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Bug

Python script takes a significantly longer time to run when the parallel processing factor is set to values other than 0%.

ArcGIS Pro
Bug ID Number BUG-000165495
SubmittedFebruary 29, 2024
Last ModifiedMay 4, 2026
Applies toArcGIS Pro
Version found3.2.2
Operating SystemWindows OS
Operating System Version10.0 64 Bit
StatusNon-Reproducible

Additional Information

This issue is fixed in ArcGIS Pro 3.7. Starting local workers for parallel processing introduces some overhead and requires time to initialize. For smaller datasets, using 100% of the parallel processing capacity is not optimal, as the startup cost can outweigh the performance benefits.

Steps to Reproduce

Bug ID: BUG-000165495

Software:

  • ArcGIS Pro

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