Re: Is Swift really swift?
Re: Is Swift really swift?
- Subject: Re: Is Swift really swift?
- From: Chris Lattner <email@hidden>
- Date: Wed, 09 Jul 2014 09:15:10 -0700
On Jul 8, 2014, at 10:24 PM, Quincey Morris <email@hidden> wrote:
On Jul 8, 2014, at 7:09 PM, Gerriet M. Denkmann < email@hidden> wrote: Lesson learned: Swift inter-operates with Obj-C at quite a hight cost.
I think what you’re seeing is that …
I’d also re-emphasize what Scott Ribe already said. We’re *not* seeing the swiftness of Swift itself, or lack of it. We’re seeing the performance of a particular snapshot of Swift in a pre-release state. *No* lessons can be learned now. For all we know, there is massive compiler debugging code turned on in the Swift/Obj-C interface specifically. Or, for all we know, there is a performance problem that’s going to be fixed for the release, but it’s not the highest priority right now.
There isn’t the slightest reason to believe that current performance tells us anything useful about the eventual release version.
Indeed - there are several pieces of the puzzle that have yet to land, which will help performance in these and other areas. Performance of generated code in the betas is an interesting curiosity, but you shouldn't read too much into it.
-Chris
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