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Linux Systems Vulnerable to Attack
20.02.2020
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A number of laptops have been discovered to be vulnerable to attack. The security research group Eclypsium has discovered that hardware made by Dell, HP, and Lenovo can contain unsigned firmware
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Top Three HPC Roadblocks
12.01.2012
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. Even a quad-core desktop or laptop can present a formidable parallel programming challenge. In its long history, parallel programming tools and languages seem to be troubled by a lack of progress. Just
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Getting the most from your cores
11.10.2016
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Lead Image © ktsdesign, 123RF.com
and the Class B "size" standard test (a four times size increase going from one class to the next) was used on a laptop with 8GB of memory using two cores (OMP_NUM_THREADS=2). Initial tests showed
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Determining CPU Utilization
25.02.2016
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one class to the next) was used on a laptop with 8GB of memory using two cores (OMP_NUM_THREADS=2 ). Initial tests showed that the application finished in a bit less than 60 seconds. With an interval
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Interview with Gregory Kurtzer, Developer of Singularity
21.04.2016
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. At present, several dependency solvers have been developed, but Singularity already knows how to deal with linked libraries, script interpreters, Perl, Python, R, and OpenMPI. An example of this can be seen
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Interview with the developer of Singularity
15.08.2016
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Lead Image © wu ruiyun, 123RF.com
, and OpenMPI. An example of this can be seen if you want to create a container to execute a Python script. The SPEC file could literally be one line long (e.g., /.py), and Singularity
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Why Good Applications Don’t Scale
13.10.2020
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of programming. As an example, assume an application is using the Message Passing Interface (MPI) library to parallelize code. The first process in an MPI application is the rank 0 process , which handles any I
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Parallel Programming with OpenMP
21.11.2012
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, it’s very easy to get laptops with at least two, if not four, cores. Desktops can easily have eight cores with lots of memory. You can also get x86 servers with 64 cores that access all of the memory
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Planning Performance Without Running Binaries
02.02.2021
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Lead Image © Lucy Baldwin, 123RF.com
styles. Carlos Morrison published a message passing interface (MPI) [1] pi implementation [2] in his book Build Supercomputers with Raspberry Pi 3 [3]. Speed Limit Can you make the code twice as fast
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Using rsync for Backups
07.01.2014
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:/home/laytonjb/TEST/ laytonjb@192.168.1.250's password: sending incremental file list ./ HPCTutorial.pdf Open-MPI-SC13-BOF.pdf PrintnFly_Denver_SC13.pdf easybuild_Python-BoF-SC12-lightning-talk.pdf sent

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