随笔分类 -  GCD

Dispatch Queues and Thread Safety
摘要：Dispatch Queues and Thread Safety It might seem odd to talk about thread safety in the context of dispatch queues, but thread safety is still a releva 阅读全文
posted @ 2018-06-12 18:00 zzfx 阅读(156) 评论(0) 推荐(0) 编辑
GCD与dispatch_group总结
摘要：GCD 可以看作是集合类的操作； 集合是queue，元素是block； 集合只能添加对象，删除对象由系统完成。 同理，NSOperationQueue也可以看作是一个集合管理器。 dispatch_group A dispatch group is a mechanism for monitorin 阅读全文
posted @ 2018-04-12 19:22 zzfx 阅读(178) 评论(0) 推荐(0) 编辑
gcd的queue与group
摘要：queue相当于事件处理机制里的事件池；只是任务池； 线程作为事件处理的实施者，由线程池从任务池中获取任务进行调度派发； group相当与工作组，按照任务的相关性对任务进行组织。 阅读全文
posted @ 2018-01-28 00:52 zzfx 阅读(182) 评论(0) 推荐(0) 编辑
Grand Central Dispatch-thread pool pattern
摘要：Grand Central Dispatch (GCD) is a technology developed by Apple Inc. to optimize application support for systems with multi-core processors and other  阅读全文
posted @ 2018-01-18 23:51 zzfx 阅读(202) 评论(0) 推荐(0) 编辑
Concurrency and Application Design
摘要：Concurrency and Application Design In the early days of computing, the maximum amount of work per unit of time that a computer could perform was deter 阅读全文
posted @ 2017-12-11 19:21 zzfx 阅读(137) 评论(0) 推荐(0) 编辑
Dispatch groups 与任务同步
摘要：https://developer.apple.com/library/content/documentation/General/Conceptual/ConcurrencyProgrammingGuide/OperationQueues/OperationQueues.html#//apple_ 阅读全文
posted @ 2017-04-19 17:22 zzfx 阅读(206) 评论(0) 推荐(0) 编辑

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