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24%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
for (i = 0; i < n; i++) { 05 for (k = 0; k < n; k++) { 06 float sum = 0.0f; 07 08 #pragma unroll (4) 09 10 for(j = 0; j < n; j++) 11 sum += src1
24%
Managing Linux systems with Spacewalk
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © NASA
use strict; 04 use Exporter; 05 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); 06 07 $VERSION = 1.0; 08 @ISA = qw(Exporter); 09 @EXPORT = (); 10 @EXPORT_OK = qw
24%
Collecting and evaluating performance data over a period of time
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © Sergey Nivens, 123RF.com
) w Task creation and task-switching activity y TTY activities Listing 1 Query with Interval and Number jcb@hercules:# sar -q 10 2 Linux 3.5.0-44-generic
24%
Have a Bash with the Zing network utility
25.09.2023
Home »  Archive  »  2023  »  Issue 77: Secur...  » 
Photo by Micah Tindell on Unsplash
: 55 ms. Port: 80: op 2.1. 10.0.0.23 80 Time: 26 ms. Port: 80: op 2.2. 10.0.0.23 80 Time: 56 ms. Port: 80: op 3.1. 10.0.0.23 80 Time: 25 ms. Port: 80: op 3.2. 10.0.0.23 80 Time: 48 ms. Port: 80: op 4
24%
StarCluster Toolkit: Virtualization Meets HPC
16.01.2013
Home »  HPC  »  Articles  » 
 name 05 #$ -N pi 06 # Use current working directory 07 #$ -cwd 08 # Join stdout and stderr 09 #$ -j y 10 # PARALLEL ENVIRONMENT: 11 #$ -pe orte 2 12 # Enable resource reservation 13 #$ -R y 14 # The max
24%
Rancher manages lean Kubernetes workloads
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Lead Image © Sebastian Duda, 123RF.com
://get.k3s.io | sh -s - server --datastore-endpoint="mysql://rancher:secret@tcp(10.42.0.1:3306)/rancher" Of course, the command specified here will only work if the system has direct access to the Internet
24%
Managing cluster software packages
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© victoroancea, 123RF.com
, with NOMODULES set, no modules are available: Listing 2 Setting NOMODULES $ module list Currently Loaded Modulefiles: 1) fftw/3.3.2/gnu4 2) mpich2/1.4.1p1/gnu4 $ ssh n0 $ module list Currently
24%
Dynamic routing in Linux with Quagga
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© petrol, 123RF.com
password 8 ZDF339a.20a3E 05 log file /var/log/quagga/zebra.log 06 service password-encryption 07 ! 08 interface eth0 09 multicast 10 ipv6 nd suppress-ra 11 ! 12 interface eth1 13 ip address 10
24%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
, i, j, ierr   !------------------------------------------------------------------     n = 100         allocate(a(n,n), stat=ierr)     allocate(b(n,n), stat=ierr)       call random_seed()       do j =1,n         do i=1,n             call random_number(x)             a(i,j) = 10.0d0*x
24%
Rancher Kubernetes management platform
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © Franck Boston, 123RF.com
, the command would be: $ curl -sfL https://get.k3s.io | sh -s - server --datastore-endpoint="mysql://rancher:secret@tcp(10.42.0.1:3306)/rancher" This command only works if the system has access to the Internet

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