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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.acm.org>
Subject: Re: Unconstrained Arrays
Date: Wed, 18 Mar 2009 18:31:43 GMT
Date: 2009-03-18T18:31:43+00:00	[thread overview]
Message-ID: <j6bwl.21407$DP1.231@attbi_s22> (raw)
In-Reply-To: <386b0e00-a1c6-4c5f-adf7-89b8543d0e2d@c11g2000yqj.googlegroups.com>

belteshazzar wrote:
> 
> Unfortuantely this is an optimisation and actually doesn't occur with
> optimisation off. (I just ran a test program). I'm told that due to
> the significant performance hit of the array initialisers when
> optimisation is turned off we can't use that.

If your compiler passes a 10,000-component array by copy at any optimization 
level, then you have a very poor compiler. If your vendor won't fix this, I'd 
recommend using another compiler.

And I'm sure everyone here would appreciate knowing what compiler this is, so we 
can avoid it.

-- 
Jeff Carter
"Mr. President, we must not allow a mine-shaft gap!"
Dr. Strangelove
33



  reply	other threads:[~2009-03-18 18:31 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-17  0:59 Unconstrained Arrays belteshazzar
2009-03-17  1:49 ` Jeffrey R. Carter
2009-03-17  2:58   ` belteshazzar
2009-03-17  4:15     ` Jeffrey Creem
2009-03-17  5:20     ` Jeffrey R. Carter
2009-03-17 17:56       ` Jeffrey R. Carter
2009-03-17 23:10         ` belteshazzar
2009-03-18 18:31           ` Jeffrey R. Carter [this message]
2009-03-20  1:53           ` Peter C. Chapin
2009-03-20  6:45             ` sjw
2009-03-20  9:46               ` Jacob Sparre Andersen
2009-03-20 11:40               ` Jean-Pierre Rosen
2009-03-25 21:11                 ` sjw
2009-03-25 22:30                   ` Robert A Duff
2009-03-25 23:28                     ` Randy Brukardt
2009-03-26  0:03                       ` Jeffrey R. Carter
2009-03-26  1:00                         ` Robert A Duff
2009-03-20 12:15               ` christoph.grein
2009-03-20 15:45               ` Adam Beneschan
2009-03-23  8:26                 ` belteshazzar
2009-03-25 21:21                 ` sjw
2009-03-25 22:03                   ` Adam Beneschan
2009-03-26  1:32                     ` tmoran
2009-03-27  8:39                   ` Jean-Pierre Rosen
2009-03-27 20:07                     ` sjw
2009-03-29 16:24                     ` sjw
2009-03-27 11:57                   ` Gautier
2009-03-17 15:33     ` Adam Beneschan
2009-03-17 23:00       ` belteshazzar
2009-03-17 20:14 ` anon
  -- strict thread matches above, loose matches on Subject: below --
2001-12-11 17:17 Unconstrained arrays Michael Unverzagt
2001-12-11 18:22 ` Stephen Leake
2001-12-11 18:24 ` Mark Lundquist
1993-08-15  5:01 Alex Blakemore
1993-08-13 21:08 J. Craig Heberle
1993-08-13 12:34 Paul Durbin
1993-08-12 21:23 Robert Dewar
1993-08-12 19:25 Wes Groleau x1240 C73-8
1993-08-12 17:27 agate!howland.reston.ans.net!math.ohio-state.edu!magnus.acs.ohio-state.ed
1993-08-12 16:26 Mark A Biggar
1993-08-12 16:00 Dave Collar d x7468
1993-08-12 15:28 Robert I. Eachus
1993-08-12 15:00 Robert Dewar
1993-08-12 13:03 Raymond Blaak
1993-08-12 12:14 cis.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!howland.
1993-08-12 12:03 cis.ohio-state.edu!pacific.mps.ohio-state.edu!math.ohio-state.edu!magnus.
1993-08-11 23:42 Kenneth Anderson
1993-08-11 23:40 cis.ohio-state.edu!math.ohio-state.edu!cs.utexas.edu!swrinde!menudo.uh.ed
1993-08-11 22:29 Kenneth Anderson
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