mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-29 23:30:04 +01:00
110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
package mergeset
|
|
|
|
import (
|
|
"fmt"
|
|
"sort"
|
|
"testing"
|
|
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
|
|
)
|
|
|
|
var benchPrefixes = []string{
|
|
"", "x", "xy", "xyz", "xyz1", "xyz12",
|
|
"xyz123", "xyz1234", "01234567", "xyz123456", "xyz123456789012345678901234567890",
|
|
"aljkljfdpjopoewpoirerop934093094poipdfidpfdsfkjljdfpjoejkdjfljpfdkl",
|
|
"aljkljfdpjopoewpoirerop934093094poipdfidpfdsfkjljdfpjoejkdjfljpfdkllkj321oiiou321oijlkfdfjjlfdsjdslkfjdslfjldskafjldsflkfdsjlkj",
|
|
}
|
|
|
|
func BenchmarkCommonPrefixLen(b *testing.B) {
|
|
for _, prefix := range benchPrefixes {
|
|
b.Run(fmt.Sprintf("prefix-len-%d", len(prefix)), func(b *testing.B) {
|
|
benchmarkCommonPrefixLen(b, prefix)
|
|
})
|
|
}
|
|
}
|
|
|
|
func benchmarkCommonPrefixLen(b *testing.B, prefix string) {
|
|
b.ReportAllocs()
|
|
b.SetBytes(int64(len(prefix)))
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
a := append([]byte{}, prefix...)
|
|
a = append(a, 'a')
|
|
b := append([]byte{}, prefix...)
|
|
b = append(b, 'b')
|
|
for pb.Next() {
|
|
n := commonPrefixLen(a, b)
|
|
if n != len(prefix) {
|
|
panic(fmt.Errorf("unexpected prefix len; got %d; want %d", n, len(prefix)))
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func BenchmarkInmemoryBlockMarshal(b *testing.B) {
|
|
for _, prefix := range benchPrefixes {
|
|
b.Run(fmt.Sprintf("prefix-len-%d", len(prefix)), func(b *testing.B) {
|
|
benchmarkInmemoryBlockMarshal(b, prefix)
|
|
})
|
|
}
|
|
}
|
|
|
|
func benchmarkInmemoryBlockMarshal(b *testing.B, prefix string) {
|
|
const itemsCount = 500
|
|
|
|
b.ResetTimer()
|
|
b.SetBytes(int64(itemsCount * len(prefix)))
|
|
b.ReportAllocs()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
var ibSrc inmemoryBlock
|
|
for i := 0; i < itemsCount; i++ {
|
|
item := []byte(fmt.Sprintf("%s%d", prefix, i))
|
|
if !ibSrc.Add(item) {
|
|
b.Fatalf("cannot add more than %d items", i)
|
|
}
|
|
}
|
|
sort.Sort(&ibSrc)
|
|
|
|
var sb storageBlock
|
|
var firstItem, commonPrefix []byte
|
|
var n uint32
|
|
for pb.Next() {
|
|
firstItem, commonPrefix, n, _ = ibSrc.MarshalUnsortedData(&sb, firstItem[:0], commonPrefix[:0], 0)
|
|
if int(n) != itemsCount {
|
|
logger.Panicf("invalid number of items marshaled; got %d; want %d", n, itemsCount)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
func BenchmarkInmemoryBlockUnmarshal(b *testing.B) {
|
|
for _, prefix := range benchPrefixes {
|
|
b.Run(fmt.Sprintf("prefix-len-%d", len(prefix)), func(b *testing.B) {
|
|
benchmarkInmemoryBlockUnmarshal(b, prefix)
|
|
})
|
|
}
|
|
}
|
|
|
|
func benchmarkInmemoryBlockUnmarshal(b *testing.B, prefix string) {
|
|
var ibSrc inmemoryBlock
|
|
for i := 0; i < 500; i++ {
|
|
item := []byte(fmt.Sprintf("%s%d", prefix, i))
|
|
if !ibSrc.Add(item) {
|
|
b.Fatalf("cannot add more than %d items", i)
|
|
}
|
|
}
|
|
var sbSrc storageBlock
|
|
firstItem, commonPrefix, itemsCount, mt := ibSrc.MarshalUnsortedData(&sbSrc, nil, nil, 0)
|
|
|
|
b.ResetTimer()
|
|
b.SetBytes(int64(itemsCount) * int64(len(prefix)))
|
|
b.ReportAllocs()
|
|
b.RunParallel(func(pb *testing.PB) {
|
|
var ib inmemoryBlock
|
|
for pb.Next() {
|
|
if err := ib.UnmarshalData(&sbSrc, firstItem, commonPrefix, itemsCount, mt); err != nil {
|
|
logger.Panicf("cannot unmarshal inmemoryBlock: %s", err)
|
|
}
|
|
}
|
|
})
|
|
}
|