simplebench

$ 1..1000 | %{ measure-command { ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")}  }| sort -Descending -Property TotalMilliseconds | select -First 20 -Property TotalMilliseconds

TotalMilliseconds
-----------------
           9.2754
           0.9975
            0.195
            0.191
           0.1877
           0.1817
           0.1768
           0.1681
           0.1532
           0.1509
           0.1489
           0.1473
           0.1433
            0.133
           0.1291
           0.1274
           0.1228
           0.1165
           0.1158
           0.1135


$ $me = ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")


$ 1..1000 | %{ measure-command { $me}  }| sort -Descending -Property TotalMilliseconds | select -First 20 -Property TotalMilliseconds

TotalMilliseconds
-----------------
           9.8323
             0.93
           0.0586
           0.0582
           0.0516
           0.0496
           0.0473
           0.0437
           0.0407
            0.039
           0.0384
           0.0321
           0.0317
           0.0317
           0.0314
           0.0288
           0.0284
           0.0271
           0.0254
           0.0254