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From Sasaki Kai <>
Subject Export BLAS module on Spark MLlib
Date Sat, 28 Nov 2015 13:20:30 GMT

I'm developing a Spark package that manipulates Vector and Matrix for machine learning.
This package uses mllib.linalg.Vector and mllib.linalg.Matrix in order to achieve compatible
interface to mllib itself. But mllib.linalg.BLAS module is private inside spark package.
We cannot use BLAS from spark package.
Due to this, there is no way to manipulate mllib.linalg.{Vector, Matrix} from spark package

Is there any reason why BLAS module is not set public?
If we cannot use BLAS, what is the reasonable option to manipulate Vector and Matrix from
spark package?

Kai Sasaki(@Lewuathe)

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