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in-place not-in-place performances

Ciro_R_
Beginner
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Generally speaking, are differences in performance between in-place and not-in-place versions of the same operation?
If the two buffers are already allocated, should I prefer not-in-place operations?
Thank you

Ciro
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Vladimir_Dudnik
Employee
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Hi,

Many factors can affect performance. Usually, it is more preferable tohave in-place operations, because of less amount of memory used/accessed, so better cache utilization.

Regards,
Vladimir

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