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From: Geert Bosch <geert@gonzo.sun3.iaf.nl>
Subject: Re: Ada for OS/2 (was Re: Linux faster than OS/2...)
Date: 1997/07/04
Message-ID: <5pjqs1$n7m$1@gonzo.sun3.iaf.nl>#1/1
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References: <5ovqj1$4ul$1@unlisys.unlisys.net>
 <5p06jo$c1r$2@elektron.et.tudelft.nl> <5p38a7$2df$2@unlisys.unlisys.net>
 <5p93ov$9ro@news.mr.net> <5p9tpm$e90$1@unlisys.unlisys.net>
 <5pbea3$a0v@corn.cso.niu.edu> <5peljs$i2p$1@gonzo.sun3.iaf.nl>
 <5phted$suk$1@unlisys.unlisys.net>
Organization: La Calandre Infortunee
Newsgroups: comp.os.os2.programmer.misc,comp.lang.ada
Date: 1997-07-04T00:00:00+00:00
List-Id: <comp.lang.ada>


[Some newsgroups removed]

In comp.lang.ada erdmann@ibm.net wrote:
   I have re done my tests again based on the information in mind
   i did receive so far. The results for a 5 packages OS/2 PM
   program are:

           OS/2 : 107 sec   
           Linux:  95 sec

What you should look at is CPU load during compile which should be
100%. A lower figure indicates that the system is waiting for I/O,
which can be caused by a diskcache that is too small, disabled
lazy-write caching, or swapping due to insufficient memory. 

When CPU-load is straight 100% you know you can't do much better.
In that case the difference of 10% seems high to me for compilation.
(Binding and linking is another story, the binder is I/O bound and
the linker is system-dependent.)

Regards,
   Geert