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MathGroup Archive 2001

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Re: Memory Leak

  • To: mathgroup at smc.vnet.net
  • Subject: [mg30065] Re: Memory Leak
  • From: "Allan Hayes" <hay at haystack.demon.co.uk>
  • Date: Thu, 26 Jul 2001 01:20:02 -0400 (EDT)
  • References: <9jlkhg$8iu$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Carl,
The following result is with

Version: "4.1 for Microsoft Windows (November 2, 2000)"
Machine: Toshiba Tecra 750 DVD


In[1]:=
Do[Print[MemoryInUse[]]; ListConvolve[{1, 2, 3},
    {2, 3, 4}], {10}]

1264080

1264192

1264192

1264192

1264192

1264192

1264192

1264192

1264192

1264192
--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565

"Carl K. Woll" <carlw at u.washington.edu> wrote in message
news:9jlkhg$8iu$1 at smc.vnet.net...
> Hi all,
>
> I've discovered another memory leak in Mathematica. When I execute the
> following code:
>
> In[6]:=
> Do[Print[MemoryInUse[]]; ListConvolve[{1, 2, 3},
>     {2, 3, 4}], {10}]
>
> 1255008
> 1255144
> 1255168
> 1255192
> 1255216
> 1255240
> 1255264
> 1255288
> 1255312
> 1255336
>
> You can see that each loop has an increase in the memory usage for no
> apparent reason. This memory leak occurs with version 4.0 under WindowsNT.
> It does not occur with version 4.1 under Linux. I would appreciate it if
> anyone out there with a different configuration than the above would check
> out whether a memory leak exists for their configuration.
>
> Carl Woll
> Physics Dept
> U of Washington
>
>
>




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