zhengruifeng opened a new pull request, #43353: URL: https://github.com/apache/spark/pull/43353
### What changes were proposed in this pull request? 1, add a new private `compressed` method with given `nnz`, since we can know it sometime; 2, minor change `Array.range(0, length)` -> `Iterator.range(0, length)` to avoid array creation; ### Why are the changes needed? in `VectorAssembler`, the `nnz` if already known before vector construction, the scan to compute nnz can be skipped; ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? ci ### Was this patch authored or co-authored using generative AI tooling? no -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
