• d-bugmail puremagic.com (34/34) Mar 22 2013 http://d.puremagic.com/issues/show_bug.cgi?id=9783
• d-bugmail puremagic.com (11/11) Mar 22 2013 http://d.puremagic.com/issues/show_bug.cgi?id=9783
• d-bugmail puremagic.com (8/8) Mar 22 2013 http://d.puremagic.com/issues/show_bug.cgi?id=9783
• d-bugmail puremagic.com (10/10) Jul 27 2013 http://d.puremagic.com/issues/show_bug.cgi?id=9783

d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=9783

           Summary: tracing of recursive function calls yields bad timing
           Product: D
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: druntime
        AssignedTo: nobody puremagic.com
        ReportedBy: r.sagitario gmx.de



PDT ---
Compiling this code:

int foo(int n)
{
    if (n <= 0)
        return 0;
    return foo(n-1) + foo(n-2);
}

void main()
{
    foo(30);
}

with "dmd -profile test.d" and exceuting it yields a trace.log containing

  Num          Tree        Func        Per
  Calls        Time        Time        Call

4356617     4337248      201989           0     int test.foo(int)
      1      201989           0           0     _Dmain

that reports that the tree time of foo was a lot larger than the tree time of
its only caller.

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=9783




Commits pushed to master at https://github.com/D-Programming-Language/druntime

https://github.com/D-Programming-Language/druntime/commit/f84708e9cb4811ad7b71f104c7c9704672665124
fix issue 9783: fix tree time when profiling recursive functions

https://github.com/D-Programming-Language/druntime/commit/187cee5ca665e314de433649df2272d9e70880e2


fix issue 9783: fix tree time when profiling recursive functions

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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=9783




Commit pushed to phobos-1.x at https://github.com/D-Programming-Language/phobos

https://github.com/D-Programming-Language/phobos/commit/3ea3ec6c8ccc2b7b8a82d12a823b6b774bb53ee6


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d-bugmail puremagic.com writes:

http://d.puremagic.com/issues/show_bug.cgi?id=9783


yebblies <yebblies gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |yebblies gmail.com
         Resolution|                            |FIXED


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