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Re: memory allocation on Macs [message #60093 is a reply to message #60092]

Thu, 01 May 2008 11:15

Rick Towler
Messages: 821
Registered: August 1998

Senior Member

pgrigis wrote:
> Hi folks,
>
> we have pretty much exhausted the topic of memory
> allocation on Windows and Linux, but I don't remember
> any discussion abut this on Mac OS.
>
> So, I am using IDL 6.3 on Mac OS X 10.4.11.
>
> I tried allocating as many 1GB array as possible,
> and it failed after 3 successful allocations.
> Now, the "Activity Monitor" indicates that at this point
> I have 3.6 GB of memory used and 3.4 GB free.
> So I am wondering why cant'I allocate a couple more
> of 1GB arrays?

I'm not a macatista, but a quick google search reveals that as of 10.3,
the per process memory limit in OS X is 4GB. That squares with what
you're seeing. Someone more in the know might be able to tell you
if/how this can be tuned. For instance using "setrlimit".

-Rick

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[Message index]

		Re: memory allocation on Macs By: pgrigis on Fri, 02 May 2008 12:13
		Re: memory allocation on Macs By: Brian Larsen on Fri, 02 May 2008 10:56
		Re: memory allocation on Macs By: Karl[1] on Fri, 02 May 2008 09:36
		Re: memory allocation on Macs By: pgrigis on Thu, 01 May 2008 14:00
		Re: memory allocation on Macs By: pgrigis on Thu, 01 May 2008 13:56
		Re: memory allocation on Macs By: Brian Larsen on Thu, 01 May 2008 13:08
		Re: memory allocation on Macs By: pgrigis on Thu, 01 May 2008 12:06
		Re: memory allocation on Macs By: pgrigis on Thu, 01 May 2008 11:25
		Re: memory allocation on Macs By: Rick Towler on Thu, 01 May 2008 11:15
		Re: memory allocation on Macs By: Brian Larsen on Thu, 01 May 2008 10:54
		Re: memory allocation on Macs By: Kenneth P. Bowman on Fri, 02 May 2008 12:39
		Re: memory allocation on Macs By: Karl[1] on Mon, 05 May 2008 13:23
		Re: memory allocation on Macs By: ekvys101 on Fri, 02 May 2008 16:57

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