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    Monitoring Memory Usage

    chipster123chipster123 Member
    edited December 2011 in General questions
    I'm looking for advice/techniques on how to monitory memory usage of a gideros project.
    Currently I'm flying blind just throwing things on a scene until it looks good. I need to keep an eye on resources utilization.

    Thanks in advance,
    Chip
    http://www.kosidossapps.com
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    Comments

    • MikeHartMikeHart Guru
      edited December 2011
      Hi chipster,

      Atilim posted this peace of code a few days ago:
      local monitorMem = function()
    collectgarbage()
    print( "\nMemUsage: " .. collectgarbage("count") )
end
 
stage:addEventListener(Event.ENTER_FRAME, monitorMem)
      http://michaelhartlef.carbonmade.com
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    • atilimatilim Maintainer
      An addition to @MikeHart, to monitor texture memory usage, you can look at logcat (for Android) or Xcode's console _while waiting for the next version_. You should see a log like:

      Inserting sky_world.png to the texture cache. Total memory is 1024 KB.
      Inserting bird_black_01.png to the texture cache. Total memory is 1056 KB.
      Inserting bird_black_02.png to the texture cache. Total memory is 1072 KB.
      Inserting bird_black_03.png to the texture cache. Total memory is 1104 KB.
      Increasing refcount of bird_black_01.png. New refcount is 2.
      Increasing refcount of bird_black_02.png. New refcount is 2.
      Increasing refcount of bird_black_03.png. New refcount is 2.
      Inserting bird_white_01.png to the texture cache. Total memory is 1136 KB.
      Inserting bird_white_02.png to the texture cache. Total memory is 1152 KB.
      Inserting bird_white_03.png to the texture cache. Total memory is 1184 KB.

      http://en.wikipedia.org/wiki/Cytorus
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    • chipster123chipster123 Member
      Thx!
      ~Chip
      http://www.kosidossapps.com
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    • RickyngkRickyngk Member
      edited March 2012
      Hi,

      I've see a message:
      log: Increasing refcount of file1.png. New refcount is 2.
      After that,
      log: Decreasing refcount of file1.png. New refcount is 1.
      Is it good or bad? "refcount is 1" that mean only one pointer is pointed to it, isn't it?

      Edit: I have another question. garbage collector will collect resource when refcount is 0 or 1?
      http://www.guava7.com/
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    • atilimatilim Maintainer
      Exactly. When it reaches 0, it will be deleted.
      http://en.wikipedia.org/wiki/Cytorus
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