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c#.netperformancereflection

Activator.CreateInstance Performance Alternative


I'm using RedGate to do some performance evaluation. I notice dynamically creating an instance using Activator.CreateInstance (with two constructor parameters) is taking a decent amount of time... is there a better alternative that still utilizes a reflective approach (not explicit instantiation)?


Solution

  • Use a compiled lambda if you can, its MUCH faster.

    https://vagifabilov.wordpress.com/2010/04/02/dont-use-activator-createinstance-or-constructorinfo-invoke-use-compiled-lambda-expressions/