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7%
Look for Bottlenecks with Open|SpeedShop
21.12.2011
Home »  HPC  »  Articles  » 
_start_main (libmonitor.so.0.0.0) openss>>expview -vstatements Exclusive  Inclusive       % of   Statement Location (Line Number) Fpe Event  Fpe Event       Total Counts     Counts          Counts 12         12
7%
Two NexentaOS derivatives compared
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© iofoto, fotolia.com
style as Redundancy Groups: RAID-1, RAID-Z1 (like RAID-5), RAID-Z2 (like RAID-6), and RAID-Z3 (with triple parity). Netgear uses these modes, too, but calls them RAID-5 and RAID-6, following the classic
7%
Matlab-like tools for high-performance computing
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
. Some researchers use it for parameter sweeps by launching 25,000 or more individual Matlab runs at the same time. Needless to say, Matlab is used very heavily at a number of places, so it is a very good
7%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
END LOOP; 10 RETURN clock_timestamp()-now() 11 END; 12 $CODE$ LANGUAGE plpgsql; Figure 1: The burncpu() process at the top of the Top chart
7%
Professional backup solutions compared
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Kamil Macniak, 123RF
) with 12 Serial ATA disks, a 320 UW SCSI controller for the host connection, and 512MB cache. I configured various disk groups and logical volumes on this powerful hardware and exported them to the backup
7%
Goodbye virtual machines, hello microVMs
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Eric Froehling on Unsplash
In two previous articles [1][2], I introduced how to bring up lightweight container machines with Footloose and cloud virtual machine stacks on a laptop with Multipass. The Footloose approach didn
7%
Zuul 3, a modern solution for CI/CD
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © lightwise, 123RF.com
and supports a number of development platforms, like GitHub and Gerrit Code Review [6]. Zuul originated as OpenStack CI testing. For years, OpenStack, the Infrastructure-as-a-Service (IaaS) cloud [7], got all
7%
Set up subdomains with Apache and Nginx
25.03.2021
Home »  Archive  »  2021  »  Issue 62: Lean...  » 
Lead Image © Saniphoto, Fotolia.com
) and Apache (with VirtualHost blocks). The starting point will be a freshly installed Debian 10.6 "Stable," on which I configure virtual hosts for the imaginary domains www.example1.de and www.example2.de
7%
We compare four popular NAS appliances
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Alejandro Mendoza, 123RF.com
  Model TS-251 DS-214 N5550 ReadyNAS RN31400 Manufacturer QNAP Inc. Synology Thecus Netgear Operating System QTS 4.1.1 (Linux 3.12.6
7%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
functions (ufuncs) [5] and C callbacks. The compiler is under continual development, with the addition of more capability, more performance, and more NumPy functions. A ufunc operates on an ndarray [6

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