What are the key performance metrics for OpenMP?
The key performance metrics for OpenMP include speedup, efficiency, scalability, and overhead.
How do I measure speedup in my OpenMP application?
Speedup is measured by comparing the execution time of a parallel version to the serial version. It's calculated as: Speedup = T_serial / T_parallel.
What does efficiency mean in the context of OpenMP?
Efficiency in OpenMP refers to how effectively the available resources are utilized. It's calculated as: Efficiency = Speedup / Number of threads.
Can you explain scalability in OpenMP?
Scalability indicates how well an application can take advantage of increased resources. It can be measured by observing performance improvements as more threads are added.
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