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27%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
; 05 06 print "Status: 200\nContent-Type: text/plain\n\n"; 07 $|=1; $|=0; # flush 08 09 my $dbh=DBI->connect('dbi:Pg:dbname=r2', 'ipp', undef, {RaiseError=>1}); 10 11 my $sth
26%
Using the MQTT IoT protocol for unusual but useful purposes
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © Heiko Küverling, 123RF.com
is over and done with as soon as the message is delivered. MQTT enables a decoupled 1-to-n or 1-to-1 relationship between different devices or programs that do not specifically need to know each other
26%
Automated builds using CentOS 7 and Kickstart
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © Icetray, fotolia.com
_64 3/5 Verifying : apr-1.4.8-3.el7.x86_64 4/5 Verifying : httpd-2.4.6-18.el7.CentOS.x86_64 5/5 Installed: httpd.x86_64 0:2.4.6-18.el7.CentOS Dependency Installed: apr.x86
26%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
 A\n"); 05 #pragma omp barrier 06   Calculationfunction(B,C); 07   printf("C was calculated from B\n"); 08 } The Calculationfunction() line in this listing calculates the second argument
26%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25,57 26,58 27,59 28,60 29,61 30,62 31,63 The lstopo tool
26%
Static code analysis finds avoidable errors
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Andrey KOTKO, 123RF.com
instructions but still provokes an explicit warning (Figure 3). Listing 6 Too Many Characters 01 #include 02 #include 03 #define BUFSIZE 10 04 05 int main(/*@unused@*/ int
26%
Visualizing containers with clarity
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Lead Image © Ulrich Müller, 123RF.com
-line operations. To install Dockly [3], you can choose one of two routes: with npm (see the "Installation by npm" box for that route) and in a Docker container. For context, on my laptop, about 43MB of file space
26%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
  30.85  72.31   13.16   20.40   0.26    70.44    83.89   1.97   3.52 nvme0n1         58.80   12.22  17720.47     48.71   230.91     0.01  79.70   0.08    0.42    0.03   0.00   301.34     3
26%
When I/O workloads don't perform
02.08.2021
Home »  Archive  »  2021  »  Issue 64: Bare...  » 
Lead Image © Viacheslav Iakobchuk, 123RF.com
%util sda 10.91 6.97 768.20 584.64 4.87 18.20 30.85 72.31 13.16 20.40 0.26 70.44 83.89 1.97 3.52 nvme0n1 58.80 12.22 17720.47 48.71 230
26%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
: ohpc-slurm-server x86_64 2.6-7.1.ohpc.2.6 OpenHPC-updates 7.0 k Installing dependencies: mariadb-connector-c x86_64 3.1.11-2.el8_3 appstream

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