May be it’s the same problem as in How to run tasks in parallel?? Your calculation is too simple and you have memory access slowdown?
Related topics
Topic | Replies | Views | Activity | |
---|---|---|---|---|
What's the problem with this simple multi-thread code? | 17 | 1146 | March 11, 2022 | |
ANN: LoopVectorization 0.12: multithreading and better handling of discontiguous memory accesses | 16 | 2169 | March 17, 2021 | |
How to achieve perfect scaling with Threads (Julia 1.7.1) | 33 | 2433 | January 13, 2023 | |
Bad performances when using Multithreading and Distributed with heavy LinearAlgebra calculations | 26 | 488 | July 25, 2024 | |
Poor performance while multithreading (Julia 1.0) | 28 | 3975 | February 11, 2019 |