What is the maximum number of threads we can run in NSOperationQueue simultaneously

Question

It is always being asked in interview how many maximum threads we can run in ios iphone programming simultaneously in NSOperationQueue and through GCD async?

Please explain the answer.

Have you at least done a search first? – user523234 Aug 15 '15 at 09:21 — user523234, Aug 15 '15 at 09:21

score 0 · Answer 1 · answered Aug 15 '15 at 09:10

You should be using NSOperationQueueDefaultMaxConcurrentOperationCount when you create your operations to let the OS decide the maximum number of operations - it will decide this based on the hardware available and system resources. The number will of course vary depending on device.

What is the maximum number of threads we can run in NSOperationQueue simultaneously

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