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Commit d7053bea authored by Xiangrui Meng's avatar Xiangrui Meng
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[SPARK-9903] [MLLIB] skip local processing in PrefixSpan if there are no small prefixes 

There exists a chance that the prefixes keep growing to the maximum pattern length. Then the final local processing step becomes unnecessary. feynmanliang

Author: Xiangrui Meng <meng@databricks.com>

Closes #8136 from mengxr/SPARK-9903.
parent d2d5e7fe
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