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Re: Memory Blowup Issues

  • To: mathgroup at smc.vnet.net
  • Subject: [mg126730] Re: Memory Blowup Issues
  • From: Sseziwa Mukasa <mukasa at gmail.com>
  • Date: Sat, 2 Jun 2012 05:47:21 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201206010918.FAA11834@smc.vnet.net>

Clear out your history?

On Jun 1, 2012, at 5:18 AM, Kevin J. McCann wrote:

> I am dealing with some good sized data sets from satellite data. These 
> data are stored in hdf format. The problem is that I process a sequence 
> of these data sets by Importing and then processing; however, it seems 
> that the memory usage grows with each Import, even if I Remove the data.
> 
> Here is a somewhat simplified example:
> 
> MemoryInUse[] (* some data already read in *)
> 2781549920
> 
> Data=Import[fileName,"Data"]; (* import a new data set *)
> MemoryInUse[]
> 3302168936
> 
> Data=Import[fileName,"Data"];(* import  it again *)
> MemoryInUse[]
> 3822781920
> 
> Remove[Data] (* this has no effect on the memory usage *)
> MemoryInUse[]
> 3822787840
> 
> As you can see, I will shortly run out of memory. Any ideas?
> 
> Thanks,
> 
> Kevin
> 




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