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22%
OpenACC – Porting Code
07.03.2019
Home »  HPC  »  Articles  » 
 acc parallel loop       {          for (j=0; j < m; j++) {             ...          }       }       ...    } } Table 3: Single-Directive Nested Loop Fortran C !$acc parallel loop    do i=1,n       ...       do
22%
Using loop directives to improve performance
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © orson, 123RF.com
if z(i) depends on a previous value, as in the following: do i = 2,n z(i) = z(i-1)*2 enddo As written, you can't generally parallelize the loop because of data dependency [4]. This dependency
22%
Uncovering SQL Injections
18.03.2013
Home »  Articles  » 
 
is a classic bug in a web application: an SQL injection vulnerability. SQL injection, which has been known for around 12 years, is still one of the hacker’s most popular tools. This article presents real
22%
Kopano Groupware – an open source productivity suite
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © Klementiev, fotolio.com
install kopano-webapp # exit ### If you have the Community Packages $ wget https://download.kopano.io/community/webapp%3A/webapp-4.2.2860%2B1697.1.12a4e21-Ubuntu_18.04-all.tar.gz $ tar xfz webapp-4.2.2860+1697.1.12
22%
ZAP provides automated security tests in continuous integration pipelines
23.08.2017
Home »  Archive  »  2017  »  Issue 41: Kuber...  » 
Lead Image © Galina Peshkova, 123RF.com
03736 bash zap@03736c2a2088:/zap$ x11vnc --forever --usepw --create Enter VNC password: Verify password: Write password to /home/zap//.vnc/passwd? [y]/n y Password written to: /home
22%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
.97 18 3.902 1.89e-10 *** s(dayOfYear):as.factor(wday)Friday 12.15 18 3.953 4.59e-11 *** s(dayOfYear):as.factor(wday)Wednesday 13.85 18 5.314 9.31e-15 *** s
22%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
One way to share HPC systems among several users is to use a software tool called a resource manager. Slurm, probably the most common job scheduler in use today, is open source, scalable, and easy ...    infinite         4/9/3/16  node[212-213,215-218,220-229] This example lists the status, time limit, node information, and node list of the p100 partition. sbatch To submit a batch serial job to Slurm, use the ... One way to share HPC systems among several users is to use a software tool called a resource manager. Slurm, probably the most common job scheduler in use today, is open source, scalable, and easy
22%
Automate CentOS and RHEL installation with PXE
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Michael Kempf, Fotolia.com
.42.0.255 dhcp_subnets: - ip: 10.42.0.0 netmask: 255.255.255.0 domain_name_servers: - 10.42.0.10 - 10.42.0.11 range_begin: 10.42.0.200 range_end: 10.42.0.254 ntp
22%
Measuring the performance health of system nodes
02.08.2022
Home »  Archive  »  2022  »  Issue 70: Defen...  » 
Lead Image © Peter Hermes Furian, 123RF.com
. The primary changes made to the benchmarks of the latest version 3.4.2 of the NPB are: added class F to the existing S, W, A, B, C, D, E added dynamic memory allocation added MPI and Open
22%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
. Listing 2 sinfo $ sinfo -s PARTITION AVAIL TIMELIMIT NODES(A/I/O/T) NODELIST p100 up infinite 4/9/3/16 node[212-213,215-218,220-229] sbatch To submit a batch serial

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