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Do we need to zeroise allocated array ?
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DanRRight



Joined: 10 Mar 2008
Posts: 2923
Location: South Pole, Antarctica
PostPosted: Mon Oct 07, 2019 5:59 pm    Post subject: Reply with quote
Interesting how Intel sets allocatable arrays. They keep their compiler as fast as possible to show to the public advantages of their processors in performance. Despite zeroising arrays is more convenient there could be cases when not the whole array is needed and in this case zeroising entire array will bring some performance penalty.
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