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

pablosantosluac at terra.es pablosantosluac at terra.es
Tue Oct 6 13:21:32 EDT 2009


Chuck Esterbrook wrote:
> A web search showed me that GC can be turned off with the environment
> variable GC_DONT_GC. Maybe that should be called MONO_GC_ON. In any
> case, any value will turn off the GC, including blank, so to turn it
> back on, unset it.
> I tested with a command line Mono program that is not a
> microbenchmark. With GC, it peaks at around 180MB and without, it
> peaks around 840MB and runs about 18% faster. I gave the same program
> less work to do and its performance boost was only 10%.
> So now you can try your programs without GC to see how much it
> contributes to performance drag. Just watch for swap.  :-)
> Does anyone know what's involved with plugging in your own GC into Mono?

Nightmare level??

> -Chuck
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