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!!!
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