[Quickfix-users] QuickFix 1.13.3 much slower after upgrade to Visual Studio 2010 / .NET 4.0

[sevzas <se...@gm...>]

We've been using quickfix 1.13.3 built using VS 2008 targeting X64 for a
little over a year.

During the process of upgrading our .NET app to use Visual Studio 2010 /
.NET 4.0, I rebuilt QuickFix using VS 2010.

I find that while nearly all of my app has registered significant
performance gains under .NET 4.0, the Quickfix functionality is about *half*
as fast - twice as slow.

I determined this using Eqatec 3.3 profiler.  Regular "user" testing
confirms this.  Unfortunately Eqatec will not allow me to profile mixed mode
assemblies, so I cannot profile inside QuickFix.   Before I bring in another
profiling tool, I wanted to reach out to the Quickfix user community to see
if anyone has experienced this.

I see the slowness with both the Release and the Debug builds.

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