hpc

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UPC in HPC - experience and suggestions [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari[详细]

2023-03-16 05:43 分类：问答
OpenCL code runs faster on MBP than on NVIDIA GTX 480

I\'m I have come across a strange problem. I\'m implementing some linear algebra, only matrix multiplications so far, in OpenCL, and have been testing this on my laptop. The code is really simple:[详细]

2023-03-08 02:51 分类：问答
Auto discovery of HPC Headnodes/Brokernodes

I would like to make a drop down on a UI component for my users to select the Headnode/Brokernode that they want to submit their job to. I would like to populate this dropdown with the heads/brokers o[详细]

2023-03-07 14:38 分类：问答
Halo exchange not working properly in MPI

I\'m writing some code which does calculations on a large 3D grid, and uses a halo exchange procedure so that it can work using MPI. I\'m getting the wrong results from my code, and I\'m pretty sure i[详细]

2023-03-05 20:17 分类：问答
Collapse clause being ignored in #pragma omp for

I have the following C code using OpenMP: #pragma omp parallel default(none) private(i, j, k) shared(lb0, ub0, lb1, ub1, lb2, ub2, g, current, update, diff, dg)[详细]

2023-03-03 07:09 分类：问答
Windows HPC server and Azure

I read that one can use Windows HPC server with Azure. It says one can run the HPC server on head node on premises and use the comp开发者_如何学运维ute nodes on the cloud.[详细]

2023-03-02 13:08 分类：问答
Reference needed: Hardware architecture and performance improvement [HPC/Parallel computing]

There are several ways/method to improve the performance of the HPC applications. One of the method is to fine tune the application based on the hardware architecture. This kind of fine tuning is most[详细]

2023-02-28 17:33 分类：问答
Is it possible to use OpenMP directives in multiple files in a program?

I\'ve got a C program which consists of multiple .c files and multiple .h files. I\'d like to have one #pragma omp parallel directive (so that all of the threads are on开发者_StackOverflow社区ly creat[详细]

2023-02-25 09:30 分类：问答
is MPI widely used today in HPC? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,or expertise, but this question will likely solicit debate, a[详细]

2023-02-25 01:38 分类：问答
Can you transpose array when sending using MPI_Type_create_subarray?

I\'m trying to transpose a matrix using MPI in C. Each process has a square submatrix, and I want to send that to the right process (the \'opposite\' one on the grid), transposing it as part of the co[详细]

2023-02-23 12:26 分类：问答