Bug 1803537 Comment 0 Edit History

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Original comment by
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Taskcluster spends a decent amount of time spawning `copy.deepcopy` to avoid sharing between tasks.

This has a decent impact on performance : cumulative time spent in `copy.deepcopy` peaks at 47% of execution time for a typical 

python -m cProfile --sort=cumtime ./mach taskgraph target --fast -o/dev/null
Revision 1 by
on 
Taskcluster spends a decent amount of time spawning `copy.deepcopy` to avoid sharing between tasks.

This has a decent impact on performance : cumulative time spent in `copy.deepcopy` peaks at 28% of execution time for a typical 

python -m cProfile --sort=cumtime ./mach taskgraph target --fast -o/dev/null

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