yma11 commented on issue #27546: [SPARK-30773][ML]Support NativeBlas for level-1 routines URL: https://github.com/apache/spark/pull/27546#issuecomment-595003661 > @yma11 Yes, but there are still some algorithms have not been migrated to `.ml`. > > BTW, did you also change `.mllib.linalg.BLAS` in your KMeans tests? Since KMeans is actually implemented in the `.mllib` side, so `.mllib.linalg.BLAS` is used instead of `.ml.linalg.BLAS`. Yes, in our Kmeans test, we modified the BLAS.scala in mllib and now trying to apply the change in mllib-local since mllib in maintenance mode. This change actually can't be leveraged by mllib Kmeans directly and if you want to do so, you need change the import location of BLAS.axpy to ml instead of mllib.
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