ディレクトリ配下の実行ファイルをリストアップして実行するためのスクリプト

run_each.ps1

#requires -Version 2

function execForEach($files, $beg, $end, $unroll) {
    $maximumRuntimeSeconds = 3
    $procs = @(1..$unroll)
    for ($i = $beg; $i -lt $end; $i += $unroll) {
        for ($j = 0; $j -lt $unroll; $j++) {
            $procs[$j] = Start-Process -NoNewWindow -FilePath $files[$i + $j].FullName -PassThru
        }
        try {
            for ($j = 0; $j -lt $unroll; $j++) {
                $procs[$j] | Wait-Process -Timeout $maximumRuntimeSeconds -ErrorAction Stop
            }
        }
        catch {
            Write-Warning -Message "A timeout is reached."
            for ($j = 0; $j -lt $unroll; $j++) {
                $procs[$j] | Stop-Process -Force
            }
        }
    }
}

$num_unroll = 10
$files = Get-ChildItem -Path ".\test"
$cnt = $files.Count
$rem = [int]($cnt / $num_unroll) * $num_unroll

execForEach $files 0 $rem $num_unroll
execForEach $files $rem $cnt 1