UIGraphicsEndImageContext() takes too much execution time?

UIGraphicsEndImageContext() takes too much execution time?

References

Reference NO 1

http://stackoverflow.com/questions/15206505/uigraphicsendimagecontext-takes-too-much-execution-time

Reference NO 2

http://stackoverflow.com/questions/10578923/ios-app-submission-taking-too-much-time

Reference NO 3

http://stackoverflow.com/questions/7028700/iphone-ios-php-script-taking-too-much-time-to-execute

Reference NO 4

http://stackoverflow.com/questions/16455364/google-polylines-taking-too-much-time-to-get-rendered

Reference NO 5

http://ajourneywithios.blogspot.com/2012/03/resizing-uiimage-in-ios.html

Reference NO 6

http://www.objc.io/issue-2/common-background-practices.html

Reference NO 7

#EANF#

Reference NO 8

#EANF#