Support of 1 Million Rows Performance problems solved Eliminated most loops that looped over all rows, taking advantage of the Flat Segment Tree elements' boundary positions needed 2-3 CWS iterations and
hidden and filtered, in arrays Storage of manual and calculated page breaks in sets instead of arraysĭistribution of broadcast area slots for change notifications logarithmic instead of linear Support of 1 Million Rows or 2 20 =1048576 rows to be exact Modified data structures Uses Kohei Yoshida's Flat Segment Tree to replace storage of row heights in an RLE array
Eike Rathke Software Developer, Co-Lead Calc Spreadsheet Project This work is licensed under: What's new in Calc and Chart
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