Re: [Rd] Get Logical processor count correctly whether NUMA is enabled or disabled

2018-09-03 Thread Srinivasan, Arunkumar
Tomas, Luke, thank you very much once again for patching both issues swiftly. This’ll be incredibly valuable to us once we move to 3.6.0. From: Tomas Kalibera Sent: 03 September 2018 13:07 To: r-devel@r-project.org Cc: Srinivasan, Arunkumar Subject: Re: [Rd] Get Logical processor count

Re: [Rd] Get Logical processor count correctly whether NUMA is enabled or disabled

2018-08-29 Thread Srinivasan, Arunkumar
ke we are still not being able to use >64 processors all at the same time even if detectCores() returns the right count now. I'd appreciate your thoughts on this. Best, Arun. -Original Message- From: Tomas Kalibera Sent: 27 August 2018 19:43 To: Srinivasan, Arunkumar ; r-

Re: [Rd] Get Logical processor count correctly whether NUMA is enabled or disabled

2018-08-21 Thread Srinivasan, Arunkumar
processor group has come up - https://github.com/axboe/fio/issues/527 and is addressed - https://github.com/axboe/fio/blob/c479640d6208236744f0562b1e79535eec290e2b/os/os-windows-7.h . I am not sure though if this is entirely relevant since we would be forking new processes in R instead of allow

[Rd] Get Logical processor count correctly whether NUMA is enabled or disabled

2018-08-17 Thread Srinivasan, Arunkumar
Dear R-devel list, R's detectCores() function internally calls "ncpus" function to get the total number of logical processors. However, this doesnot seem to take NUMA into account on Windows machines. On a machine having 48 processors (24 cores) in total and windows server 2012 installed, if N