[swift-evolution] What about garbage collection?

[Greg Parker]

> On Feb 9, 2016, at 2:21 PM, Goffredo Marocchi via swift-evolution <swift-evolution at swift.org> wrote:
> 
>> On 9 Feb 2016, at 18:18, Charles Srstka via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>> 
>>> On Feb 9, 2016, at 8:35 AM, Jean-Denis Muys via swift-evolution <swift-evolution at swift.org <mailto:swift-evolution at swift.org>> wrote:
>>> 
>>>> It’s a long since resolved dispute, and GC won. I don’t want Steve Jobs to reach out from the grave and drag us back to the 70s. There’s nothing special about mobile phones: they are more powerful than the computers that GC won on in the first place.
>> 
>> I’d disagree with that, for one rather important reason; the computers that GC won on had virtual memory. On mobile, when your RAM runs out, it’s out. So RAM constraints are somewhat more serious on mobile.
> 
> This will be then more fun when we have page file support as virtual memory is already there.


Unlikely with current hardware technology. NAND storage on mobile devices has limited lifetime based on the number of writes. Adding a swap file would burn through that lifetime awfully fast.


-- 
Greg Parker     gparker at apple.com <mailto:gparker at apple.com>     Runtime Wrangler


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