matmult | CUDA 5 and Rcpp style gpu computing demo in R | GPU library
kandi X-RAY | matmult Summary
kandi X-RAY | matmult Summary
CUDA 5 and Rcpp style gpu computing demo in R
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QUESTION
I am working with the R programming language.
I have the following data:
1) Mean Vector (4 rows , 1 column)
4 variables (x1, x2, x3, x4)
...ANSWER
Answered 2021-Oct-21 at 07:04As I mentioned above, dmvnorm
function returns the value of the function you show.
QUESTION
Looking at the resource monitor during the execution of my script I noticed that all the cores of my PC were working, even if I did not implement any form of multiprocessing. Trying to pinpoint the cause, I discovered that the code is parallelized when using numpy
's matmult
(or, as in the example below, the binary operator @
).
ANSWER
Answered 2020-Jan-28 at 13:08You can try using threadpoolctl
. See the README for details. Before using, I recommend to have a look at the "known limitations" section, though.
Citation from that README
Python helpers to limit the number of threads used in the threadpool-backed of common native libraries used for scientific computing and data science (e.g. BLAS and OpenMP).
Fine control of the underlying thread-pool size can be useful in workloads that involve nested parallelism so as to mitigate oversubscription issues.
Code snippet from that README
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