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[SYSTEMDS-3835] Improve window aggregation efficiency in Scuro#2476

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christinadionysio merged 3 commits into
apache:mainfrom
christinadionysio:window_op_efficiency
Jun 2, 2026
Merged

[SYSTEMDS-3835] Improve window aggregation efficiency in Scuro#2476
christinadionysio merged 3 commits into
apache:mainfrom
christinadionysio:window_op_efficiency

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In this patch we improve the runtime efficiency of the window aggregation operator in Scuro. The problem with the latest approach was the iteration over each window instead of vecortized execution. This change neede a couple of adaptions in subsequent representations.

@christinadionysio christinadionysio merged commit f5e6a63 into apache:main Jun 2, 2026
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@github-project-automation github-project-automation Bot moved this from In Progress to Done in SystemDS PR Queue Jun 2, 2026
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