What are the key performance metrics for parallelism?
The key performance metrics for parallelism include speedup, efficiency, scalability, and throughput.
Can you explain speedup in more detail?
Speedup measures how much faster a parallel algorithm runs compared to a sequential one. It's calculated as the ratio of the time taken to complete a task sequentially to the time taken in parallel.
What about efficiency? How is it calculated?
Efficiency is the ratio of the speedup to the number of processors used. It indicates how effectively the resources are utilized.
Are there any tools to measure these metrics?
Yes, tools like Intel VTune, NVIDIA Nsight, and various profiling tools can help measure these performance metrics.
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