Load Balancing between the number of available procs

scheduler.go

package main

import (
  "fmt"
  "runtime"
)

func main() {
  procs := runtime.GOMAXPROCS(0)

  lines := []int{2, 3, 5, 7, 11, 13}

  numArrays := procs

  lo := 0
  hi := len(lines)
  step := 1

  if procs >= len(lines) {
    numArrays = len(lines)
    hi = 1
  } else {
    hi /= procs
    step = hi
  }

  fmt.Printf("Temos %d procs:\n", procs)
  fmt.Printf("Temos %d itens:\n", len(lines))
  fmt.Printf("Temos %d arrays:\n", numArrays)

  for i := 1; i <= numArrays; i++ {
    if i == numArrays {
      hi = len(lines)
    }

    fmt.Println(lines[lo:hi])

    lo = hi
    hi = hi + step
  }
}