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12.02.2014
The OpenMPI project has released version 1.7.4 of the HPC-friendly OpenMPI framework. OpenMPI is an open source implementation of the Message Passing Interface (MPI). According to published reports ...
Latest release of the popular HPC-ready framework approaches full MPI 3 compliance.
... New OpenMPI Improves FORTRAN Support
9%
15.01.2014
(MPI), provisioning, and monitoring can also limit the data received and frequency at which it is gathered. As previously mentioned, oversubscribed networks are another source of bottlenecks, so you need
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10.09.2013
domains. Assuming that your application is scalable or that you might want to tackle larger data sets, what are the options to move beyond OpenMP? In a single word, MPI (okay, it is an acronym). MPI
10%
28.08.2013
with libgpg-error
1.7.
MPI library (optional but required for multinode MPI support). Tested with SGI Message-Passing Toolkit 1.25/1.26 but presumably any MPI library should work.
Because these tools
20%
17.07.2013
Hadoop version 2 expands Hadoop beyond MapReduce and opens the door to MPI applications operating on large parallel data stores.
... non-MapReduce algorithms has long been a goal of the Hadoop developers. Indeed, YARN now offers new processing frameworks, including MPI, as part of the Hadoop infrastructure.
Please note that existing ...
Hadoop version 2 expands Hadoop beyond MapReduce and opens the door to MPI applications operating on large parallel data stores.
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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
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05.06.2013
). The developers of Warewulf routinely use VMs on their laptops for development and testing, as do many developers, so it’s not an unusual choice.
Once the cluster is configured, you can also run your MPI
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08.05.2013
and many nodes, so why not use these cores to copy data? There is a project to do just this: dcp
is a simple code that uses MPI and a library called libcircle
to copy a file. This sounds exactly like what
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23.04.2013
on a separate computer. The results can be combined when the job is finished because the map step has no dependencies. The popular mpiBLAST tool takes the same approach by breaking the human genome file
9%
05.04.2013
is counterproductive. You are paying more and getting less. However, new workloads are being added to HPC all of the time that might be very different from the classic MPI applications in HPC and have different