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,                          small hash log,                   zstdcli,                          6554946
  silesia,                          small chain log,                  zstdcli,                          4931141
  silesia,                          explicit params,                  zstdcli,                          4815380
  silesia.tar,                      level -5,                         zstdcli,                          7159586
  silesia.tar,                      level -3,                         zstdcli,                          6791018
  silesia.tar,                      level -1,                         zstdcli,                          6196283
  silesia.tar,                      level 0,                          zstdcli,                          4875213
  silesia.tar,                      level 1,                          zstdcli,                          5340312
  silesia.tar,                      level 3,                          zstdcli,                          4875213
  silesia.tar,                      level 4,                          zstdcli,                          4814545
  silesia.tar,                      level 5,                          zstdcli,                          4723284
  silesia.tar,                      level 6,                          zstdcli,                          4673591
  silesia.tar,                      level 7,                          zstdcli,                          4608342
  
negative.code: silesia.tar,                      level 19,                         advanced streaming,               4281514
  silesia.tar,                      no source size,                   advanced streaming,               4875006
  silesia.tar,                      long distance mode,               advanced streaming,               4861218
  silesia.tar,                      multithreaded,                    advanced streaming,               4875132
  silesia.tar,                      multithreaded long distance mode, advanced streaming,               4866971
  silesia.tar,                      small window log,                 advanced streaming,               7130394
  silesia.tar,                      small hash log,                   advanced streaming,               6587834
  silesia.tar,                      small chain log,                  advanced streaming,               4943260
  silesia.tar,                      explicit params,                  advanced streaming,               4830002
  github,                           level -5,                         advanced streaming,               232744
  github,                           level -5 with dict,               advanced streaming,               46718
  github,                           level -3,                         advanced streaming,               220611
  github,                           level -3 with dict,               advanced streaming,               45395
  github,                           level -1,                         advanced streaming,               176575
  github,                           level -1 with dict,               advanced streaming,               43170
  github,                           level 0,                          advanced streaming,               136397
  github,                           level 0 with dict,                advanced streaming,               41170
  github,                           level 1,                          advanced streaming,               143457
  github,                           level 1 with dict,                advanced streaming,               41682
  github,                           level 3,                          advanced streaming,               136397
  github,                           level 3 with dict,                advanced streaming,               41170
  github,                           level 4,                          advanced streaming,               136144
  github,                           level 4 with dict,                advanced streaming,               41306
  github,                           level 5,                          advanced streaming,               135106
  github,                           level 5 with dict,                advanced streaming,               38938
  github,                           level 6,                          advanced streaming,               135108
  