-Original Message-
From: Ivan Krylov
Sent: Tuesday, April 30, 2019 10:17 AM
To: Wang, Zhu
Cc: R-package-devel@r-project.org
Subject: Re: [R-pkg-devel] parallel computing slower than sequential computing
On Mon, 29 Apr 2019 23:44:42 +
"Wang, Zhu" wrote:
> sessionInfo(
On Mon, 29 Apr 2019 23:44:42 +
"Wang, Zhu" wrote:
> sessionInfo()
> R version 3.5.2 (2018-12-20)
> Platform: x86_64-pc-linux-gnu (64-bit)
> Running under: Ubuntu 18.04.2 LTS
Which BLAS implementation do you use? One popular implementation,
OpenBLAS, spawns multiple threads to do some opera
Hello,
I have a package where parallel computing is slower than sequential computing
with cross-validation. For instance, please see the following reproducible
example with 10 cores and the relevant lines in the corresponding R function.
The R package is also attached. I thought parallel comput
