func benchmarkIterator(b *testing.B, opt influxql.IteratorOptions, pointN int) {
e := MustInitBenchmarkEngine(pointN)
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
itr, err := e.CreateIterator(opt)
if err != nil {
b.Fatal(err)
}
influxql.DrainIterator(itr)
}
}
func benchmarkCallIterator(b *testing.B, opt influxql.IteratorOptions, pointN int) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
// Create a lightweight point generator.
p := influxql.FloatPoint{Name: "cpu", Value: 100}
input := FloatPointGenerator{
N: pointN,
Fn: func(i int) *influxql.FloatPoint { return &p },
}
// Execute call against input.
itr, err := influxql.NewCallIterator(&input, opt)
if err != nil {
b.Fatal(err)
}
influxql.DrainIterator(itr)
}
}
func benchmarkDistinctIterator(b *testing.B, pointN int) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
// Create a lightweight point generator.
p := influxql.FloatPoint{Name: "cpu"}
input := FloatPointGenerator{
N: pointN,
Fn: func(i int) *influxql.FloatPoint {
p.Value = float64(i % 10)
return &p
},
}
// Execute call against input.
itr, err := influxql.NewDistinctIterator(&input, influxql.IteratorOptions{})
if err != nil {
b.Fatal(err)
}
influxql.DrainIterator(itr)
}
}
