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bytes: add hard benchmarks for Index and Count

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Add Benchmark(Index|Count)Hard[1-3] in preparation for implementing
Index and Count in assembly on arm.

Updates #29001

Change-Id: I2a9701892190e8d91de069c2f5a7f5bd3544c6c2
Reviewed-on: https://go-review.googlesource.com/c/go/+/167798
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Tobias Klauser 2019-03-15 11:29:03 +01:00 committed by Tobias Klauser
parent 694012aa3b
commit 9d9d4eeb87
1 changed files with 23 additions and 0 deletions
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23
src/bytes/bytes_test.go
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@ -1654,16 +1654,39 @@ func makeBenchInputHard() []byte {
var benchInputHard = makeBenchInputHard()
func benchmarkIndexHard(b *testing.B, sep []byte) {
for i := 0; i < b.N; i++ {
Index(benchInputHard, sep)
}
}
func benchmarkLastIndexHard(b *testing.B, sep []byte) {
for i := 0; i < b.N; i++ {
LastIndex(benchInputHard, sep)
}
}
func benchmarkCountHard(b *testing.B, sep []byte) {
for i := 0; i < b.N; i++ {
Count(benchInputHard, sep)
}
}
func BenchmarkIndexHard1(b *testing.B) { benchmarkIndexHard(b, []byte("<>")) }
func BenchmarkIndexHard2(b *testing.B) { benchmarkIndexHard(b, []byte("</pre>")) }
func BenchmarkIndexHard3(b *testing.B) { benchmarkIndexHard(b, []byte("<b>hello world</b>")) }
func BenchmarkIndexHard4(b *testing.B) {
benchmarkIndexHard(b, []byte("<pre><b>hello</b><strong>world</strong></pre>"))
}
func BenchmarkLastIndexHard1(b *testing.B) { benchmarkLastIndexHard(b, []byte("<>")) }
func BenchmarkLastIndexHard2(b *testing.B) { benchmarkLastIndexHard(b, []byte("</pre>")) }
func BenchmarkLastIndexHard3(b *testing.B) { benchmarkLastIndexHard(b, []byte("<b>hello world</b>")) }
func BenchmarkCountHard1(b *testing.B) { benchmarkCountHard(b, []byte("<>")) }
func BenchmarkCountHard2(b *testing.B) { benchmarkCountHard(b, []byte("</pre>")) }
func BenchmarkCountHard3(b *testing.B) { benchmarkCountHard(b, []byte("<b>hello world</b>")) }
func BenchmarkSplitEmptySeparator(b *testing.B) {
for i := 0; i < b.N; i++ {
Split(benchInputHard, nil)