If you have ever noticed a lag with powershell, here is a way to speed things up.
Update-Gac.ps1
Below is the content of the Update-GAC.ps1 script that I run whenever I install a new version of PowerShell. Our installation is supposed to ngen the assemblies in the background. If that works, it doesn’t work fast enough for me. Also I’ve seen lots of examples where people run this script long after their install and things get a TON faster so …. The install team is looking into the issue but until then – here is the script I use:
Set-Alias ngen @(
dir (join-path ${env:\windir} "Microsoft.NET\Framework") ngen.exe -recurse |
sort -descending lastwritetime
)[0].fullName
[appdomain]::currentdomain.getassemblies() | %{ngen $_.location}
PowerShell Team Blog : Update-Gac.ps1
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