[SciPy-dev] St9bad_alloc

Nils Wagner nwagner@iam.uni-stuttgart...
Thu Jun 21 04:04:54 CDT 2007


David Cournapeau wrote:
> Maik Trömel wrote:
>   
>> My system has:
>> Python 2.4.1
>> Scipy '0.5.2'
>> Numpy '1.0.1'
>>
>> The Second System was Python 2.5.1, with the same scipy and numpy versions.
>> Both system are running with Debian Testing.
>>
>>     
> Something to keep in mind is that your script is using a lot of memory 
> (several hundred MB seems likely). This would depend on the algorithms 
> used, but with arrays of 2000x2000 double, it could simply be that one 
> new call in the C++ code fails because no memory is available to the 
> system anymore (new raises bad_alloc if not enough memory can be 
> allocated, if I remember correctly).
>
> How much memory do you have on your computer ? Can you check the memory 
> behaviour of the application with eg top, etc... ?
>
> David
> _______________________________________________
> Scipy-dev mailing list
> Scipy-dev@scipy.org
> http://projects.scipy.org/mailman/listinfo/scipy-dev
>   
Just for comparison with Maik

cat /proc/meminfo

MemTotal:      1024720 kB
MemFree:         17524 kB
Buffers:         48128 kB
Cached:         488172 kB
SwapCached:       4416 kB
Active:         674772 kB
Inactive:       227788 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      1024720 kB
LowFree:         17524 kB
SwapTotal:     4200956 kB
SwapFree:      4151064 kB
Dirty:              20 kB
Writeback:           0 kB
Mapped:         499428 kB
Slab:            83668 kB
CommitLimit:   4713316 kB
Committed_AS:   645804 kB
PageTables:       7212 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     14860 kB
VmallocChunk: 34359720875 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB
 
Nils



More information about the Scipy-dev mailing list