Re: [Scikit-learn-general] multiprocessing error (Andreas Mueller)

2013-05-13 Thread Andreas Mueller
On 05/13/2013 05:49 PM, Matthias Ekman wrote: >> Unfortunately, this doesn't solve my problem. I'm still getting the same >> error for an array with the dimension 2000x15. I'm very surprised as >> this is not exactly a very large dataset. Are you sure there are no other >> settings (maybe on

Re: [Scikit-learn-general] multiprocessing error (Andreas Mueller)

2013-05-13 Thread Matthias Ekman
>> Unfortunately, this doesn't solve my problem. I'm still getting the same >> error for an array with the dimension 2000x15. I'm very surprised as >> this is not exactly a very large dataset. Are you sure there are no other >> settings (maybe on a system level) that might interfere with this i

Re: [Scikit-learn-general] multiprocessing error (Andreas Mueller)

2013-05-13 Thread John Benediktsson
In fact, the limit is a signed 32-bit int, so 2147483647 and you have 24 bytes. On Mon, May 13, 2013 at 8:01 AM, John Benediktsson wrote: > Unfortunately, this doesn't solve my problem. I'm still getting the same >> error for an array with the dimension 2000x15. I'm very surprised

Re: [Scikit-learn-general] multiprocessing error (Andreas Mueller)

2013-05-13 Thread John Benediktsson
> > Unfortunately, this doesn't solve my problem. I'm still getting the same > error for an array with the dimension 2000x15. I'm very surprised as > this is not exactly a very large dataset. Are you sure there are no other > settings (maybe on a system level) that might interfere with this iss

Re: [Scikit-learn-general] multiprocessing error (Andreas Mueller)

2013-05-13 Thread Andreas Mueller
On 05/13/2013 04:48 PM, Matthias Ekman wrote: Hi Andy, thanks for your comment. I didn't know about the pre_dispatch parameter before. Here is my PR that adds the parameter to ``cross_val_score`` https://github.com/scikit-learn/scikit-learn/pull/1961 Unfortunately, this doesn't solve my prob

Re: [Scikit-learn-general] multiprocessing error (Andreas Mueller)

2013-05-13 Thread Matthias Ekman
Hi Andy, thanks for your comment. I didn't know about the pre_dispatch parameter before. Here is my PR that adds the parameter to ``cross_val_score`` https://github.com/scikit-learn/scikit-learn/pull/1961 Unfortunately, this doesn't solve my problem. I'm still getting the same error for an array

Re: [Scikit-learn-general] multiprocessing error

2013-05-12 Thread Andreas Mueller
Hi Matthias. Unfortunately joblib doesn't handle large datasets very gracefully at the moment. Have you tried setting the pre_dispatch parameter? Otherwise it could be that all jobs are dispatched even if only two are run. Hth, Andy On 05/12/2013 05:12 PM, Matthias Ekman wrote: Dear all, us

[Scikit-learn-general] multiprocessing error

2013-05-12 Thread Matthias Ekman
Dear all, using sklearn 0.13 (fresh Ubuntu 12.04 installation), I'm getting the error below, which I belief is a memory error. What strikes me is that I'm using a machine with 512GB of RAM, so that shouldn't be happening. Is there maybe a system setting that limits the amount of RAM on a user bas