[swift-dev] copy-on-write proposal
abeingessner at apple.com
Wed Oct 12 13:19:59 CDT 2016
I’m having trouble figuring something out: is all of this contingent on all of the relevant operations being completely inlined into a single function at the SIL level? Could failing to inline a standard library function lead to performance cliffs? I understand this is generally true of inlining and dead-code elimination; but I’m wondering how this affects the abstractions we expose. Can we know that some things will “always” work, even if parts aren’t inlined?
> On Oct 11, 2016, at 7:48 PM, Erik Eckstein via swift-dev <swift-dev at swift.org> wrote:
> This is a proposal for representing copy-on-write buffers in SIL. Actually it’s still a draft for a proposal. It also heavily depends on how we move forward with SIL ownership.
> If you have any comments, please let me know.
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