[swift-evolution] Pitch: Cross-module inlining and specialization
kelvin13ma at gmail.com
Thu Oct 5 01:04:12 CDT 2017
> On Oct 5, 2017, at 12:52 AM, Slava Pestov <spestov at apple.com> wrote:
>> On Oct 4, 2017, at 9:40 PM, Taylor Swift via swift-evolution <swift-evolution at swift.org> wrote:
>> i’m just tryna follow along here && this is probably a dumb question, but is it possible for a generic function to be emitted as a set of specialized functions into the client, but not inlined everywhere? It can be the case where a large generic function gets slowed down by the large number of generic operations inside it but it doesn’t make sense for it to be inlined completely.
> This is already possible. The optimizer doesn’t have to inline an @_inlineable function at its call site; it can emit a call to a specialized version instead.
Is there a reason using @_specialize() and @_inlineable together is slower than using @_inlineable by itself?
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