我用展鹏做一些绩效评估。使用 Activator.CreateInstance （有两个构造函数参数），走的时候一个像样的量......有没有更好的替代方案，还是采用了反射式的做法，我注意到动态地创建一个实例（未明确instantation）？

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 instantation)?

感谢。

推荐答案

如果可以，请使用编译的lambda，它的速度要快得多。

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

https://vagifabilov.word$p$pss.com/2010/04/02/dont-use-activator-createinstance-or-constructorinfo-invoke-use-compiled-lambda-ex$p$pssions/