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lib/{encoding,decimal}: add benchmarks for blocks containing zeros or ones

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Time series with such values are quite common in monitoring space,
so it would be great to have benchmarks for them.
This commit is contained in:
Aliaksandr Valialkin 2019-11-01 16:31:51 +02:00
parent 370cfbb365
commit 808fc0971f
2 changed files with 43 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

40
lib/decimal/decimal_timing_test.go
View file

@ -8,17 +8,38 @@ import (
)
func BenchmarkAppendDecimalToFloat(b *testing.B) {
b.Run("VarNums", func(b *testing.B) {
benchmarkAppendDecimalToFloat(b, testVA)
})
b.Run("Zeros", func(b *testing.B) {
benchmarkAppendDecimalToFloat(b, testZeros)
})
b.Run("Ones", func(b *testing.B) {
benchmarkAppendDecimalToFloat(b, testOnes)
})
}
func benchmarkAppendDecimalToFloat(b *testing.B, a []int64) {
b.ReportAllocs()
b.SetBytes(int64(len(testVA)))
b.SetBytes(int64(len(a)))
b.RunParallel(func(pb *testing.PB) {
var fa []float64
for pb.Next() {
fa = AppendDecimalToFloat(fa[:0], testVA, 0)
fa = AppendDecimalToFloat(fa[:0], a, 0)
atomic.AddUint64(&Sink, uint64(len(fa)))
}
})
}
var testZeros = make([]int64, 8*1024)
var testOnes = func() []int64 {
a := make([]int64, 8*1024)
for i := 0; i < len(a); i++ {
a[i] = 1
}
return a
}()
func BenchmarkAppendFloatToDecimal(b *testing.B) {
b.Run("RealFloat", func(b *testing.B) {
benchmarkAppendFloatToDecimal(b, testFAReal)
@ -26,8 +47,23 @@ func BenchmarkAppendFloatToDecimal(b *testing.B) {
b.Run("Integers", func(b *testing.B) {
benchmarkAppendFloatToDecimal(b, testFAInteger)
})
b.Run("Zeros", func(b *testing.B) {
benchmarkAppendFloatToDecimal(b, testFZeros)
})
b.Run("Ones", func(b *testing.B) {
benchmarkAppendFloatToDecimal(b, testFOnes)
})
}
var testFZeros = make([]float64, 8*1024)
var testFOnes = func() []float64 {
a := make([]float64, 8*1024)
for i := 0; i < len(a); i++ {
a[i] = 1
}
return a
}()
func benchmarkAppendFloatToDecimal(b *testing.B, fa []float64) {
b.ReportAllocs()
b.SetBytes(int64(len(fa)))

10
lib/encoding/encoding_timing_test.go
View file

@ -32,7 +32,7 @@ func BenchmarkUnmarshalGaugeArray(b *testing.B) {
var dst []int64
var err error
for pb.Next() {
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledGaugeArray, MarshalTypeZSTDNearestDelta, 0, len(benchGaugeArray))
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledGaugeArray, MarshalTypeZSTDNearestDelta, benchGaugeArray[0], len(benchGaugeArray))
if err != nil {
panic(fmt.Errorf("cannot unmarshal gauge array: %s", err))
}
@ -79,7 +79,7 @@ func BenchmarkUnmarshalDeltaConstArray(b *testing.B) {
var dst []int64
var err error
for pb.Next() {
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledDeltaConstArray, MarshalTypeDeltaConst, 0, len(benchDeltaConstArray))
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledDeltaConstArray, MarshalTypeDeltaConst, benchDeltaConstArray[0], len(benchDeltaConstArray))
if err != nil {
panic(fmt.Errorf("cannot unmarshal delta const array: %s", err))
}
@ -126,7 +126,7 @@ func BenchmarkUnmarshalConstArray(b *testing.B) {
var dst []int64
var err error
for pb.Next() {
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledConstArray, MarshalTypeConst, 0, len(benchConstArray))
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledConstArray, MarshalTypeConst, benchConstArray[0], len(benchConstArray))
if err != nil {
panic(fmt.Errorf("cannot unmarshal const array: %s", err))
}
@ -171,7 +171,7 @@ func BenchmarkUnmarshalZeroConstArray(b *testing.B) {
var dst []int64
var err error
for pb.Next() {
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledZeroConstArray, MarshalTypeConst, 0, len(benchZeroConstArray))
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledZeroConstArray, MarshalTypeConst, benchZeroConstArray[0], len(benchZeroConstArray))
if err != nil {
panic(fmt.Errorf("cannot unmarshal zero const array: %s", err))
}
@ -210,7 +210,7 @@ func BenchmarkUnmarshalInt64Array(b *testing.B) {
var dst []int64
var err error
for pb.Next() {
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledInt64Array, benchMarshalType, 0, len(benchInt64Array))
dst, err = unmarshalInt64Array(dst[:0], benchMarshaledInt64Array, benchMarshalType, benchInt64Array[0], len(benchInt64Array))
if err != nil {
panic(fmt.Errorf("cannot unmarshal int64 array: %s", err))
}