anchor.diff:  silesia,                          small chain log,                  compress cctx,                    4931093
   silesia,                          explicit params,                  compress cctx,                    4813352
   github,                           level -5,                         compress cctx,                    232744
  -github,                           level -5 with dict,               compress cctx,                    45704
  +github,                           level -5 with dict,               compress cctx,                    47294
   github,                           level -3,                         compress cctx,                    220611
  -github,                           level -3 with dict,               compress cctx,                    44510
  +github,                           level -3 with dict,               compress cctx,                    48047
   github,                           level -1,                         compress cctx,                    176575
  -github,                           level -1 with dict,               compress cctx,                    41586
  +github,                           level -1 with dict,               compress cctx,                    43527
   github,                           level 0,                          compress cctx,                    136397
  -github,                           level 0 with dict,                compress cctx,                    38700
  +github,                           level 0 with dict,                compress cctx,                    41536
   github,                           level 1,                          compress cctx,                    143457
  -github,                           level 1 with dict,                compress cctx,                    41538
  +github,                           level 1 with dict,                compress cctx,                    42157
   github,                           level 3,                          compress cctx,                    136397
  -github,                           level 3 with dict,                compress cctx,                    38700
  +github,                           level 3 with dict,                compress cctx,                    41536
   github,                           level 4,                          compress cctx,                    136144
  -github,                           level 4 with dict,                compress cctx,                    38639
  +github,                           level 4 with dict,                compress cctx,                    41721
   github,                           level 5,                          compress cctx,                    135106
   github,                           level 5 with dict,                compress cctx,                    38934
   github,                           level 6,                          compress cctx,                    135108
  
positive.code: silesia.tar,                      level 19,                         old streaming,                    4281514
  silesia.tar,                      no source size,                   old streaming,                    4875006
  github,                           level -5,                         old streaming,                    232744
  github,                           level -5 with dict,               old streaming,                    45528
  github,                           level -3,                         old streaming,                    220611
  github,                           level -3 with dict,               old streaming,                    44394
  github,                           level -1,                         old streaming,                    176575
  github,                           level -1 with dict,               old streaming,                    41401
  github,                           level 0,                          old streaming,                    136397
  github,                           level 0 with dict,                old streaming,                    38316
  github,                           level 1,                          old streaming,                    143457
  github,                           level 1 with dict,                old streaming,                    41242
  github,                           level 3,                          old streaming,                    136397
  github,                           level 3 with dict,                old streaming,                    38316
  github,                           level 4,                          old streaming,                    136144
  github,                           level 4 with dict,                old streaming,                    38292
  github,                           level 5,                          old streaming,                    135106
  github,                           level 5 with dict,                old streaming,                    38938
  github,                           level 6,                          old streaming,                    135108
  
negative.code: silesia.tar,                      level 19,                         advanced one pass small out,      4281514
  silesia.tar,                      no source size,                   advanced one pass small out,      4875008
  silesia.tar,                      long distance mode,               advanced one pass small out,      4861218
  silesia.tar,                      multithreaded,                    advanced one pass small out,      4874631
  silesia.tar,                      multithreaded long distance mode, advanced one pass small out,      4860683
  silesia.tar,                      small window log,                 advanced one pass small out,      7130394
  silesia.tar,                      small hash log,                   advanced one pass small out,      6587833
  silesia.tar,                      small chain log,                  advanced one pass small out,      4943255
  silesia.tar,                      explicit params,                  advanced one pass small out,      4829974
  github,                           level -5,                         advanced one pass small out,      232744
  github,                           level -5 with dict,               advanced one pass small out,      46718
  github,                           level -3,                         advanced one pass small out,      220611
  github,                           level -3 with dict,               advanced one pass small out,      45395
  github,                           level -1,                         advanced one pass small out,      176575
  github,                           level -1 with dict,               advanced one pass small out,      43170
  github,                           level 0,                          advanced one pass small out,      136397
  github,                           level 0 with dict,                advanced one pass small out,      41170
  github,                           level 1,                          advanced one pass small out,      143457
  github,                           level 1 with dict,                advanced one pass small out,      41682
  github,                           level 3,                          advanced one pass small out,      136397
  github,                           level 3 with dict,                advanced one pass small out,      41170
  github,                           level 4,                          advanced one pass small out,      136144
  github,                           level 4 with dict,                advanced one pass small out,      41306
  github,                           level 5,                          advanced one pass small out,      135106
  github,                           level 5 with dict,                advanced one pass small out,      38938
  github,                           level 6,                          advanced one pass small out,      135108
  