You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@arrow.apache.org by "Micah Kornfield (JIRA)" <ji...@apache.org> on 2019/07/03 04:15:00 UTC
[jira] [Resolved] (ARROW-5814) [Java] Implement a
[ https://issues.apache.org/jira/browse/ARROW-5814?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Micah Kornfield resolved ARROW-5814.
------------------------------------
Resolution: Fixed
Fix Version/s: 1.0.0
Issue resolved by pull request 4765
[https://github.com/apache/arrow/pull/4765]
> [Java] Implement a <Object, int> HashMap for DictionaryEncoder
> --------------------------------------------------------------
>
> Key: ARROW-5814
> URL: https://issues.apache.org/jira/browse/ARROW-5814
> Project: Apache Arrow
> Issue Type: Improvement
> Reporter: Ji Liu
> Assignee: Ji Liu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.0.0
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> As a follow-up of [ARROW-5726|https://issues.apache.org/jira/browse/ARROW-5726]. Implement a Map<Object, int> for DictionaryEncoder to reduce boxing/unboxing operations.
> Benchmark:
> DictionaryEncodeHashMapBenchmarks.testHashMap: avgt 5 31151.345 ± 1661.878 ns/op
> DictionaryEncodeHashMapBenchmarks.testDictionaryEncodeHashMap: avgt 5 15549.902 ± 771.647 ns/op
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)