Get-Benchmark.ps1

function Get-Benchmark {
    [CmdletBinding()]
    param(
        $ScriptBlock,
        [Int32] $Iterations
    )
    begin {}
    process {
        $AllTimespans = [System.Collections.ArrayList]@()

        1..$Iterations | Foreach-Object{
            $ProgressSplat = @{
                Activity        = "Iterating Over ScriptBlock"
                Status          = "Current Iteration ($(  $_ ) of $Iterations)"
                PercentComplete = ( $_ / $Iterations ) * 100
            }
            Write-Progress @ProgressSplat

            Remove-Variable -Name Start -ErrorAction SilentlyContinue
            $Start = Get-Date
            Invoke-Command -ScriptBlock $ScriptBlock | Out-Null
            $AllTimespans.Add((New-TimeSpan $Start)) | Out-Null
        }
    }
    end {
        Write-Debug "Anything Else?"
        $Average = [String][Timespan]::FromTicks(([Math]::Round(($AllTimespans.ticks | Measure-Object -average | Select-Object -Expand Average))))
        $Min = [String][Timespan]::FromTicks(([Math]::Round(($AllTimespans.ticks | Measure-Object -Minimum | Select-Object -Expand Minimum))))
        $Max = [String][Timespan]::FromTicks(([Math]::Round(($AllTimespans.ticks | Measure-Object -Maximum | Select-Object -Expand Maximum))))
        Write-Output "Min: $Min"
        Write-Output "Avg: $Average"
        Write-output "Max: $Max"
    }
}