parallel-processing

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Hiding communication in Matrix Vector Product with MPI

I have to solve a huge linear equation for multiple right sides (Let\'s say 20 to 200). The Matrix is stored in开发者_如何学C a sparse format and distributed over multiple MPI nodes (Let\'s say 16 to[详细]

2023-04-10 16:15 分类：问答
MATLAB parallel computing setup

I have a quad core computer; and I use the parallel computing toolbox. I set different number for the \"worker\" number in the parallel computing setting, for example 2,4,8..............[详细]

2023-04-10 15:38 分类：问答
how many kernels running parallel in Mathematica?

Wolfram site states that typically only 4 cores are used with its Parallel feature. If you want more than 4 you need to contact them and pay up.[详细]

2023-04-10 15:37 分类：问答
Simulating computer cluster on simple desktop to test parallel algorithms

I want to try and learn MPI a开发者_JAVA技巧s well as parallel programming. Can a sandbox be created on my desktop PC?[详细]

2023-04-10 15:03 分类：问答
Fill DataGridView with a large amount of data from an asynchronous source

I\'m writing an application that reads from a bunch of feeds served by a webserver and, after processing the response, dumps the results into a DataGridView. There are a few hundred sources, each of w[详细]

2023-04-10 11:55 分类：问答
Android: explicit parallel code execution on multicore devices?

Is it possible to make use of Android multicore CPU? I\'m thinking about something like C# Parallel.ForEach() (example here) but if there is another approach to this, I\'d also like to learn it.[详细]

2023-04-10 05:06 分类：问答
How can you initialize workers with doSMP?

Is there a way to initialize a doSMP cluster similar to clusterEvalQ and clusterExport in the snow package?For example:[详细]

2023-04-10 04:24 分类：问答
How to use C# 4.0 tasks feature with these properties - assigning variables on run time - keep certain number of tasks alive

Alright i have been searching for days but there is no example of what i am trying to achieve. Currently i am able to use tasks for multi-threaded crawling but it is very bad written. You can see the[详细]

2023-04-09 18:42 分类：问答
Minimum item processing time for using Parallel.Foreach

Suppose I have a list of items that are currently processed in a normal foreach loop. Assume the开发者_Python百科 number of items is significantly larger than the number of cores. How much time should[详细]

2023-04-09 17:09 分类：问答
Parallelization of a quadratic algorithm

Let\'s say I have a vector (array, list, whatever...) V of N elements, let\'s say V0 to V(N-1). For each element Vi, a function f(Vi,Vj) needs to be computed for every index j (including the case i=j)[详细]

2023-04-09 11:41 分类：问答