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View Code? Open in Web Editor NEWCPDS Labs for Parallelism and Distributed Systems - MIRI 2022-2023 1st Semester
CPDS Labs for Parallelism and Distributed Systems - MIRI 2022-2023 1st Semester
Report: Good work. However, even when we "do not expect you to fully optimize the codes and get high performance (mainly for MPI)", it'd be good that you evaluate and report the speedup (or slowdown) observed for each code.
Part 2:- Copy of uhelp into u perfectly optimized. Thumbs up.- Sticking to NB equal to 8 for Jacobi is not good for certain values of the number of threads. You could use omp_get_max_threads() as you did for Gauss-Seidel. Also, you could try collapsing the two outer loops.
Part 3:- in relax_gauss, in general processes need to receive the corresponding part of the last row computed in the previous block (above) before performing the computation on the current block. Such communication is missing. Are 4 loops needed now?
Part 4:- Well done!
gracias un saludo
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