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Parallel jobs should default to the number of available, logical CPU cores.

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This commit is contained in:
Paul deGrandis 2016-02-22 08:11:14 -05:00
parent 73d1b31466
commit d9844d3ca7
1 changed files with 2 additions and 1 deletions
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3
mk.go
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@ -2,6 +2,7 @@ package main
import ( import (
"bufio" "bufio"
"runtime"
"flag" "flag"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
@ -311,7 +312,7 @@ func main() {
flag.BoolVar(&dryrun, "n", false, "print commands without actually executing") flag.BoolVar(&dryrun, "n", false, "print commands without actually executing")
flag.BoolVar(&shallowrebuild, "r", false, "force building of just targets") flag.BoolVar(&shallowrebuild, "r", false, "force building of just targets")
flag.BoolVar(&rebuildall, "a", false, "force building of all dependencies") flag.BoolVar(&rebuildall, "a", false, "force building of all dependencies")
flag.IntVar(&subprocsAllowed, "p", 4, "maximum number of jobs to execute in parallel") flag.IntVar(&subprocsAllowed, "p", runtime.NumCPU(), "maximum number of jobs to execute in parallel")
flag.BoolVar(&interactive, "i", false, "prompt before executing rules") flag.BoolVar(&interactive, "i", false, "prompt before executing rules")
flag.BoolVar(&quiet, "q", false, "don't print recipes before executing them") flag.BoolVar(&quiet, "q", false, "don't print recipes before executing them")
flag.Parse() flag.Parse()