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# knights-lab/BURST: BURST v0.99.5a

Gabriel Al-Ghalith; danknights

New:

• Miscellaneous fixes
• New CUBICLUST clustering engine (disabled by default; must build with -D CUBICLUST to enable). Much higher quality clusters in much less RAM, but very time-consuming.
• New alignment mode: "ANY". This introduces a new guarantee: if any valid match above the desired threshold exists in the database, report any one such match, even if not a best or minimizing match. Slightly faster for contaminant screening.
• Compressive database generation: Now reduces database size when many redundant genomes are present by dynamically adjusting shearing points and deduplicating repeats. This is a lossless abstraction -- all information about location and original references is retained, and no alignments are jeapordized. Additionally, this mode is faster than previous sheared DB methods if run without fingerprints/clustering. Enable with -d DNA -s (shearing is required for this mode).
• The --dbpartition flag has been introduced to save memory when using compressive genomics databases. Using N partitions will consume ~1/N the RAM but at the expense of some duplication detection (the search range is limited to within partitions).

Binaries for old systems (pre-AVX) or Macs are available on request (if they don't come soon).

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