[Rd] Another issue using multi-processing linear algebra libraries

2024-08-08 Thread Mervin Milton Fansler Iv
> "There’s a downside not mentioned in the manual that caught and baffled me > for a while. I was using all 64 cores of an AWS instance via > parallel::mclapply() and doing matrix multiplications in the parallelized > function. If the matrices were big enough the linked BLAS or LAPACK would try

Re: [Rd] Another issue using multi-processing linear algebra libraries

2024-08-08 Thread Ivan Krylov via R-devel
В Wed, 7 Aug 2024 07:47:38 -0400 Dipterix Wang пишет: > I wonder if R initiates a system environment or options to instruct > the packages on the number of cores to use? A lot of thought and experience with various HPC systems went into availableCores(), a function from the zero-dependency 'para