On 2010-07-21 18:41, David Kirkby wrote:
> What particular test is using a lot of RAM?
In particular sage/schemes/elliptic_curves/heegner.py (but also others
from elliptic_curves) from vanilla sage 4.5.1:
$ ulimit -v 1900000 # Use at most 1,945,600,000 bytes of virtual memory
$ sage -t sage/schemes/elliptic_curves/heegner.py
File "[...]/sage/schemes/elliptic_curves/heegner.py", line 4646:
sage: H.optimal_embeddings(-7, 1, R)
Exception raised:
Traceback (most recent call last):
[...]
MemoryError: Unable to allocate 1024000000 bytes memory for PARI.
> On what operating system? 32-bit or 64-bit?
$ uname -a
Linux arcanis 2.6.32-gentoo-r7 #5 SMP Thu Jun 10 23:07:26 CEST 2010
x86_64 Intel(R) Core(TM)2 Duo CPU T5870 @ 2.00GHz GenuineIntel GNU/Linux
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