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Rick Minerich on event performance in F# and C#

By Petr at June 27, 2010 01:52
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DelegateEvents use DynamicInvoke under the hood and so can be slow when trigged frequently.  As we have an existing model which requires an event interface, this was was causing our F# implementation to be a bit slower than the C# we were comparing it to.  Thankfully, F# allows you to implement your own eventing via IDelegateEvent.  With a standard Invoke version of DelegateEvent provided by James Margetson, our implementation in F# is running at equivalent speed to C#.
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