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Forum: Run Management
Re: Question speed of calculations on Geant4 under Windows/Cygwin vs Geant3 under Windows (Victor_Makarov)
Re: None Re: speed of calculations on Geant4 under Windows/Cygwin vs Geant3 under Windows (Makoto Asai)
Date: 11 May, 2007
From: Mark Donszelmann <Mark Donszelmann>

Hi Makoto,

On May 11, 2007, at 5:35 PM, Makoto Asai wrote:

> *** Discussion title: Run Management
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/runmanage/187/2"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
>
> Dear Victor,
>
> Which compiler are you using with your Cygwin? If you use g++, that
> is the reason of the performance issue. Even if you use VC++, if you
> execute your simulation on Cygwin, there is an overhead.
>

I wonder which overhead Cygwin adds to a VC6,7,8 executable
running on Cygwin?

Though the VC compiler/linker is called from Cygwin, it does not
link anything from the cygwin area.

Regards
Mark Donszelmann

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