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From: jhopper@erinet.com (jim hopper)
Subject: Re: Tasking performance between Ada83 and Ada95
Date: 1997/06/07
Message-ID: <5napnp$8qe@eri.erinet.com>#1/1
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References: <1997Jun6.115223.7384@relay.nswc.navy.mil>
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Date: 1997-06-07T00:00:00+00:00
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In article <1997Jun6.115223.7384@relay.nswc.navy.mil>
mrose@nswc.navy.mil (Mike Rose) writes:

> I am checking the performance between Ada83 and Ada95 using the Tasking
> Benchmarks written by Thomas Burger from the PAL.
> 
> The Compilers I'm using are for Ada95 -  GNAT v3.07 and for
> Ada83 - Alsys Adaworld v5.5.4.  The operating system is HP UX v10.10.
> 
> Each test was run with the creation of 500 tasks.
> 
> In comparing the results between the two compilers, I found that the tasking
> performance is much slower with GNAT than with Alsys, every test was at least
> 10 times slower and some were much more.
> 
> Our software depends heavily on tasking.  Is there any way to improve the
> tasking performance with GNAT ?