100 ?
Not that much in fact, I guess it may be due to hardware stream operations:
ripemd160 494.92k ( 2.02µs) (± 4.33%) 224 B/op 1.18× slower
MD4 585.44k ( 1.71µs) (± 3.79%) 224 B/op fastest
MD5 575.92k ( 1.74µs) (± 4.23%) 224 B/op 1.02× slower
SHA1 556.56k ( 1.8µs) (± 5.28%) 224 B/op 1.05× slower
SHA224 491.0k ( 2.04µs) (± 3.62%) 224 B/op 1.19× slower
SHA256 495.62k ( 2.02µs) (± 4.55%) 240 B/op 1.18× slower
SHA384 416.7k ( 2.4µs) (± 3.40%) 256 B/op 1.40× slower
SHA512 404.13k ( 2.47µs) (± 3.36%) 272 B/op 1.45× slower