zhengruifeng 12e1bbaddb Revert "[SPARK-30642][SPARK-30659][SPARK-30660][SPARK-30662]" ... ### What changes were proposed in this pull request? Revert #27360 #27396 #27374 #27389 ### Why are the changes needed? BLAS need more performace tests, specially on sparse datasets. Perfermance test of LogisticRegression (https://github.com/apache/spark/pull/27374) on sparse dataset shows that blockify vectors to matrices and use BLAS will cause performance regression. LinearSVC and LinearRegression were also updated in the same way as LogisticRegression, so we need to revert them to make sure no regression. ### Does this PR introduce any user-facing change? remove newly added param blockSize ### How was this patch tested? reverted testsuites Closes #27487 from zhengruifeng/revert_blockify_ii. Authored-by: zhengruifeng <ruifengz@foxmail.com> Signed-off-by: zhengruifeng <ruifengz@foxmail.com>		2020-02-08 08:46:16 +08:00
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src	Revert "[SPARK-30642][SPARK-30659][SPARK-30660][SPARK-30662]"	2020-02-08 08:46:16 +08:00
pom.xml	[INFRA] Reverts commit 56dcd79 and c216ef1	2019-12-16 19:57:44 -07:00