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Re^5: Reducing the memory usage of Spreadsheet::ParseExcel

by runrig (Abbot)
on Jan 30, 2013 at 17:50 UTC ( #1016128=note: print w/replies, xml ) Need Help??

in reply to Re^4: Reducing the memory usage of Spreadsheet::ParseExcel
in thread Reducing the memory usage of Spreadsheet::ParseExcel

... it uses 1.0GB memory after parsing an xls-file with a single worksheet and 64772 rows and 120 columns.

Yes, the claim of "no memory overhead" is a bit of a mistake/exaggeration. But you would get the same result using just Spreadsheet::ParseExcel with the CellHandler and NotSetCell options (which S::PE correctly says "reduces" memory overhead, not has "no" memory overhead). Spreadsheet::ParseExcel parses and saves a bunch of stuff before it even gets to the cell data. So the S::PE with the CellHandler/NotSetCells options and/or S::PE::Stream only save you from storing the cell data in memory. I don't know if it would be possible to tell S::PE to not save the metadata before the cell data (or possible to modify it to implement such a thing). Only jmcnamara would know for sure..

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[Corion]: Ruining other peoples clones is not nice, but as I only have that repo to (later) show people when I encounter problems, I don't mind that
[Corion]: I should look into self-hosting gitprep instead of relying so much on github

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