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channel_test.go
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channel_test.go
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package benchmarks
import (
"testing"
)
func produce(x chan struct{}, count int) {
for i := 0; i < count; i++ {
x <- struct{}{}
}
}
func produceNonBlocking(x chan struct{}, count int) {
for i := 0; i < count; i++ {
select {
case x <- struct{}{}:
default:
}
}
}
func consume(x chan struct{}, count int) {
for i := 0; i < count; i++ {
<-x
}
}
func consumeNonBlocking(x chan struct{}, count int) {
for i := 0; i < count; i++ {
select {
case <-x:
default:
}
}
}
func BenchmarkChannelReceive(b *testing.B) {
b.StopTimer()
d := make(chan struct{}, b.N)
produce(d, b.N)
b.StartTimer()
consume(d, b.N)
}
func BenchmarkChannelSend(b *testing.B) {
b.StopTimer()
d := make(chan struct{}, b.N)
b.StartTimer()
produce(d, b.N)
}
func BenchmarkChannelNonBlockingReceive(b *testing.B) {
b.StopTimer()
d := make(chan struct{}, b.N)
produce(d, b.N)
b.StartTimer()
consumeNonBlocking(d, b.N)
}
func BenchmarkChannelNonBlockingReceiveEmpty(b *testing.B) {
b.StopTimer()
d := make(chan struct{}, b.N)
b.StartTimer()
consumeNonBlocking(d, b.N)
}
func BenchmarkChannelNonBlockingSend(b *testing.B) {
b.StopTimer()
d := make(chan struct{}, b.N)
b.StartTimer()
produceNonBlocking(d, b.N)
}
func BenchmarkChannelNonBlockingSendFull(b *testing.B) {
b.StopTimer()
d := make(chan struct{}, b.N)
produce(d, b.N)
b.StartTimer()
produceNonBlocking(d, b.N)
}