identity: Use xxHash in hashstructure (note)

```
name                 old time/op    new time/op    delta
HashString/n28-10       133ns ± 9%     107ns ±10%  -19.58%  (p=0.029 n=4+4)
HashString/n112-10      243ns ± 5%     121ns ± 4%  -50.08%  (p=0.029 n=4+4)
HashString/n448-10      698ns ± 3%     174ns ± 5%  -75.02%  (p=0.029 n=4+4)
HashString/n1792-10    2.58µs ± 4%    0.38µs ± 4%  -85.11%  (p=0.029 n=4+4)
HashString/n7168-10    10.0µs ± 3%     1.3µs ± 4%  -86.91%  (p=0.029 n=4+4)

name                 old alloc/op   new alloc/op   delta
HashString/n28-10       80.0B ± 0%     72.0B ± 0%  -10.00%  (p=0.029 n=4+4)
HashString/n112-10       160B ± 0%      152B ± 0%   -5.00%  (p=0.029 n=4+4)
HashString/n448-10       496B ± 0%      488B ± 0%   -1.61%  (p=0.029 n=4+4)
HashString/n1792-10    1.84kB ± 0%    1.83kB ± 0%   -0.43%  (p=0.029 n=4+4)
HashString/n7168-10    8.24kB ± 0%    8.23kB ± 0%   -0.06%  (p=0.029 n=4+4)

name                 old allocs/op  new allocs/op  delta
HashString/n28-10        4.00 ± 0%      3.00 ± 0%  -25.00%  (p=0.029 n=4+4)
HashString/n112-10       4.00 ± 0%      3.00 ± 0%  -25.00%  (p=0.029 n=4+4)
HashString/n448-10       4.00 ± 0%      3.00 ± 0%  -25.00%  (p=0.029 n=4+4)
HashString/n1792-10      4.00 ± 0%      3.00 ± 0%  -25.00%  (p=0.029 n=4+4)
HashString/n7168-10      4.00 ± 0%      3.00 ± 0%  -25.00%  (p=0.029 n=4+4)
```
This commit is contained in:
Bjørn Erik Pedersen
2024-07-30 10:26:10 +02:00
parent 78db8aebca
commit 2babd6404e
8 changed files with 40 additions and 18 deletions

View File

@@ -43,7 +43,7 @@ func TestNamespace(t *testing.T) {
c.Assert(err, qt.IsNil)
c.Assert(ns, qt.Not(qt.IsNil))
c.Assert(ns.SourceStructure, qt.DeepEquals, map[string]interface{}{"foo": "bar"})
c.Assert(ns.SourceHash, qt.Equals, "5334326627423288605")
c.Assert(ns.SourceHash, qt.Equals, "1450430416588600409")
c.Assert(ns.Config, qt.DeepEquals, &tstNsExt{Foo: "bar"})
c.Assert(ns.Signature(), qt.DeepEquals, []*tstNsExt(nil))
}