[Mono-bugs] [Bug 610940] New: [GMCS] : Regression : Compilation is very slow comparing to mono 2.4.x

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http://bugzilla.novell.com/show_bug.cgi?id=610940

http://bugzilla.novell.com/show_bug.cgi?id=610940#c0


           Summary: [GMCS] : Regression : Compilation is very slow
                    comparing to mono 2.4.x
    Classification: Mono
           Product: Mono: Compilers
           Version: 2.6.x
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: informatique.internet at fiducial.fr
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=366397)
 --> (http://bugzilla.novell.com/attachment.cgi?id=366397)
Just untar the package... and do a make clean && make

User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; fr; rv:1.9.2.3)
Gecko/20100423 Ubuntu/10.04 (lucid) Firefox/3.5

Compilation is very slow comparing to mono 2.4.x

mono 2.6.x is 30x slower than mono 2.4.x (on our project)
mono 2.7.x is 15x slower than mono 2.4.x

Reproducible: Always

Steps to Reproduce:
1. untar my package
2. make && make clean
3.
Actual Results:  
on mono 2.6.4 :  2.6 -> real 2m34.763s
on mono 2.7 (trunk) 2.7 ->  real 1m18.753s
on mono 2.4.4 (bundled with ubuntu) 2.4 -> real    0m4.639s

The IntranetEngine.dll assembly is about ~1.5Mb

Expected Results:  
compilation it should ~= to 5s

It's very hard to develop with mono, because we have to wait ~2mn for each
recompilation...

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