Brad Fitzpatrick 79b7fa9ac3 internal/deephash: hash maps without sorting in the acyclic common case ...

Hash and xor each entry instead, then write final xor'ed result.

name    old time/op    new time/op    delta
Hash-4    33.6µs ± 4%    34.6µs ± 3%  +3.03%  (p=0.013 n=10+9)

name    old alloc/op   new alloc/op   delta
Hash-4    1.86kB ± 0%    1.77kB ± 0%  -5.10%  (p=0.000 n=10+9)

name    old allocs/op  new allocs/op  delta
Hash-4      51.0 ± 0%      49.0 ± 0%  -3.92%  (p=0.000 n=10+10)

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

2021-05-24 13:51:23 -07:00

..

deephash_test.go

internal/deephash: hash maps without sorting in the acyclic common case

2021-05-24 13:51:23 -07:00

deephash.go

internal/deephash: hash maps without sorting in the acyclic common case

2021-05-24 13:51:23 -07:00

fmtsort.go

internal/deephash: rename from deepprint

2021-05-11 12:11:16 -07:00