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V4: Parallel frontier assembly ​

Under construction

This page is under construction.

  • V4 distributes frontier assembly across workers.
  • After scanning, each worker reports the size of its private output. A prefix sum assigns each buffer a separate destination range in next. Workers then copy their buffers into those ranges concurrently.
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Output sizes:         3       2       4
Destination ranges: [0, 3)  [3, 5)  [5, 9)