Github user tsailiming commented on the pull request: https://github.com/apache/spark/pull/4448#issuecomment-115091978 I couldn't find any specific information with regards to this change on netlib-java instructions. I thought there was a specific reason that we need to to build OpenBLAS that do not use as many threads as cores because of how Spark work in terms of N tasks(threads) per executor, to avoid the stampede problem? Can one of the Spark developers comment on this?
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