Re: [Rd] Rmpi, openMPI editions.

2017-07-05 Thread Paul Johnson
Here is what I've learned about OpenMPI and Rmpi during the past 2 weeks. Please tell me if you think I'm incorrect. I don't understand computer science enough to understand fully the dangers of forks and data corruption when OpenMPI uses infiniband. However, perhaps one of you can tell me. 1. Rm

[Rd] Rmpi, openMPI editions.

2017-06-19 Thread Paul Johnson
Greetings. I see a warning message while compiling OpenMPI and would appreciate it if you tell me what it means. This warning happens with any OpenMPI > 1.6.5. Even before starting a cluster, just "sessionInfo" triggers this warning. I'm pasting in the message from R-3.3.2 (this is MRO). Do th