Recent questions tagged parallel

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parallel processing - Run a script that uses multiple MATLAB sessions

How to call a function with simple inputs in several MATLAB sessions automatically? The manual way to do it ... bothering the other sessions. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parallel processing - Julia: How to copy data to another processor in Julia

How do you move data from one processor to another in julia? Say I have an array a = [1:10] Or ... those processors as the same variable name? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parallel processing - MPI: blocking vs non-blocking

I am having trouble understanding the concept of blocking communication and non-blocking communication in MPI. ... advantages and disadvantages? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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parallel processing - OpenMP program is slower than sequential one

When I try the following code double start = omp_get_wtime(); long i; #pragma omp parallel for for (i = ... version that's faster that the sequential one? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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691 views

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parallel processing - Optimal number of threads per core

Let's say I have a 4-core CPU, and I want to run some process in the minimum amount of time. The process ... I run it using 4000 threads rather than 4 threads? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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780 views

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parallel processing - multiprocessing.dummy in Python is not utilising 100% cpu

I am doing a machine learning project in Python, so I have to do parallel predict function, which ... problems with multiprocessing module in pickling function. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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703 views

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parallel processing - sending blocks of 2D array in C using MPI

How do you send blocks of 2-D array to different processors? Suppose the 2D array size is 400x400 an I want to ... final result. I am using MPI in C programs. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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649 views

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parallel processing - How do I parallelize a simple Python loop?

This is probably a trivial question, but how do I parallelize the following loop in python? # setup output lists ... s the easiest way to parallelize this code? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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641 views

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parallel processing - Distributed calculus in julia with python imported code: UndefVarError: __anon__ not defined

I have this code (file name is test.jl) which is a simplified version of a more complex code: ... /distributed-calculus-in-julia-with-python-imported-code-undefvarerror-anon...