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Howard van Rooijen's EMC Consulting Blog (2004 - 2010)

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Speed up PowerShell

Jeffrey Snover just dropped this little gem into the "PowerShell: Creating Manageable Web Services" PDC session. Essentially there is an issue with the declarative nature of PowerShell's internals and how .NET Ngen's assemblies - which resulted in the core PowerShell assemblies not being Ngen'd - which as a side effect makes the PowerShell environment slow. By running this script you Ngen the assemblies and make PowerShell run much faster!

Set-Alias ngen @(
dir (join-path ${env:\windir} "Microsoft.NET\Framework") ngen.exe -recurse |
sort -descending lastwritetime
)[0].fullName
[appdomain]::currentdomain.getassemblies() | %{ngen $_.location}

Published Thursday, October 30, 2008 5:06 PM by howard.vanrooijen
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Mark.Mann said:

works a treat! sweet!

October 31, 2008 10:47 AM

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