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Sunnyztj/gist:995cc5588f6425257f78d89e2edd595e

Created June 16, 2017 04:49
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计算 函数运行需要的时间
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gistfile1.txt
CFAbsoluteTime startTime =CFAbsoluteTimeGetCurrent();
.... Code ......
CFAbsoluteTime linkTime = (CFAbsoluteTimeGetCurrent() - startTime);
NSLog(@"Linked in %f ms", linkTime *1000.0);
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