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r-index website  

The r-index is the first full-text index of size O(r), r being the number of BWT runs of the input text (of size n), supporting fast (almost optimal) locate of pattern occurrences. The r-index employs a novel suffix array sampling of size 2r; in classical FM-indexes, this sampling would result in a locate time of Omega(n/r) per occurrence. The r-index, on the other hand, reduces this time to O(log(n/r)).

Environment Modules

Run module spider r-index to find out what environment modules are available for this application.

System Variables

  • HPC_R-INDEX_DIR - installation directory
  • HPC_R-INDEX_LIB - library directory
  • HPC_R-INDEX_INC - include directory


If you publish research that uses r-index you have to cite it as follows: