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I am getting a performance improvement on switching to VS2013.

7x7 convolution on 14kx7k image which was taking 2300ms is now taking 690ms in VS2013.

Though it is good, I want to understand the reason for this.

On searching the web I found out VS2010 optimizer only targets SSE2. Any other reasons for this optimization?

kid.abr
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    Visual Studio 20012 added auto-vectorization by default. I saw a big boost in many of of applications going from 2010 to 2012. However, I saw little benefit going from 2012 to 2013. – Z boson Sep 11 '14 at 07:00
  • Since IPP is pre-compiled, it does not make sense. Did you call IppInit()? Are you using same version of IPP? Can you add your code? – Rotem Jun 24 '16 at 20:55

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