search

Streamlyne / Cocoa-SDK

Streamlyne API for Cocoa Developers
https://github.com/Streamlyne/Cocoa-SDK
2 stars 1 forks source link

Run long functions in background thread #18

Closed Glavin001 closed 10 years ago

Glavin001 commented 10 years ago

See http://stackoverflow.com/a/16283719

Glavin001 commented 10 years ago

Wrap the calls to the SLSerializer in the SLStore for the following methods:

Glavin001 commented 10 years ago

Causes error:

2014-08-22 01:06:04.855 xctest[37710:622b] SLModel initWithId: 53a72ded2fb05c0788546193 inContext: <NSManagedObjectContext: 0x10022adb0>
2014-08-22 01:06:04.838 xctest[37710:303] *** Terminating app due to uncaught exception 'NSGenericException', reason: '*** Collection <__NSCFSet: 0x10022af70> was mutated while being enumerated.'
*** First throw call stack:
(
    0   CoreFoundation                      0x00007fff84b0e25c __exceptionPreprocess + 172
    1   libobjc.A.dylib                     0x00007fff8d81ae75 objc_exception_throw + 43
    2   CoreFoundation                      0x00007fff84b0db64 __NSFastEnumerationMutationHandler + 164
    3   CoreData                            0x00007fff892fc474 -[NSManagedObjectContext executeFetchRequest:error:] + 2644
    4   Streamlyne-Mac-SDK                  0x000000010074f7a2 __67+[NSManagedObject(MagicalRecord) MR_executeFetchRequest:inContext:]_block_invoke + 66
    5   CoreData                            0x00007fff89345cfe developerSubmittedBlockToNSManagedObjectContextPerform + 94
    6   libdispatch.dylib                   0x00007fff871b128d _dispatch_client_callout + 8
    7   libdispatch.dylib                   0x00007fff871b9b66 _dispatch_barrier_sync_f_slow_invoke + 46
    8   libdispatch.dylib                   0x00007fff871b128d _dispatch_client_callout + 8
    9   libdispatch.dylib                   0x00007fff871b8ef0 _dispatch_main_queue_callback_4CF + 333
    10  CoreFoundation                      0x00007fff84a754f9 __CFRUNLOOP_IS_SERVICING_THE_MAIN_DISPATCH_QUEUE__ + 9
    11  CoreFoundation                      0x00007fff84a30714 __CFRunLoopRun + 1636
    12  CoreFoundation                      0x00007fff84a2fe75 CFRunLoopRunSpecific + 309
    13  Foundation                          0x00007fff8c333adc -[NSRunLoop(NSRunLoop) runMode:beforeDate:] + 253
    14  Streamlyne-Mac-SDKTests             0x00000001000d9750 -[Streamlyne_iOS_SDKTests testFindAllAssets] + 689
    15  CoreFoundation                      0x00007fff849f99ac __invoking___ + 140
    16  CoreFoundation                      0x00007fff849f9814 -[NSInvocation invoke] + 308
    17  XCTest                              0x0000000100586a19 -[XCTestCase invokeTest] + 164
    18  XCTest                              0x0000000100586b08 -[XCTestCase performTest:] + 90
    19  XCTest                              0x00000001005878a0 -[XCTest run] + 65
    20  XCTest                              0x00000001005862b5 -[XCTestSuite performTest:] + 129
    21  XCTest                              0x00000001005878a0 -[XCTest run] + 65
    22  XCTest                              0x00000001005862b5 -[XCTestSuite performTest:] + 129
    23  XCTest                              0x00000001005878a0 -[XCTest run] + 65
    24  XCTest                              0x00000001005862b5 -[XCTestSuite performTest:] + 129
    25  XCTest                              0x00000001005878a0 -[XCTest run] + 65
    26  XCTest                              0x0000000100588fec +[XCTestProbe runTests:] + 138
    27  xctest                              0x000000010000112b xctest + 4395
    28  xctest                              0x0000000100001492 xctest + 5266
    29  xctest                              0x0000000100000e53 xctest + 3667
    30  libdyld.dylib                       0x00007fff87cbe5fd start + 1
)
libc++abi.dylib: terminating with uncaught exception of type NSException

Make sure that any [self push:...] like calls are on the main queue.

Glavin001 commented 10 years ago

Before the testFindAllAssets finished in 20, 19, and 25 seconds. With the above it finished in 16.223 seconds. Will need to do more testing :).

Glavin001 commented 10 years ago

The intention of this is not really to increase performance, but to offload heavy functions from the main queue thread, that blocks UI. Hopefully this helps the iOS app.