[4eyes] Optimization problem

[Yun Teng]

How about using cilk++ to parallelize it? Use a cilk_for loop instead of for loop, which requires minimum amount of change to your code.
http://software.intel.com/sites/products/documentation/hpc/composerxe/en-us/cpp/lin/cref_cls/common/cilk_for.htm

Cheers,
Yun

On Jun 19, 2012, at 7:58 PM, Cha Lee wrote:

> Hey folks,
> 
> I've got a code bottleneck that I could use some help on. For
> compatibly reasons, I need to copy an N*M image to a S*S image. The
> first image is a rectangular image but the second is a power of two
> image. What I'm doing now is going pixel by pixel on the second image,
> find the correct pixel coordinate on the first image, and copying over
> the color information. Basically pixel by pixel copy. This is
> obviously killing my performance.
> 
> Any suggestions?
> 
> 
> -- 
> Regards,
> 
> Cha Lee
> PhD Candidate
> University of California, Santa Barbara
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