How to interpret mono profiler results?

Posted by Ovidiu Pacurar on Stack Overflow See other posts from Stack Overflow or by Ovidiu Pacurar
Published on 2010-04-28T09:37:09Z Indexed on 2010/04/29 6:57 UTC
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Filed under:

mono

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profiler

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Performance

I created a console application in C# and running it on windows/.NET is 5x faster than on linux/mono or windows/mono. The app encodes some binary files into text format(JSON).

I profiled the app on linux/mono using:

mono --profile=default:stat myconsoleapp.exe

Here is the first part of the result:

prof counts: total/unmanaged: 32274/25062
  23542 72.95 % mono
    459  1.42 % System.Decimal:Divide (System.Decimal,System.Decimal)
    457  1.42 % System.Decimal:Round (System.Decimal,int,System.MidpointRounding)
    411  1.27 % /lib/libz.so.1
    262  0.81 % /lib/tls/i686/cmov/libc.so.6(memmove
    253  0.78 % System.Decimal:IsZero ()
    247  0.77 % System.NumberFormatter:Init (string,double,int)
    213  0.66 % System.NumberFormatter:AppendDigits (int,int)

72.95 % mono? Are mono internals using 3 quarters of the total execution time?

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