:918(reshape)(2) 0.000
generic.py:1013(where)(2) 0.050
generic.py:1069(concatenate)(2) 4.270
morphology.py:150(binary_erosion)(2) 0.070
numarraycore.py:698(__del__)(120032) 3.240
numarraycore.py:817(astype)(12002) 37.290
numarraycore.py:857(is_c_array)(36000) 10.450
numarraycore.py:878(type)(4) 0.000
numarraycore.py:964(__mul__)(12) 0.340
numarraycore.py:981(__div__)(8) 0.010
numarraycore.py:1068(__pow__)(8) 0.000
numarraycore.py:1180(__imul__)(12000) 0.930
numarraycore.py:1250(__eq__)(2) 0.080
numarraycore.py:1400(zeros)(54) 0.060
numarraycore.py:1409(ones)(8) 0.020
The second thing I can think of is that astype() is implicitly called by some conversion. Can this be?
curzio
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