This becomes an issues with MPI workers with synchronized parallelism. There are "14 core" laptops with two P-cores and 12 E-cores. I have seen project teams that configure their programs (say via enviornment variables) to only use the P-cores, but this can lead to a performance drop vs. their much older all P-core computer.
Created
August 27, 2025 16:34
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Discussion on parallelization (threads) using Performance cores vs. Efficiency cores
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