April 2017
Intermediate to advanced
532 pages
12h 39m
English
book
Machine Learning with Spark - Second Edition
by Rajdeep Dua, Brian O'Neill, Stephen Boesch, Manpreet Singh Ghotra, Nick Pentreath
Content preview from Machine Learning with Spark - Second Edition
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Performance improvements in Spark ML over Spark MLlib
Spark 2.0 uses Tungsten Engine, which is built using ideas of modern compilers and MPP databases. It emits optimized bytecode at runtime, which collapses the query into a single function. Hence, there is no need for virtual function calls. It also uses CPU registers to store intermediate data. This technique has been called whole stage code generation.
Reference : https://databricks.com/blog/2016/05/11/apache-spark-2-0-technical-preview-easier-faster-and-smarter.htmlSource: https://databricks.com/blog/2016/05/11/apache-spark-2-0-technical-preview-easier-faster-and-smarter.html
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