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⚡ Bolt: Optimize Pandas DataFrame iteration - #804

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bolt/optimize-pandas-iteration-10240360883861990892
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⚡ Bolt: Optimize Pandas DataFrame iteration#804
alinelena wants to merge 1 commit into
mainfrom
bolt/optimize-pandas-iteration-10240360883861990892

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@alinelena

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💡 What: Replaced Pandas DataFrame iterrows() loops with itertuples(index=False, name=None) and to_dict('records') across benchmark scripts.
🎯 Why: iterrows() is a known performance bottleneck for DataFrame iteration and produces FutureWarnings for integer-based indexing on Pandas Series objects.
📊 Impact: Significantly faster execution during reference data parsing and iteration, and avoids runtime warnings.
🔬 Measurement: Profile the execution time of benchmark data loading functions (e.g. test_elasticity, run_gscdb138); no FutureWarnings should be emitted during dataset iteration.


PR created automatically by Jules for task 10240360883861990892 started by @alinelena

💡 What: Replaced Pandas DataFrame `iterrows()` loops with `itertuples(index=False, name=None)` and `to_dict('records')` across benchmark scripts.
🎯 Why: `iterrows()` is a known performance bottleneck for DataFrame iteration and produces `FutureWarning`s for integer-based indexing on Pandas `Series` objects.
📊 Impact: Significantly faster execution during reference data parsing and iteration, and avoids runtime warnings.
🔬 Measurement: Profile the execution time of benchmark data loading functions (e.g. `test_elasticity`, `run_gscdb138`); no `FutureWarning`s should be emitted during dataset iteration.

Co-authored-by: alinelena <3306823+alinelena@users.noreply.github.com>
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@joehart2001 joehart2001 closed this Aug 8, 2026
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