On Saturday, 18 May 2013 10:58:13 UTC+2, Jurgens de Bruin wrote:
> This is my first script where I want to use the python threading module. I
> have a large dataset which is a list of dict this can be as much as 200
> dictionaries in the list. The final goal is a histogram for each dict 16
> histograms on a page ( 4x4 ) - this already works.
>
> What I currently do is a create a nested list [ [ {} ], [ {} ] ] each inner
> list contains 16 dictionaries, thus each inner list is a single page of 16
> histograms. Iterating over the outer-list and creating the graphs takes to
> long. So I would like multiple inner-list to be processes simultaneously and
> creating the graphs in "parallel".
>
> I am trying to use the python threading for this. I create 4 threads loop
> over the outer-list and send a inner-list to the thread. This seems to work
> if my nested lists only contains 2 elements - thus less elements than
> threads. Currently the scripts runs and then seems to get hung up. I monitor
> the resource on my mac and python starts off good using 80% and when the
> 4-thread is created the CPU usages drops to 0%.
>
>
>
> My thread creating is based on the following :
> http://www.tutorialspoint.com/python/python_multithreading.htm
>
>
>
> Any help would be create!!!
Thanks to all for the discussion/comments on threading, although I have not
been commenting I have been following. I have learnt a lot and I am still
reading up on everything mentioned. Thanks again
Will see how I am going to solve my senario.
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