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From: Alfred Hilscher <Alfred.Hilscher@t-online.de>
Subject: Re: Speeding up Ada procedure?
Date: Thu, 27 Feb 2003 19:43:50 +0100
Date: 2003-02-27T19:43:50+01:00	[thread overview]
Message-ID: <3E5E5C66.E2FA8021@t-online.de> (raw)
In-Reply-To: 1d13e1b4.0302261526.40058154@posting.google.com



Papandopulo schrieb:
> 
> I have certain procedures dealing with
> large arrays which are potential performance
> bottlenecks. While they didn't cause
> performance problems yet I intuitively
> feel they will.

I did performance measurement and improvements as my job for many years.
Experience showed that the problems often (nearly always) occured where
they were _not_ expected. 
So I would suggest to do some measurements first.
You can do this with GNAT very easy by running gprof.

> Is it a way to remove runtime array
> bounds and other checks for particular
> procedure ?

If it is assured that really the arrays are the problem then this could
be a way, but there raises the danger of (C-like) "buffer overflows".



  parent reply	other threads:[~2003-02-27 18:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-02-26 23:26 Speeding up Ada procedure? Papandopulo
2003-02-27  0:30 ` Hyman Rosen
2003-02-27  0:39 ` tmoran
2003-02-27  3:22 ` Steve
2003-02-27  8:38 ` Gautier
2003-02-27  8:48   ` Duncan Sands
2003-02-27  8:54 ` Jean-Pierre Rosen
2003-02-27 15:45 ` Mark Johnson
2003-02-27 22:57   ` John R. Strohm
2003-02-28 14:33     ` Mark Johnson
2003-02-27 18:43 ` Alfred Hilscher [this message]
2003-02-27 22:55 ` John R. Strohm
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