I am trying to use gcc vector extensions to speed up some of the operations I am doing in my code. I am trying to use vector operations to generate xor difference between memory regions. I am attaching what I have come up as vec_diff.c. I am noticing there not much difference between timing of normal operation when compared to using vector extensions. My belief is that I am doing something wrong, any help on this is appreciated. I am not subscribed to this list so would appreciate if I am copied in the reply. Regards, Bharath
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