Standard ML, Haskell parser benchmark

https://github.com/kni/sparcl

Redis protocol benchmark (seconds):

          String  Substring  Reader-String  Reader-Substring   Attoparsec
Haskell:          4.63                                         7.98
Mlton:    3.07    1.81       1.90           1.50
PolyML:   6.32    4.43       7.86           6.08

CSV benchmark (seconds):

          String  Substring  Reader-String  Reader-Substring   Attoparsec
Haskell:          7.85                                         14.41
Mlton:    6.91    5.61        3.51          3.10
PolyML:   9.31    9.29       10.56          9.14

P.S. Haskell ByteString - is Substring

But Substring has no apparent advantages over String in a real application (https://github.com/kni/redis-sharding-sml) :-)