Can we come up with a suitable set of tests to replicate and verify this, like a bunch of dispatch_async calls to increment an NSInteger and then to decrement the NSInteger that repeats while true?
Sent from my iPhone > On May 6, 2016, at 5:34 PM, Quincey Morris > <quinceymor...@rivergatesoftware.com> wrote: > > ** There is, however, a small cloud hovering over GCD. This has been reported > in the developer forums independently by different developers. Apparently, a > GCD queue (under what circumstances isn’t clear) can use additional memory > for each block that’s ever queued. That is, if a queue has historically run > and disposed of N blocks, it will keep N * X bytes of memory around, even > though its queue might currently be empty. The value of X is very small, so > you have to go through tens of thousands of blocks before you’d even notice. > It’s not clear if this is a memory leak, or a cache that would eventually > stop increasing in size and/or be reclaimed. _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
