ios - Setting up of View frame is taking more time -

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i have uiviewcontroller view frame setting up. taking .6sec set up. please tell me how should that, takes less time.

here code snippet

    hispanel=[[hisimageviewcontroller alloc] initwithnibname:@"hisimageviewcontroller" bundle:nil];     cgrect frame=_deviceview.bounds;     frame.origin.x=1;     frame.origin.y=1;     frame.size.height-=2;     frame.size.width-=2;     nsdate *methodstart = [nsdate date];     hispanel.view.frame = frame;     nsdate *methodfinish = [nsdate date];     nstimeinterval executiontime = [methodfinish timeintervalsincedate:methodstart];     execution time = 0.6 sec


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