help5507

It's UWAweek 47

help5507

This forum is provided to promote discussion amongst students enrolled in CITS5507 High Performance Computing.

Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!" followup message.

How do I ask a good question?

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UWA week 35 (2nd semester, week 6) ↓

about lab 3 (all 6)

5:44pm Mon 26th Aug, Abdul M.

ANONYMOUS wrote I just checked your code and confirmed that I have the same result. Yes, this behavior is pretty standard. When using more threads, we must consider the cost of thread creation and deletion, data distribution, memory access, etc. Using...

UWA week 34 (2nd semester, week 5) ↓

about lab 3 (all 6)

1:41pm Wed 21st Aug, Abdul M.

Hi, can you give me more details about your implementation? It would be better if you could attach your code. I suspect if you are using the reduction and the number of threads is quite large, it can cause time overhead in the reduction steps.

omp_get_max_threads() return 1 👍x1 (all 3)

1:36pm Wed 21st Aug, Abdul M.

Hi, I assume you are running in Setonix using the batch script. The batch script example shows that you request one server (--node 1) and 28 tasks (--ntasks 28). The ntasks option means you are asking for 28 independent processes with the default numb...

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