hash/maphash: adding benchmarks for maphash
goos: linux
goarch: arm64
pkg: hash/maphash
BenchmarkHash8Bytes
BenchmarkHash8Bytes 22568919 46.0 ns/op 173.80 MB/s
BenchmarkHash320Bytes
BenchmarkHash320Bytes 5243858 230 ns/op 1393.30 MB/s
BenchmarkHash1K
BenchmarkHash1K 1755870 660 ns/op 1550.60 MB/s
BenchmarkHash8K
BenchmarkHash8K 225688 5313 ns/op 1541.90 MB/s
PASS
ok hash/maphash 6.465s
Change-Id: I5a909042a542135ebc47d639fea02dc46c900c1c
Reviewed-on: https://go-review.googlesource.com/c/go/+/249079
Run-TryBot: Meng Zhuo <mzh@golangcn.org>
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
diff --git a/src/hash/maphash/maphash_test.go b/src/hash/maphash/maphash_test.go
index caea43a..daf6eb4 100644
--- a/src/hash/maphash/maphash_test.go
+++ b/src/hash/maphash/maphash_test.go
@@ -165,3 +165,32 @@
// Make sure a Hash implements the hash.Hash and hash.Hash64 interfaces.
var _ hash.Hash = &Hash{}
var _ hash.Hash64 = &Hash{}
+
+func benchmarkSize(b *testing.B, size int) {
+ h := &Hash{}
+ buf := make([]byte, size)
+ b.SetBytes(int64(size))
+ b.ResetTimer()
+
+ for i := 0; i < b.N; i++ {
+ h.Reset()
+ h.Write(buf)
+ h.Sum64()
+ }
+}
+
+func BenchmarkHash8Bytes(b *testing.B) {
+ benchmarkSize(b, 8)
+}
+
+func BenchmarkHash320Bytes(b *testing.B) {
+ benchmarkSize(b, 320)
+}
+
+func BenchmarkHash1K(b *testing.B) {
+ benchmarkSize(b, 1024)
+}
+
+func BenchmarkHash8K(b *testing.B) {
+ benchmarkSize(b, 8192)
+}
