[Scipy-tickets] [SciPy] #1190: scipy.signal.lfilter memory leak when size of signal is similar to size of filter

SciPy Trac scipy-tickets@scipy....
Tue Jun 1 22:38:50 CDT 2010


#1190: scipy.signal.lfilter memory leak when size of signal is similar to size of
filter
-------------------------+--------------------------------------------------
 Reporter:  hogu         |       Owner:  somebody   
     Type:  defect       |      Status:  new        
 Priority:  normal       |   Milestone:  Unscheduled
Component:  Other        |     Version:  0.7.0      
 Keywords:  memory leak  |  
-------------------------+--------------------------------------------------
 import numpy as np
 import scipy.signal

 temp = np.random.random(200)
 for c in range(200000):
     print c
     temp2 = scipy.signal.lfilter(np.ones(180), [1], temp)


 this causes my process memory to grow

 I am on ubuntu lucid lynx with  libatlas3gf-sse2    if that is relevant

-- 
Ticket URL: <http://projects.scipy.org/scipy/ticket/1190>
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