-
Notifications
You must be signed in to change notification settings - Fork 1.3k
/
compressor_test.go
96 lines (83 loc) · 2.42 KB
/
compressor_test.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
// This file contains helper functions regarding compression/decompression for confighttp.
package confighttp // import "go.opentelemetry.io/collector/config/confighttp"
import (
"bytes"
"fmt"
"io"
"strings"
"testing"
"github.com/klauspost/compress/zstd"
"go.opentelemetry.io/collector/config/configcompression"
)
func BenchmarkCompression(b *testing.B) {
benchmarks := []struct {
codec configcompression.Type
name string
function func(*testing.B, configcompression.Type, *bytes.Buffer, []byte)
}{
{
codec: configcompression.TypeZstd,
name: "zstdWithConcurrency",
function: benchmarkCompression,
},
{
codec: configcompression.TypeZstd,
name: "zstdNoConcurrency",
function: benchmarkCompressionNoConcurrency,
},
}
payload := make([]byte, 10<<20)
buffer := bytes.Buffer{}
buffer.Grow(len(payload))
ts := &bytes.Buffer{}
defer func() {
fmt.Printf("input => %.2f MB\n", float64(len(payload))/(1024*1024))
fmt.Println(ts)
}()
for i := range benchmarks {
benchmark := &benchmarks[i]
b.Run(fmt.Sprint(benchmark.name), func(b *testing.B) {
benchmark.function(b, benchmark.codec, &buffer, payload)
})
}
}
func benchmarkCompression(b *testing.B, _ configcompression.Type, buf *bytes.Buffer, payload []byte) {
// Concurrency Enabled
b.Run("compress", func(b *testing.B) {
stringReader := strings.NewReader(string(payload))
stringReadCloser := io.NopCloser(stringReader)
var enc io.Writer
b.ResetTimer()
b.ReportAllocs()
b.SetBytes(int64(len(payload)))
for i := 0; i < b.N; i++ {
enc, _ = zstd.NewWriter(nil, zstd.WithEncoderConcurrency(5))
enc.(writeCloserReset).Reset(buf)
_, copyErr := io.Copy(enc, stringReadCloser)
if copyErr != nil {
b.Fatal(copyErr)
}
}
})
}
func benchmarkCompressionNoConcurrency(b *testing.B, _ configcompression.Type, buf *bytes.Buffer, payload []byte) {
// Concurrency Disabled
b.Run("compress", func(b *testing.B) {
stringReader := strings.NewReader(string(payload))
stringReadCloser := io.NopCloser(stringReader)
var enc io.Writer
b.ResetTimer()
b.ReportAllocs()
b.SetBytes(int64(len(payload)))
for i := 0; i < b.N; i++ {
enc, _ = zstd.NewWriter(nil, zstd.WithEncoderConcurrency(1))
enc.(writeCloserReset).Reset(buf)
_, copyErr := io.Copy(enc, stringReadCloser)
if copyErr != nil {
b.Fatal(copyErr)
}
}
})
}