The IPython "extension of the week" is the IPyChache extention from Cyrille Rossant (rossant). The extension defines a cell magic (%%cache) that will cache the results of a cell into a persistent pickel file. When the cell is re-run the cached values of the variables are loaded instead of having them recomputed.
Here's an example notebook showing the operation.
The extension also has options for forcing the load of variables or forcing the rewrite of the cache.
Go check out IPyCache and let me know how it works! Thanks rossant!
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