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Performance is a subset of Optimization: performance is the goal when you want the execution time of your program or routine to be optimal.
3
votes
Increasing performance of OpenMP based advection equation solver for Xeon Phi
You should be more explicit about affinity, and plot the performance by number of cores with separate lines for 1t/c, 2t/c, 3t/c and 4t/c. … You will get extra performance from adding a whole core than from adding another HW thread on a core you're already using, so showing "2 threads" could have two different performance values (2cx1t or 1cx2t …