You are viewing a plain text version of this content. The canonical link for it is here.
Posted to issues@arrow.apache.org by "Uwe L. Korn (JIRA)" <ji...@apache.org> on 2017/02/13 08:33:41 UTC
[jira] [Updated] (ARROW-553) C++: Faster valid bitmap building
[ https://issues.apache.org/jira/browse/ARROW-553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Uwe L. Korn updated ARROW-553:
------------------------------
Summary: C++: Faster valid bitmap building (was: C++: Faster null bitmap building)
> C++: Faster valid bitmap building
> ---------------------------------
>
> Key: ARROW-553
> URL: https://issues.apache.org/jira/browse/ARROW-553
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Uwe L. Korn
> Assignee: Uwe L. Korn
>
> Currently we build up the bitmaps bit-by-bit which takes very long. Instead we can build them byte-by-byte in the general case and use {{memset}} for the non-null case.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)