zhengruifeng opened a new pull request #27519: [SPARK-30770][ML] avoid vector conversion in GMM.transform URL: https://github.com/apache/spark/pull/27519 ### What changes were proposed in this pull request? Current impl needs to convert ml.Vector to breeze.Vector, which can be skipped. ### Why are the changes needed? avoid unnecessary vector conversions ### Does this PR introduce any user-facing change? No ### How was this patch tested? existing testsuites
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