Improving Compiler Performance for Large Projects

  1. Exit Flash Builder or Eclipse
  2. Open your FlashBuilder.ini or eclipse.ini file
    • Mac
      1. Right click on Adobe Flash Builder 4.app or Eclipse.app, Show Package Contents
      2. Open Contents > MacOS > Adobe Flash Builder 4.ini or eclipse.ini
    • Windows
      1. Open C:\Program Files\Adobe\Adobe Flash Builder 4\FlashBuilder.ini or <path to Eclipse>\eclipse.ini
  3. Find the maximum heap size setting, e.g. “-Xmx512m”
  4. Choose a new value for Xmx
  5. Save and restart Flash Builder or Eclipse
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8 Responses to Improving Compiler Performance for Large Projects

  1. Jagan says:
    September 8, 2010 at 1:28 pm

    What could be the possible values for Xmx ?

  2. dl says:
    October 26, 2010 at 11:28 am

    Hm,
    -Xmx512m” is default here when installing ?!

    When I try to start with 1024 its not starting

  3. dp says:
    October 28, 2010 at 10:57 pm

    I am experiencing the same problem as dl when uping the allotted memory.

  4. Satish AS says:
    March 25, 2011 at 3:56 am

    Me too……. what the solution?

  5. Rishi says:
    August 4, 2011 at 12:27 am

    -Xmx512m” is default here when installing ?!

    When I try to start with 1024 its not starting….

    what is the solution?

  7. CharlieSkin says:
    January 18, 2012 at 4:33 am

    same problem, just upgraded to 4.6, in 4.0 I could set xmx1024. My project is obviously huge, since running clean twice in a row results in a Java Heap.