samtools/htslib — pull request #112 by mishalinaik (2014-06-26 03:14:22+00:00)
Title: Integrated igzip library to enable fast compression of BAM files.

igzip enables faster level 1 compression on BAM files compared to zlib while providing similar compression ratio as zlib. (https://software.intel.com/en-us/articles/igzip-a-high-performance-deflate-compressor-with-optimizations-for-genomic-data).