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Posted to jira@arrow.apache.org by "Dominik Moritz (Jira)" <ji...@apache.org> on 2021/04/08 16:44:00 UTC

[jira] [Created] (ARROW-12303) [JS] Use iterators instead of generators in critical code paths

Dominik Moritz created ARROW-12303:
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             Summary: [JS] Use iterators instead of generators in critical code paths
                 Key: ARROW-12303
                 URL: https://issues.apache.org/jira/browse/ARROW-12303
             Project: Apache Arrow
          Issue Type: Improvement
          Components: JavaScript
            Reporter: Dominik Moritz
         Attachments: Screen Shot 2021-04-08 at 09.40.51.png

I found that generators are generally slower than iterators in most browsers. See [https://observablehq.com/@domoritz/yield-vs-iterator-vs-callback.] I attached the results for Chrome. We should consider using iterators instead of generators for iterating over row proxies and vectors. 



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