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2014/10/15 ¤U¤È 10:12:57
iphone Programming Glossary: profilingHow exactly can I use shark to profile my iPhone app? http://stackoverflow.com/questions/1326078/how-exactly-can-i-use-shark-to-profile-my-iphone-app exactly can I use shark to profile my iPhone app I want to use Shark on OS 10.5 to do some basic profiling of my iPhone game Open GL ES Objective C . How exactly can I do this I've read tutorials but they are too verbose for me.. the Shark menu select Sampling Network iPhone Profiling In the Shark window select the radio button Control network profiling of shared computers . Select your iPhone in the list and optionally configure the profiling session Press Start to begin.. button Control network profiling of shared computers . Select your iPhone in the list and optionally configure the profiling session Press Start to begin profiling and Stop to end After that viewing the profile results is pretty straightforward..
http://stackoverflow.com/questions/14659563/to-drawrect-or-not-to-drawrect-when-should-one-use-drawrect-core-graphics-vs-su it doesn't make sense to optimize that much ahead of time and do something the more difficult way before doing any profiling. Consider that I'm comfortable with both methods and now really want a deeper understanding. A lot of my confusion comes..
Missing symbol names when profiling IPhone application with Instruments http://stackoverflow.com/questions/2776466/missing-symbol-names-when-profiling-iphone-application-with-instruments symbol names when profiling IPhone application with Instruments I am compiling an IPhone application via command line so no XCode options involved.. IPhone application via command line so no XCode options involved and I am unable to get my symbol names to show when profiling with Instruments. I have tried several flags such as gdawrf 2 and g without any success. I have also tried using dsymutils.. i have no clue how I'm supposed to use it so that failed aswell. Any help will be greatly appreciated iphone xcode profiling instruments symbol share improve this question I was still having issues with this. My issue was I was able to see the..
Difference between [UIImage imageNamed…] and [UIImage imageWithData…]? http://stackoverflow.com/questions/316236/difference-between-uiimage-imagenamed-and-uiimage-imagewithdata I thought I'd ask the question here is there any practical difference and if so which one is 'better' I have tried profiling my app using the Object Allocation instrument and I can't see any practical difference though I have only tried in the simulator..
Understanding the memory consumption on iPhone http://stackoverflow.com/questions/363493/understanding-the-memory-consumption-on-iphone can really eat up your memory quickly. Second it is possible to debug texture memory with Instruments. There are two profiling configurations OpenGL ES Analyzer and OpenGL ES Driver . You will need to run these on the device as the simulator doesn't..
Xcode 4 failure to symbolicate Crash Log http://stackoverflow.com/questions/5458573/xcode-4-failure-to-symbolicate-crash-log
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener can be downloaded from here if you wish to try this out yourself. If you've read this far my question is based on this profiling information how can I improve the rendering performance of my custom depth shader on iOS devices iphone ios ipad opengl..
Programmatically retrieve memory usage on iPhone http://stackoverflow.com/questions/787160/programmatically-retrieve-memory-usage-on-iphone is using you can do something like the example below. However you really should become familiar with the various profiling tools as well as they are designed to give you a much better picture of usage over all. #import mach mach.h ... void report_memory..
What is a better way to create a game loop on the iPhone other than using NSTimer? http://stackoverflow.com/questions/96265/what-is-a-better-way-to-create-a-game-loop-on-the-iphone-other-than-using-nstime game on the iPhone. I am currently using NSTimer to trigger my game update render. The problem with this is that after profiling I appear to lose a lot of time between updates renders and this seems to be mostly to do with the time interval that I plug..
can Jailbroken iphone used for development http://stackoverflow.com/questions/995262/can-jailbroken-iphone-used-for-development share improve this question I personally do development testing on jailbroken devices I find that it is nice for profiling debugging with all the UNIX tools available as well as testing out code for checking for tampered plist files as well as..
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