On 20 May 2020 at 15:09, Mo Zhou wrote: | @Edd, does it look like a decent solution for the threading trouble of R-4.0.0? "Maybe". We still don't have a fully reproducible bug report as the openmp-pthread issue appears to be specific to the cpu used. Dirk -- http://dirk.eddelbuettel.com | @eddelbuettel | edd@debian.org