Greg Hogan created FLINK-4003:
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Summary: Use intrinsics for MathUtils logarithms
Key: FLINK-4003
URL: https://issues.apache.org/jira/browse/FLINK-4003
Project: Flink
Issue Type: Improvement
Components: Core
Affects Versions: 1.1.0
Reporter: Greg Hogan
Assignee: Greg Hogan
Priority: Trivial
Fix For: 1.1.0
{{MathUtils.log2floor}} and {{MathUtils.log2strict}} use naive loops which have
efficient implementations in {{Integer}} that are commonly implemented as
intrinsics [0].
[0]:
http://hg.openjdk.java.net/jdk8/jdk8/hotspot/file/tip/src/share/vm/classfile/vmSymbols.hpp#l680
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