2014/10/15 下午 10:12:57

iphone Programming Glossary: profiler

http://stackoverflow.com/questions/11486828/table-view-scrolling-async

scrolling even on older devices. If you want me to post code I'm happy to. If you're still having troubles the CPU profiler is pretty great for identifying the bottlenecks and letting you know where you should focus your attention. There are some..

Memory leak tool tells me zero leaks but memory footprint keeps rising

http://stackoverflow.com/questions/2339279/memory-leak-tool-tells-me-zero-leaks-but-memory-footprint-keeps-rising

footprint keeps rising I'm running through some memory profiling for my application in SDK 3.2 and I used the 'Leak' profiler to find all my memory leaks and I plugged all of them up. This is a scrollView navigationController application where there.. goes to a new view of tiles and so on I can go many levels deep and come all the way back to the top and the 'Leak' profiler says everything is cool. However if I watch the memory footprint in the 'ObjectAlloc' profiler the memory footprint goes.. the top and the 'Leak' profiler says everything is cool. However if I watch the memory footprint in the 'ObjectAlloc' profiler the memory footprint goes up and up as I go deeper which seems reasonable but as I back out of the views the memory footprint..

CGContextDrawImage very slow on iPhone 4

http://stackoverflow.com/questions/3915490/cgcontextdrawimage-very-slow-on-iphone-4

That's work well on iPhone 3GS 17FPS. But on iPhone 4 calling subj method is very slow and total FPS is 1.5 profiler says that on 3GS invokes CGSBlendBGRA8888toRGBA8888 which takes 23 of total time. on 4G same code invokes argb32_sample_RGBA32..

Optimization of a GC language, any ideas?

http://stackoverflow.com/questions/6597847/optimization-of-a-gc-language-any-ideas

question First of all love your game on Windows Phone 7 Secondly I don't see anything out of the ordinary in your profiler output. I did a quick and dirty performance analysis of the Farseer engine once running in .net and came up with similar..

crash - where to start?

http://stackoverflow.com/questions/7883721/crash-where-to-start

Is it faster to create UITableViewCell programmatically or load one from a nib?

http://stackoverflow.com/questions/8484708/is-it-faster-to-create-uitableviewcell-programmatically-or-load-one-from-a-nib

it faster to create UITableViewCell programmatically or load one from a nib Time profiler shows the most time consuming operation in my app is loading UITableViewCells from nib files. The most expensive of which..

UITableViewCell's contentView's width with a given accessory type

http://stackoverflow.com/questions/902096/uitableviewcells-contentviews-width-with-a-given-accessory-type

Cost of message dispatch in Objective-C

http://stackoverflow.com/questions/907843/cost-of-message-dispatch-in-objective-c