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17%
Graphite: Collect and Visualize Numeric Data
30.07.2014
Home »  HPC  »  Articles  » 
00:00:00 Thursday January 1, 1970, Coordinated Universal Time (UTC). Listing 1: Perl Example Client #!/usr/bin/perl   use strict; use warnings; use IO::Socket; use Sys::CpuLoad;   my
17%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
in the standard Python built-ins [2] and in the NumPy library [3]. Figure 1: IPython session comparing two implementations of a round routine. Unless you
17%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
integer :: allocate_status 08 ! 09 n = 10 10 allocate( array(n, n), stat = allocate_status ) 11 if (allocate_status /= 0) stop "Could not allocate array" 12 ! 13 subarray => array(3:7,3:7) 14
17%
Resource Management with Slurm
05.11.2018
Home »  HPC  »  Articles  » 
nodes, and make sure to do this as a user and not as root. 3. To make life easier, use shared storage between the controller and the compute nodes. 4. Make sure the UIDs and GIDs are consistent
17%
Resource Management with Slurm
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Vladislav Kochelaevs, fotolia.com
In previous articles, I examined some fundamental tools for HPC systems, including pdsh [1] (parallel shells), Lmod environment modules [2], and shared storage with NFS and SSHFS [3]. One remaining
17%
Warewulf Cluster Manager – Administration and Monitoring
21.08.2012
Home »  HPC  »  Articles  » 
-------------------- ----------- -------- ---------------- ------ ----- ------ ------ ----- - ----- 10.test1 laytonjb batch mpi_pi_fortran90 -- 1 3 -- 00:10 Q -- The qstat command gets the status of the queues in Torque, and the -a option tells it to check all
17%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
from /etc/password and /etc/groups . The time is computed in number of seconds since 1970-01-01 00:00:00 UTC. The script entry records the name of the wrapper script that was used, because you might
17%
Tools that extend Bash scripting
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Laschon Maximilian, 123RF.com
that the top left of the screen is (0,0) tput cup 3 15 # Set the foreground color using an ASCII escape tput setaf 3 # Write a "title" to the screen echo "Title of the company" tput sgr0 # Write a menu title
17%
Parallel Programming with OpenMP
21.11.2012
Home »  HPC  »  Articles  » 
directions) 085 086 ALLOCATE ( unew(1:m,1:m), u(1:m,1:m) ) ! mem for unew, u 087 088 ! 089 ! Boundary Conditions 090 ! =================== 091 ! 092 pi = DACOS(0.0d0) 093 094 ! Top of unit square: (N) 095
17%
Detecting intruders with Suricata
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © Kurhan, 123RF.com
Tunneling"; content:"|01 00|"; offset:2; w ithin:4; content:"cT"; offset:12; depth:3; content:"|00 10 00 01|"; within:255; class type:bad - unknown; sid:1000 2; The preceding rule inspects the DNS traffic

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