#36927: Optimize Field.deconstruct()
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Reporter: Adam | Owner: Adam Johnson
Johnson |
Type: | Status: assigned
Cleanup/optimization |
Component: Database | Version: dev
layer (models, ORM) |
Severity: Normal | Keywords:
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I profiled a subset of Django’s test suite (`runtests.py --parallel 1
model* queries expressions*`) with cProfile and found that
`Field.deconstruct()` was the function in Django with the largest time
consumed inside itself (0.123s of 7.843 total, or 1.6%).
It can be optimized by flattening its main loop for constructing keyword
arguments and by performing fewer string comparisons for the path.
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Ticket URL: <https://code.djangoproject.com/ticket/36927>
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