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package roaring
import (
"math/rand"
"testing"
)
func BenchmarkIntersectionLargeParallel(b *testing.B) {
b.StopTimer()
initsize := 650000
r := rand.New(rand.NewSource(0))
s1 := NewBitmap()
sz := 150 * 1000 * 1000
for i := 0; i < initsize; i++ {
s1.Add(uint32(r.Int31n(int32(sz))))
}
s2 := NewBitmap()
sz = 100 * 1000 * 1000
for i := 0; i < initsize; i++ {
s2.Add(uint32(r.Int31n(int32(sz))))
}
b.StartTimer()
card := uint64(0)
for j := 0; j < b.N; j++ {
s3 := ParAnd(0, s1, s2)
card = card + s3.GetCardinality()
}
}
func BenchmarkIntersectionLargeRoaring(b *testing.B) {
b.StopTimer()
initsize := 650000
r := rand.New(rand.NewSource(0))
s1 := NewBitmap()
sz := 150 * 1000 * 1000
for i := 0; i < initsize; i++ {
s1.Add(uint32(r.Int31n(int32(sz))))
}
s2 := NewBitmap()
sz = 100 * 1000 * 1000
for i := 0; i < initsize; i++ {
s2.Add(uint32(r.Int31n(int32(sz))))
}
b.StartTimer()
card := uint64(0)
for j := 0; j < b.N; j++ {
s3 := And(s1, s2)
card = card + s3.GetCardinality()
}
}
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