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17%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
.conf file generated by configurator.html. 08 # 09 # See the slurm.conf man page for more information. 10 # 11 ClusterName=compute-cluster 12 ControlMachine=slurm-ctrl 13 # 14 SlurmUser=slurm 15 Slurmctld
17%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
fashion when promised double-digit speedups like 10x by a vendor who has yet to see your code. Accomplishing a 10x speedup requires that 90 percent of the execution time be parallelized. The span of your
17%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
. For PCs, networking had to match PC pricing. You could not have a $500 to $2,000 PC with a $10,000 networking interface. The specialized networks did not match the low-cost expectation. PCs had to wait
17%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
of the Python Pymongo interface. Listing 2 Installing Mongo DB and Py-Mongo 01 sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 7F0CEB10 02 echo 'deb http
17%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
pe:4 ua:0 ap:0 ep:1 wo:f oos:19215708 [>...................] sync'ed: 8.4% (18764/20476)M finish: 0:10:40 speed: 29,964 (16,712) want: 41,000 K/sec Listing 4 cat /proc
17%
Monitoring Memory Errors
17.09.2013
Home »  Articles  » 
 
of background radiation – primarily neutrons from cosmic rays. The same Wikipedia article reports that the error rates reported from 2007 to 2009 varied all over the map, ranging from 10–10 (errors/bit-hr) to 10
17%
Posteo, Mailbox.org, Tutanota, and ProtonMail compared
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Kirill Bodrov, 123RF.com
– extensions are possible, however. The relocation service worked quickly in both Mailbox.org and Posteo, handling around 10,000 email messages without any problems. Mailbox.org does not have its own apps
17%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
(512 MB) copied, 49.1424 s, 10.4 MB/s If you want to empty the read and write cache for benchmark purposes, you can do so using: sync; echo 3 > /proc/sys/vm/drop_caches Sequential access
17%
OpenSMTPD makes mail server configuration easy
08.10.2015
Home »  Archive  »  2015  »  Issue 29: Rescu...  » 
Lead Image © alphaspirit, 123RF.com
demand a new version of OpenSMTPD. Another factor is a configuration file that can be used to solve almost all mail server standard cases in fewer than 10 lines; even complex setups hardly need more
17%
Extending OpenNebula with hooks
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Greg Epperson, Photocase.com
nebulae. Stable version 4.0, published in May 2013, was named "Eagle" – after the Eagle Nebula (a star cluster discovered in the mid-18th century that is about 7,000 light years from Earth). Compared

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