11%
16.07.2015
Programmers use a number of compilers, libraries, MPI libraries/tools, and other tools to write applications. For example, someone might code with OpenACC, targeting GPUs and Fortran, whereas another person
11%
08.12.2020
service (DVS)
Nonuniform memory access (NUMA) properties
Network topology
Message passing interface (MPI) communication statistics (currently you have to use Intel MPI or MVAPICH2)
Power
11%
26.01.2012
processes (such as an HPC application). One way to use this tool is to run it on all of the compute nodes that are running a particular application, perhaps as part of a job script. When the MPI job runs, you
11%
03.07.2013
to understand the MPI portion, and so on. At this point, Amdahl’s Law says that to get better performance, you need to focus on the serial portion of your application.
Whence Does Serial Come?
The parts
11%
21.04.2016
for certain usage modules or system architectures, especially with parallel MPI job execution.
Singularity for the Win!
Kurtzer, who works at Lawrence Berkeley National Laboratory (LBNL), is a long-time open
10%
12.09.2022
themselves (e.g., Message Passing Interface (MPI)).
Performing I/O in a logical and coherent manner from disparate processes is not easy. It’s even more difficult to perform I/O in parallel. I’ll begin
10%
26.01.2012
Number of Lseeks
/dev/shm/Intel_MPI_zomd8c
386
/dev/shm/Intel_MPI_zomd8c
386
/etc/ld.so.cache
386
/usr/lib64/libdat.so
386
/usr/lib64
10%
15.02.2012
Number of Lseeks
/dev/shm/Intel_MPI_zomd8c
386
/dev/shm/Intel_MPI_zomd8c
386
/etc/ld.so.cache
386
/usr/lib64/libdat.so
386
/usr/lib64
10%
24.09.2015
is not easy to accomplish; consequently, 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-I/O
Over time, MPI
10%
08.07.2024
gathered, but not in any specific order.
Q: What are your biggest challenges or pain points when using containers, or reasons that you don’t use them?
Better message passing interface (MPI
