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When I try to load a large file (>1GB) cPickle crashes with a MemoryError:
$python test.py
Traceback (most recent call last):
 File "/tmp/test.py", line 8, in <module>
 A2 = cPickle.load(f2)
MemoryError
test.py contains following code:
import numpy as np
import cPickle
A = np.random.randn(196,240000)
f = open('test.pydat', 'w')
cPickle.dump(A,f)
f.close()
f2 = open('test.pydat', 'rb')
A2 = cPickle.load(f2)
System:
cPickle 1.71
python 2.7.2
Ubuntu 11.10 amd64
Memory is not an issue as a) pickle works nicely and b) my computer has 122GB free RAM