  Summary: BGT is a compact format, a fast command line tool and a simple web
application for efficient and convenient query of whole-genome genotypes and
frequencies across tens to hundreds of thousands of samples. On real data, it
encodes the haplotypes of 32,488 samples across 39.2 million SNPs into a 7.4GB
database and decodes a couple of hundred million genotypes per CPU second. The
high performance enables real-time responses to complex queries.
  Availability and implementation: https://github.com/lh3/bgt
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