X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=inline;f=lib%2Fsorter%2FTODO;h=79a60204b09ea716c0f99192322586bc62d10d03;hb=a5ff98a53789157a6c96e58b2385bb898d688a22;hp=b0417ad76e5309ae87fdaf4c074745fdb9e552ae;hpb=e6f42d16d3278e709f23825944598769539368e5;p=libucw.git diff --git a/lib/sorter/TODO b/lib/sorter/TODO index b0417ad7..79a60204 100644 --- a/lib/sorter/TODO +++ b/lib/sorter/TODO @@ -3,16 +3,17 @@ o Giant runs. o Records of odd lengths. o Empty files. -Improvements: -o Alignment? Use of SSE? -o Use radix-sort for internal sorting. -o Parallelization of internal sorting. +Cleanups: o Clean up data types and make sure they cannot overflow. (size_t vs. u64 vs. sh_off_t vs. uns) -o Buffer sizing in internal sorters. -o Switching between direct and normal I/O. -o When merging, choose the output file with less runs instead of always switching? -o Implement multi-way merge. -o Mode with only 2-way unification? -o Speed up 2-way merge. -o Speed up radix splitting. -o A debug switch for disabling the presorter. +o Clean up log levels. +o Clean up introductory comments. +o Log messages should show both original and new size of the data. The speed + should be probably calculated from the former. +o Buffer sizing in shep-export. +o Problems with thread stack limit in radix-sorting of arrays. + +Users of lib/sorter/array.h which might use radix-sorting: +indexer/chewer.c +indexer/lexfreq.c +indexer/mkgraph.c +indexer/reftexts.c