Sent from my iPhone
> On Aug 10, 2016, at 08:31, Jens Alfke via swift-users <swift-users@swift.org> > wrote: > > >> On Aug 9, 2016, at 1:10 PM, Rick Mann via swift-users >> <swift-users@swift.org> wrote: >> >> For the smaller devices, runtime library overhead is a concern (mostly due >> to code size). Is it possible to write swift code with no runtime library? I >> think this is possible in Rust (came up on another list). > > I have never seen the Swift source code, but I’d be surprised if Swift > binaries didn’t require at least the standard C runtime library. (It’s pretty > hard to get anything done without at least having malloc/free!) > > Don’t forget that the binary will have to include the implementations of the > standard Swift library classes, at least the ones used by your program. I’m > sure String in particular is a significant chunk of code, since it has to do > all kinds of Unicode stuff. (In fact it might have a dependency on ICU, which > is a pretty hefty C library.) > >> These devices usually have memory-mapped registers that are read and written >> to affect the operation of the device. Some can be quite small (e.g. 8-bit >> registers, simple single physical memory address space), and others quite >> robust (full 32- or 64-bit machines with MMUs, etc.). > > Arduinos are probably right out, since there’s no way anyone’s going to port > Swift to an 8-bit CPU! > > If you’re going for something bigger than that, why not just use a Raspberry > Pi or C.H.I.P. or one of the other tiny ARM PC boards? They all run Linux, > and I believe people are already working on porting Swift to run on those. Minor correction: Swift already builds and runs on the Raspberry Pi :) > C.H.I.P. costs $9, and I saw a blurb somewhere about a competitor that’s only > $5. > > —Jens > _______________________________________________ > swift-users mailing list > swift-users@swift.org > https://lists.swift.org/mailman/listinfo/swift-users
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