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Performance problem A5 processor

Question asked by Juergen Debold on Apr 22, 2014
Latest reply on Aug 4, 2014 by jiri-b36968

I am running an existing performance test code with the A5 processor of TWR-VF65GS10 development tower. To debug the program I use a DS-5 compiler, the processor is set to 480MHz. But the measured performance test time is too high, the previous used 120MHz processor runs the test code in 0,2s the A5 needs 2s.

Is there any possible processor setting, slowing down the A5 performance?

I run the program in debug mode with DS-5 tool over SDA interface, is it possible this slows down the A5 performance?