MathGroup Archive: September 1999 [00093]

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Re: Freeing memory in Mathematica

To: mathgroup at smc.vnet.net
Subject: [mg19643] Re: Freeing memory in Mathematica
From: Mark Sofroniou <marks at wolfram.com>
Date: Tue, 7 Sep 1999 00:28:37 -0400
Organization: Wolfram Research Inc
References: <7q9g8i$o43@smc.vnet.net> <7qkmbq$4rr$2@dragonfly.wolfram.com> <7qqcd8$4hh@smc.vnet.net>
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bettina_hansen at writeme.com wrote:

> ...
>
> Any suggestions for easier implementation of memory freeing?

Here are two methods. Set $HistoryLength to discard stored results after a
certain number of calculations.

In[1]:= ?$HistoryLength
$HistoryLength specifies the number of previous lines of input and output to
   keep in a Mathematica session.

You can also load this package which calls Share at specified intervals. The
intervals can be specified by setting $MemoryIncrement.

In[2]:= Needs["Utilities`MemoryConserve`"];

In[3]:= ?MemoryConserve
MemoryConserve will reduce memory use with the Share function when memory used
   has increased by $MemoryIncrement.   On[ MemoryConserve] will use $Pre to
   make this happen automatically.

Mark

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