trait GpuBatchedRunningWindowWithFixer extends AnyRef
For many operations a running window (unbounded preceding to current row) can process the data without dividing the data up into batches that contain all of the data for a given group by key set. Instead we store a small amount of state from a previous result and use it to fix the final result. This is a memory optimization.
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def
newFixer(): BatchedRunningWindowFixer
Get a new class that can be used to fix up batched RunningWindowOperations.
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