Created
May 28, 2017 02:31
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// 测试 RoundRobin 中通过取余和通过判断大小的两种方法的性能 | |
package main | |
import "testing" | |
type roundrobin struct { | |
i int // 服务地址索引 | |
servers []string // 可用的服务地址 | |
} | |
const count = 10 | |
func (r *roundrobin) module() string { | |
s := r.servers[r.i] | |
r.i++ | |
r.i %= len(r.servers) | |
return s | |
} | |
func (r *roundrobin) check() string { | |
s := r.servers[r.i] | |
r.i++ | |
if r.i == len(r.servers) { | |
r.i = 0 | |
} | |
return s | |
} | |
func BenchmarkModule(b *testing.B) { | |
var r = roundrobin{ | |
servers: make([]string, count), | |
} | |
for i := 0; i < b.N; i++ { | |
r.module() | |
} | |
} | |
func BenchmarkCheck(b *testing.B) { | |
var r = roundrobin{ | |
servers: make([]string, count), | |
} | |
for i := 0; i < b.N; i++ { | |
r.check() | |
} | |
} |
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