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NuPIC Walkthrough notebook's "int" dtype doesn't work on some platforms #3407

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mrcslws opened this issue Nov 4, 2016 · 0 comments
Open

NuPIC Walkthrough notebook's "int" dtype doesn't work on some platforms #3407

mrcslws opened this issue Nov 4, 2016 · 0 comments
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priority:3 triage type:cleanup type:examples
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1.0.0

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@mrcslws
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mrcslws commented Nov 4, 2016

In this notebook, we should replace occurences of dtype="int" with dtype="uint32". https://github.com/numenta/nupic/blob/6924a904644bbb8cdba6ca7a62050cf8456614f8/examples/NuPIC%20Walkthrough.ipynb

You can see we had some integer overflow issues in https://discourse.numenta.org/t/inconsistency-between-spatialpooler-in-nupic-and-nupic-bindings/1549/10?u=mrcslws

Sometimes "int" is mapped to 32-bit, other times it's mapped to 64-bit. The C++ SpatialPooler needs 32-bit integers.
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