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20%
OpenACC – Data Management
07.02.2019
Home »  HPC  »  Articles  » 
)), copyout(b(s/4:3*s/4)) #pragma acc data copyin(a[0:size-1]),  copyout(b[s/4:3*s/4]) You can use reasonably complex expressions to determine the portion and size of the array to use
20%
Achieving More Harmonious Cloud Orchestration
01.04.2014
Home »  Articles  » 
applications on virtual machines. In fact, most of what you will find in Cloudify recipes can be achieved by integrating Chef Cookbooks. Looking Forward: Cloudify 3.0 The current Cloudify version 2.6 has
20%
Monitoring server hardware with the Nagios IPMI plugin
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
© Vladimir Nenov, 123RF.com
status, and many others. IPMI (Intelligent Platform Management Interface) was introduced in 1998 as a cross-vendor server management standard by Intel, HP, NEC, and Dell. The current IPMI 2.0 specifically
20%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
and increasing the wall clock time. Notice that the peak speedup is only about a = 3.0 and happens at around 16 processors. This speedup is less than that predicted by Amdahl’s Law (a = 5). Note that you can
20%
Samba 4 appliances by SerNet and Univention
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© Ricky Grant, 123RF.com
on Debian 6 and relies on kernel 3.2.0 from the Debian backports with support for Microsoft Hyper-V. The appliance uses the embedded S3FS file server, instead of Samba 4's own NTVFS, which starts the SMB
20%
Comparing 5 to 50TB NAS storage boxes
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Franck Boston, fotolia.com
disk fails, the sum of all remaining bits reveals whether the missing disk would need to have a 0 or a 1 to meet the even or odd status stored on the parity disk. The advantage of RAID 3 is that you
20%
REMORA
18.09.2017
Home »  HPC  »  Articles  » 
in the Fortran programfor a longer run time: nx = 8000 ny = 8000 i t_max = 10000 tolerance = 0.00004D+00 The code was compiled using GCC 7.1 and run on a four-core AMD A6-6310 laptop (Lenovo
20%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz right/UTC logdir /var/log/chrony I pointed the head node to 2.rocky
20%
An open source object storage solution
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Pat Whelen on Unsplash
amounts of unstructured data. In this article I introduce you to MinIO, a popular object storage solution. MinIO's source code is available under the GNU Affero General Public License v3.0, which means you
20%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
Manager (CLVM) is used to mount the shared storage. Architecture The two physical cluster nodes in this article each have four network cards: eth0 through eth3 . The first (eth0 ), and third (eth2 ... 0

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