[Mono-dev] Big performance gaps between .NET, Mono (Suse/Debian) ?

Gladish, Jacob Jacob.Gladish at sig.com
Tue Oct 6 08:58:31 EDT 2009

There has been some chatter lately about the sgen garbage collector. Does anyone know how sgen performs relative to the current libgc?

From: mono-devel-list-bounces at lists.ximian.com [mailto:mono-devel-list-bounces at lists.ximian.com] On Behalf Of Alan McGovern
Sent: Tuesday, October 06, 2009 6:46 AM
To: Lionel Cuir
Cc: mono-devel-list at lists.ximian.com
Subject: Re: [Mono-dev] Big performance gaps between .NET, Mono (Suse/Debian) ?

Calling 'ToString' is just a GC benchmark. Yes, the current mono GC is slower than the .NET GC in this scenario. Your other tests also do a fair bit of allocating, so it's quite possible the entire performance loss you're seeing is just from the GC kicking in. If you want to test how fast you can add elements to a Dictionary, pre-allocate all the objects first and then time just the addition.


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