This is unexpected result behavior.
we will check it on our side and will back asap.
Hi Jaewon,I've reproduced the issue.It will be fixed in the next MKL 10.2 Update. This concerns MKL 10.3.b too, and will be fixed in MKL 10.3.0 as well.Michael.
Could you please check if the probelm is still exists with latest MKL 10.2 Update 6 version released yesterday.
For more complete information about compiler optimizations, see our Optimization Notice.