Intel® MPI Library
Get help with building, analyzing, optimizing, and scaling high-performance computing (HPC) applications.
2235 Discussions

Count the number of real phyiscal machine by MPI

志强_赵_
Beginner
‎12-06-2015 12:51 AM
873 Views

Does have any API to get the number of real phyiscal machine like mpi_comm_size?

0 Kudos

Link Copied

1 Reply
Artem_R_Intel1
Employee
‎12-06-2015 11:06 PM
873 Views

Hi,

As far as I know the only possibility is to use MPI_Get_processor_name() - for example gather and count unique values.

0 Kudos
Copy link
Reply

Community support is provided Monday to Friday. Other contact methods are available here.

Intel does not verify all solutions, including but not limited to any file transfers that may appear in this community. Accordingly, Intel disclaims all express and implied warranties, including without limitation, the implied warranties of merchantability, fitness for a particular purpose, and non-infringement, as well as any warranty arising from course of performance, course of dealing, or usage in trade.

For more complete information about compiler optimizations, see our Optimization Notice.