[R] parallel number of cores according to memory?

[Jeff Newmiller]

The list does strip html, but the quality of what remains varies greatly.

Are you using tidyverse functions in your workers? Sounds to me like you are doing something in the workers that is triggering making copies of the input data frame.

On July 7, 2020 10:15:15 PM PDT, ivo welch <ivowel using gmail.com> wrote:
>ugghhh---apologies.  although in 2020, it would be nice if the mailing
>list had an automatic html filter (or even bouncer!)
>
>I am using macos.  alas, my experiments suggest that `mclapply()` on a
>32-core intel system with 64GB of RAM, where the input data frame is
>8GB and the output is about 500MB per core (to be stitched together
>into about 16GB), the system starts swapping like crazy, comes to a
>halt, and then usually crashes.
>
>/iaw

-- 
Sent from my phone. Please excuse my brevity.