Ask.Cyberinfrastructure

Q&A


Cgroups with MPI process affinity (2)
What are the relative benefits of a stateful vs. stateless cluster configuration? (4)
What is a "Burst Buffer"? (2)
How do I use DMTCP to create a checkpoint and restart my program? (1)
Starting a virtual machine image without knowing the user name or password (3)
What kind of hardware works best for the Amber Molecular Dynamics Package? (4)
In a PBS Pro select statement, what's the difference between procs and mpiprocs? (2)
How can I see the names of the nodes my multi-node MPI job is using on our SGE cluster? (3)
How do I request a node with a specific resource (like gpu) in Slurm? (2)
How do I run Apache Spark in an HPC environment? (2)
How can I determine how much memory I need before submitting my GAMESS calculation? (2)
InCommon Federation for HPC Clusters (3)
Why is casting a double to an integer so slow? (5)
How do I get the list of features and resources of each node in Slurm? (3)
How do I check that all mount points are in place, and mark a node out of service if a mount point is missing before a job is scheduled in Slurm? (3)
Why was Rocks software named "Rocks"? (3)
What are some ways to organize the modules created to manage multiple versions and combinations of compilers, tools, drivers and libraries on a shared cluster? (3)
How many MPI ranks should I request for a GAMESS calculation? (2)
How can I restart my GAMESS calculation and resubmit? (2)
"slurmstepd: error: Exceeded step memory limit at some point" (3)
How I can improve the performance of my job that needs to perform many I/O operations with a very large text file (2)
How can I mount a Common Internet File System (CIFS) on a Linux server with group write permissions? (2)
Build of Abinit v8 with netCDF (2)
How do I convert my openmpi PBS job script to a SLURM script? (3)
Can the ArcGIS application run in an HPC cluster environment? (1)
Transferring multiple TB-sized files between my local cluster and AWS S3 storage (2)
I am exploring a parameter space, and need to launch several hundred variants of the same small job. What can I do to ensure the shortest completion time? (2)
How do I run paraview or openfoam on an HPC resource? (2)
Is there a way to reduce the amount of disk files GAMESS uses, or even run the calculations entirely in RAM? (2)
SLURM: If my job fails, how can I ensure that temporary data are cleaned up? (2)