Unable to consume Process reserved memory

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  • Aravind
    #1

    Unable to consume Process reserved memory

    Unable to consume Process reserved memory
    Hi ,
    This is a Windows form application which interacts with the unmanaged
    C++ codes . In unmanaged c++ code we allocate around 130MB on the heap
    for annalysing high resolution images .

    Earlier during the processing ee do lot of process on the image and the
    memory reaches high at one point of time to 1.2GB , after that we clear
    all the memory being used so the memory in the task manager comes to
    really low.
    Also I am calling CompactHeap function in the c++ to get contigous
    memory space.

    Then when we read the processed high resolution image (130MB ) it is
    going to out of memory exception . At this point I run memory analyser
    and analysed the process memory , the reserved memory in the process is
    good enough and the free memory in the process is really low . I am
    wondering why the system is not taking the memory from the reserved
    memory space.

    Regards
    Aravind.

    Tags: None
    • Willy Denoyette [MVP]
      #2
      Re: Unable to consume Process reserved memory

      PLEASE stop multi-posting, you posted this same question a couple of days
      ago to this same NG and now you start re-posting to other NG's as well. I
      wonder how you manage to read the answers.

      This is what I answered in the CSharp NG.....
      What exactly do you mean with "clear the memory" and what exactly you are
      looking at in taskman?
      I would suggest you take a look at the memory consumption using perfmon,
      herewith you can inspect managed heap (CLR memory counters) and non managed
      heap memory (process counters).
      I would also suggest you read about memory management and GC heap management
      in windows application.


      Willy.

      "Aravind" <aravindakumar. v@gmail.com> wrote in message
      news:1123280446 .773616.313460@ g44g2000cwa.goo glegroups.com.. .[color=blue]
      > Unable to consume Process reserved memory
      > Hi ,
      > This is a Windows form application which interacts with the unmanaged
      > C++ codes . In unmanaged c++ code we allocate around 130MB on the heap
      > for annalysing high resolution images .
      >
      > Earlier during the processing ee do lot of process on the image and the
      > memory reaches high at one point of time to 1.2GB , after that we clear
      > all the memory being used so the memory in the task manager comes to
      > really low.
      > Also I am calling CompactHeap function in the c++ to get contigous
      > memory space.
      >
      > Then when we read the processed high resolution image (130MB ) it is
      > going to out of memory exception . At this point I run memory analyser
      > and analysed the process memory , the reserved memory in the process is
      > good enough and the free memory in the process is really low . I am
      > wondering why the system is not taking the memory from the reserved
      > memory space.
      >
      > Regards
      > Aravind.
      >[/color]


        Comment

        • Aravindakumar Venugopalan
          #3
          Re: Unable to consume Process reserved memory

          Willy,
          sorry for multi-posting the question.
          -Aravind



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