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23%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
Home »  HPC  »  Articles  » 
Recent trends in computing are toward more cores doing more tasks at once. These days, you are likely to have a dual- or quad-core CPU in your laptop, and perhaps 4, 6, 12, or 16 cores in your
23%
Get Started with Parallel CPython
07.11.2011
Home »  HPC  »  Articles  » 
to the created subprocesses in a few different ways. To see these concepts in action, run the code shown in Listing 4 (miscellaneous.py ). Listing 4: miscellaneous.py 01 #! /usr/bin/env python2.7 02  03 import
23%
Virtualization with KVM
29.06.2011
Home »  CloudAge  »  Articles  » 
 
and 64-bit system,but not the other way round. Using a 64-bit kernel as your basis also has the advantage that you can use more than 4GB RAM. Thus, you can run several more virtual machines or assign more
23%
Greylisting with Postgrey
22.06.2012
Home »  Articles  » 
 
: Qmail Delivery Retry Events Delivery Attempt Seconds D-HH:MM:SS 1 0 0-00:00:00 2 400 0-00:06:40 3 1600 0-00:26:40 4
23%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
. The speed-up increases from 1.00 with one process to 4.71 using 64 processes. Of course, the wall clock time for the serial portion of the application does not change; it stays at 200 seconds regardless
23%
OpenMP – Parallelizing Loops
03.04.2019
Home »  HPC  »  Articles  » 
that executed on the GPUs and produced massive speedups for many applications. Starting with OpenMP 4.0, the OpenMP standard added directives that targeted GPUs and has expanded on this capability
23%
Scalable mail storage with Dovecot and Amazon S3
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Vlad Kochelaevskiy, Fotolia.com
. The existing cloud computing solutions have brought a whole wave of different stores into the limelight. Red Hat acquired Ceph [1]-[3] and introduced its own Storage Server [4] as a solution for storing objects
23%
Automatic build and deploy with OpenShift and GitLab CI
04.10.2018
Home »  Archive  »  2018  »  Issue 47: Findi...  » 
Photo by Jantine Doornbos on Unsplash
, the Internet of Things, software quality, and IT systems trust and security. What better way to present OpenShift and illustrate the CI/CD workflow than to present several slides, written with the reveal.js [4
23%
11 Tricks for Windows servers
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kati Molin, Fotolia
3: The weightings of the LDAP requests are shown in the DNS properties. 4. Blocking DNS Queries In Windows Server 2016 and 2019, DNS policies can be defined to block queries from clients
23%
Fixing Ceph performance problems
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Kritiya Sumpun, 123RF.com
storage by splitting up these files and putting them back together again later. When the user uploads a file to RADOS, the client breaks it down into several 4MB objects before uploading, which RADOS

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