Objective-C message sends are not much slower than C++ virtual calls: http://mik... | Hacker News

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madmoose on Nov 7, 2011 | parent | context | favorite | on: I loved C. But it always fell short for me. Object...

Objective-C message sends are not much slower than C++ virtual calls:

http://mikeash.com/pyblog/performance-comparisons-of-common-...

And that's from 2008. Clang's improved it a lot.

Groxx on Nov 8, 2011 [–]

Actually, that's on an iPhone. Here's the article for OSX from the start of 2008 (two months before your link), where the cached message call comes out faster than the virtual calls, and the non-cached is ~ 4.5x slower instead of ~ 2x on the iPhone:

http://mikeash.com/pyblog/performance-comparisons-of-common-...

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