How does HMP react if the CPU peaks at 100%?
HMP runs as a kernel mode device driver using real-time priorities. At initialization, HMP will instantiate all the resources required to support the particular configuration for which it is licensed, and will periodically become active via an external high-resolution interrupt. Because of this technique, HMP receives priority in the use of CPU cycles and will not be affected by user mode application activity even if that activity is 100%. However, if applications that use R4 APIs run out of cycles due to overload, digital signal processing quality will degrade. But note that the same situation would occur if telephony boards were used instead of HMP software.
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