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[Freeciv-Dev] Re: [RFC][Patch] Inline

[Freeciv-Dev] Re: [RFC][Patch] Inline

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To: rf13@xxxxxxxxxxxxxxxxxxxxxx
Cc: freeciv development list <freeciv-dev@xxxxxxxxxxx>
Subject: [Freeciv-Dev] Re: [RFC][Patch] Inline
From: Raahul Kumar <raahul_da_man@xxxxxxxxx>
Date: Thu, 21 Mar 2002 05:57:37 -0800 (PST)

--- Raimar Falke <hawk@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
> This is ok.

Nothing to do with testing the releases. So far in your experience with Gcc
3.03, have you found it more stable/faster/smaller executables? Same goes for
2.4.18 kernel. In particular, I want to know if you've had any bad VM problems.

> > >  - -fomit-frame-pointer or not
> > 
> > You used that? You didn't mention this before. 
> I experimented with it. It showed a small increase.

Annoying. I was hoping using options other than -02 -inline -NDEBUG would show
noticeable increase in performance.

Any joy out of funroll-all-loops,-ffast-math ? 

> > > > It would also be nice to have results for stock with -03 to compare
> with
> > > > patch and -03.
> > > 
> > > I don't have these numbers.
> > 
> > I was requesting those numbers.
> I do use you my computer today ;) Such usage _does_ (it shouldn't but
> it does) change the user time. This is also a reason why a nightly
> testing would be nice.

OK. Whenever it is doable. 

> > It seems -03 is a fairly bad optimisation.
> There is just nothing more to squeeze.
> > Jason ran some tests on the stock freeciv, and he seemed to get large
> increases in performance just by using NDEBUG. Jason, some comments on your 
> previous tests please?
> >
> > With your patch and NDEBUG the speed increase is minor. Why?
> Note that I disabled CHECK_MAP_POS in all tests. NDEBUG will also
> disable CHECK_MAP_POS and so lead to an performance increase.

If I remeber correctly, Jason and you agreed CHECK_MAP_POS would eventually go.
Is that blessed day dawning ?

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