The bit array data structure is implemented in Java as the BitSet class. Unfortunately, this fails to scale without compression. JavaEWAH is a word-aligned compressed variant of the Java bitset class. It uses a 64-bit run-length encoding (RLE) compression scheme. The goal of word-aligned compression is not to achieve the best compression, but rather to improve query processing time. Hence, we try to save CPU cycles, maybe at the expense of storage. However, the EWAH scheme we implemented is ...

Artifacts using JavaEWAH (105)
Sort by:Popular

NEM Core
Last Release on Apr 20, 2022
JGit Optional LFS Support
Last Release on Sep 1, 2026
This feature contains the bundles required for the back-end Remote Repository Configuration functionality
Last Release on Mar 17, 2023
Extremely fast and compact in-memory embedded column oriented database
Last Release on Aug 23, 2017
This project contains tools to generate the model code from the ESDL specification via a 'mvn clean install' command. It also tags the esdl.ecore file with the current git tag
Last Release on Jun 15, 2026
Wt IntelliJ
Last Release on Nov 17, 2021
JGit Ssh Support Using Apache MINA SSHD
Last Release on Sep 1, 2026
Fiji allows the imposition of schema and much else upon HBase.
Last Release on Jun 23, 2016
Wt Forge
Last Release on Nov 17, 2021
Gemma Model
Last Release on Apr 24, 2017