All Questions
Tagged with doparallel rparallel
5
questions
0
votes
1
answer
67
views
Error in parallel calculation on R function
I am mastering parallel programming in R simple examples tried to implement the function given in the code, it loads the processor, but the results of calculations are not. Could you please tell me ...
0
votes
1
answer
95
views
R: Compare each element with all the other elements below in a list using foreach, parallel and doParallel
Aim:
I'm trying to compare each element in a list with all the other elements below it using Levenshtein distance from this package stringsim to find text that is similar.
Obstacle:
The problem is ...
2
votes
0
answers
229
views
Controlling the number of CPUs used by registerDoParallel
I have recently inherited a legacy R script that at some point trains a gradient boost model with a large regression matrix. This task is parallelised using the doParallel::registerDoParallel function....
-3
votes
1
answer
819
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Running parallel R on multiple hosts [closed]
Can you please provide a script to run parallel cluster on 2 hosts ( amazon ec2) from scratch on Ubuntu Linux Machine ?
Specifications
The hosts are connected from local machine via identity key ...
19
votes
3
answers
8k
views
doParallel, cluster vs cores
What is the difference between cluster and cores in registerDoParallel when using doParallel package?
Is my understanding correct that on single machine these are interchangeable and I will get same ...