New submission from Henry Carscadden <hl...@virginia.edu>:

The product method in itertools provides an implementation of the Cartesian 
product that when run on with many arguments quickly gives out of memory 
errors. The current implementation creates a lot of unnecessary lists in this 
situation. A more appropriate implementation uses dynamic programming to avoid 
these out of memory issues.

----------
components: Distutils
messages: 366005
nosy: Henry Carscadden, dstufft, eric.araujo
priority: normal
severity: normal
status: open
title: Itertools.product() Out of Memory Errors
type: resource usage
versions: Python 3.7

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue40230>
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