From: "Pascal Obry" <p.obry@der.edf.fr>
Subject: Re: Timing things.
Date: 1999/06/17
Date: 1999-06-17T00:00:00+00:00 [thread overview]
Message-ID: <7kaalj$j9$1@clnews.edf.fr> (raw)
In-Reply-To: 3767E18A.1904F5AF@acm.org
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Joel VanLaven <jvanlaven@acm.org> a �crit dans le message :
3767E18A.1904F5AF@acm.org...
> I wrote a program as an assignment for an algorithms class in
> Ada95 that builds and operates on a variety of double-ended priority
> queues. I am supposed to time certain operations (the build then the
> sum of the subsequent iterations of operations). I am trying to use
> ada.real_time (rather than using some OS feature). Problem is on my
> Windows98 PC using Gnat 3.11p I seem to be getting completely bogus and
> useless times. (granularity of at best 1/100 of a second though it looks
> more like 1/10 of a second)
>
This is true in GNAT 3.11 where the clock is implemented with standard
Windows
timing function.
In GNAT 3.12 the clock is implemented using a high resolution counter, this
gives the clock a resolution of about 1 micro-sec.
Pascal.
prev parent reply other threads:[~1999-06-17 0:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-06-16 0:00 Timing things Joel VanLaven
1999-06-16 0:00 ` Tom Moran
1999-06-16 0:00 ` Joel VanLaven
1999-06-17 0:00 ` Pascal Obry [this message]
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