[Mono-list] Poor Mono performance

Olajos, Imre IOlajos at ballytech.com
Tue Mar 12 16:26:51 UTC 2013


Robert,

> You're comparing MS' 64-bit runtime with a 32-bit Mono w/out LLVM
> support and with a pretty slow GC (under Windows).

I compiled the code with VS 2012 with x86 as the target platform, so it shouldn't be using anything 64-bit.


Ø  Since Windows isn't Mono's prime-time OS, you may want to try
under 64-bit Linux (where you can have LLVM and alternative GCs),
identify bottlenecks and file bugs with appropriate test cases.

I copied the .exe file I got from the above VS C# compilation over to my Linux machine, ran it there with mono -llvm, and it was just as slow ( compared to the "native" .NET run).

But filing a bug report is a good idea, I may do just that.

Thanks,

--
Imre

From: Robert Jordan [via Mono] [mailto:ml-node+s1490590n4658936h35 at n4.nabble.com]
Sent: Monday, March 11, 2013 11:16 AM
To: Olajos, Imre
Subject: Re: Poor Mono performance

On 11.03.2013 17:19, Olajos, Imre wrote:
> Is there anything I can do that would bring their relative
> performance difference closer to each other (e.g. below 20-25%)?

So you didn't find the well-hidden "--make-me-as-fast-as-ms"
switch, did you? :)

You're comparing MS' 64-bit runtime with a 32-bit Mono w/out LLVM
support and with a pretty slow GC (under Windows).

Since Windows isn't Mono's prime-time OS, you may want to try
under 64-bit Linux (where you can have LLVM and alternative GCs),
identify bottlenecks and file bugs with appropriate test cases.

Robert

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