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Re: large memory malloc
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Re: large memory malloc


  • Subject: Re: large memory malloc
  • From: Lawrence Gold <email@hidden>
  • Date: Thu, 30 Jun 2005 19:17:50 -0600

James E. Hopper wrote:
> i have a simple xcode project that does a malloc that for the latest
> data set has grown to just under 3gb.  the malloc is failing (on
> 10.3.9).  since i have 4gb of ram and the docs imply i can access up  to
> 4gb space without having to go to 64 bit addressing, i was hoping  there
> was something simple i could do to make this work?
>
> docs for ld on linux speak of an option --heap that lets you set the
> max heap size, but this is not available on the os x linker.

I'm not certain if it would do what you want, but it might be worth
exploring mmap():

	man mmap
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References: 
 >large memory malloc (From: "James E. Hopper" <email@hidden>)

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