util/deephash: optimize CPU a bit by by avoiding fmt in more places
name old time/op new time/op delta
Hash-6 179µs ± 5% 173µs ± 4% -3.12% (p=0.004 n=10+10)
HashMapAcyclic-6 115µs ± 3% 101µs ± 5% -11.51% (p=0.000 n=9+9)
TailcfgNode-6 30.8µs ± 4% 29.4µs ± 2% -4.51% (p=0.000 n=10+8)
name old alloc/op new alloc/op delta
Hash-6 3.60kB ± 0% 3.60kB ± 0% ~ (p=0.445 n=9+10)
HashMapAcyclic-6 2.53kB ± 0% 2.53kB ± 0% ~ (p=0.065 n=9+10)
TailcfgNode-6 528B ± 0% 528B ± 0% ~ (all equal)
name old allocs/op new allocs/op delta
Hash-6 84.0 ± 0% 84.0 ± 0% ~ (all equal)
HashMapAcyclic-6 202 ± 0% 202 ± 0% ~ (all equal)
TailcfgNode-6 11.0 ± 0% 11.0 ± 0% ~ (all equal)
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Brad Fitzpatrick