46%
08.10.2015
Jeff Layton ... , a solution has been sought that allows each TP to read/write data from anywhere in the file, hopefully, without stepping on each others' toes.
MPI-IO
Over time, MPI (Message Passing Interface) [2] became
46%
02.02.2021
Jeff Layton ... ://en.wikipedia.org/wiki/Message_Passing_Interface
MPI-IO: https://www.mcs.anl.gov/~thakur/dtype/
"Improved Performance with Parallel IO," by Jeff Layton, https://www.admin-magazine
45%
15.08.2016
Jeff Layton ... with Docker, which usually results in a cluster built on top of a cluster. This is exacerbated for certain usage modules or system architectures, especially with parallel Message Passing Interface (MPI) job
45%
15.08.2016
Jeff Layton ... Layton: Hi Greg. Tell me bit about yourself and your background.
Gregory M. Kurtzer: My work with Linux began back in the mid-90s, after I obtained my degree in biochemistry and focused early on genomics
44%
05.02.2019
Jeff Layton ... with applications, debug the applications, and improve performance. In addition to administering the system, then, they have to know good programming techniques and what tools to use.
MPI+X
The world is moving
44%
14.03.2013
Jeff Layton ... to trace InfiniBand and Lustre components. I have written about collectl in the past on the ADMIN HPC website [28], so I won't cover it here.
MPI Profiling and Tracing
For HPC, it's appropriate to discuss
44%
27.09.2021
Jeff Layton ... . The second part, darshan-util
, postprocesses the data.
Darshan gathers its data either by compile-time wrappers or dynamic library preloading. For message passing interface (MPI) applications, you can use
44%
28.11.2023
Jeff Layton ... to, perhaps, access better performing storage to improve performance.
Quite a few distributed applications, primarily the message passing interface (MPI) [4], only had one process – the rank 0 process
44%
16.05.2013
Jeff Layton ... code execution, you usually need some add-ons, such as Message Passing Interface (MPI) [5], and a code rewrite to allow multiple instances of the tool on different nodes that communicate over a network
44%
10.04.2015
Jeff Layton ... definitely stress the processor(s) and memory, especially the bandwidth. I would recommend running single-core tests and tests that use all of the cores (i.e., MPI or OpenMP).
A number of benchmarks
