Created
May 6, 2020 20:03
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| package main | |
| import ( | |
| "fmt" | |
| "runtime" | |
| "time" | |
| ) | |
| var numCPU = runtime.NumCPU() | |
| // Vector c | |
| type Vector []float64 | |
| func (v Vector) doPart(i, n int, u Vector, done chan<- int) { | |
| for ; i < n; i++ { | |
| v[i] = v.op(u[i]) | |
| } | |
| done <- 1 | |
| } | |
| func (v Vector) doAll(u Vector) { | |
| c := make(chan int, numCPU) | |
| for i := 0; i < numCPU; i++ { | |
| go v.doPart(i*len(v)/numCPU, (i+1)*len(v)/numCPU, u, c) | |
| } | |
| for i := 0; i < numCPU; i++ { | |
| <-c | |
| } | |
| } | |
| func (v Vector) op(value float64) float64 { | |
| time.Sleep(time.Second) | |
| fmt.Println(value) | |
| return value | |
| } | |
| func main() { | |
| v := Vector(make([]float64, 100)) | |
| u := Vector(make([]float64, 100)) | |
| for i := 0; i < len(v); i++ { | |
| v[i] = float64(i) | |
| u[i] = float64(i) | |
| } | |
| v.doAll(u) | |
| } |
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