biom-format/biom-format — pull request #140 by joey711 (2013-05-17 17:15:18+00:00)
Title: R biom v0.3.9 speed (few 100X) improvement for biom_data() on sparse matrices

- The `biom_data` parsing function now uses a vectorized (matrix-indexed)
assignment while parsing sparse matrices.
- Unofficial benchmarks estimate a few 100X speedup.
- Passes all tests/checks. No notes or warnings.