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Beginner
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FFTs and external threading

I am using Windows threading to compute multiple FFTs simultaneously. I have been sharing the FFTSpec across the threads. I am wondering if this could cause a problem or impede performance? Should each thread maintain its own FFTSpec(s)?

I currently have the built-in threading disabled. I get better performance this way, since there is less competition for the processing cores. The platform is WinXP64, 2xQuad 2.6GHz, with IPP 5.3.2.073, em64t.

Dave
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Hi Dave,

You can share FFTSpec between threads while FFT order is the same.

Regards,
Vladimir

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