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15%
Speed up your MySQL database
11.02.2016
Home »  Archive  »  2016  »  Issue 31: Tunin...  » 
Lead Image © Mikhail Dudarev, 123RF.com
+----------------------------------+---------+---------------------+ 40 | 47e0142a3638fdc24fe40d4e4fbce3f1 | Row 1 | 2015-09-13 15:24:12 | 41 | b833c1e4c5bfc47d0dbe31c2e3f30837 | Row 3 | 2015-09-13 15:24:14 | 42 | c7d46523a316de4e1496c65c3cbdf358 | Row 2 | 2015
15%
Tips and Tricks for Containers
12.05.2020
Home »  HPC  »  Articles  » 
): root@c31656cbd380:/# apt-get update Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB] ... Fetched 18.0 MB in 9s (1960 kB/s) After the package repositories are synced, I can
15%
OpenACC – Data Management
07.02.2019
Home »  HPC  »  Articles  » 
(a) copyout(f)   do j=1,n     f(i) = 2.0*e(j) +  (1.0/4.0)*(a(j)*4.14)   end   !$acc end data #pragma acc data copyin(a, b) copy(c) {   #pragma acc parallel loop {     for (int i=0; i < n
15%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
[i]; 82 } 83 84 pi = ((double)finalcount/(double)finalniter)*4.0; //p = 4(m/n) 85 printf("Pi: %f\n", pi); //Print the calculated value of pi 86
15%
Modern Fortran – Part 2
15.12.2016
Home »  HPC  »  Articles  » 
are over i = 2,n − 1 and j = 2,n −1. Here is how you can write the iteration over the domain using array notation: a(2:n-1,2:n-1) = 0.25 * &     (a(1:n-2,2:n) + a(3:n,2:n) + a(2:n,1:n-2) + a(2:n,3:n
15%
What Is an Inode?
23.03.2022
Home »  HPC  »  Articles  » 
-34-1804/72 /dev/loop7         17441    17441         0  100% /snap/gnome-3-38-2004/87 /dev/nvme1n1p1  62513152  7087560  55425592   12% /home /dev/nvme0n1p1         0        0         0     - /boot/efi /dev/loop8         17495    17495         0
15%
Protect Your Servers with Nmap
23.07.2012
Home »  Articles  » 
 
.13.134.52):            Not shown: 994 filtered ports            PORT    STATE  SERVICE VERSION            22/tcp  open   ssh     OpenSSH 4.3 (protocol 2.0)            25/tcp  closed smtp            53/tcp  open   domain  ISC BIND 9
15%
Give your servers the once over with Nmap
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© ragsac, 123RF.com
.nmap.org (64.13.134.52): Not shown: 994 filtered ports PORT STATE SERVICE VERSION 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) 25/tcp closed smtp
15%
Visualizing time series data
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Maxim Kazmin, 123RF.com
't connect to $remote_host:$remote_port: $@ \n"; 17 18 19 while() { 20 my @lavg = Sys::CpuLoad::load(); 21 my $ts=time(); 22 print $socket "system.loadavg_1min $lavg[0] $ts\n"; 23 print $socket "system
15%
Processor and Memory Metrics
12.02.2014
Home »  HPC  »  Articles  » 
:   99.0%    iowait:    0.0%  irq:     0.0%    softirq:   0.0%  steal:   0.0%    guest:     0.0%  CPU0    user:      4.0%  nice:    0.0%    system:    2.0%  idle:   94.0%    iowait:    0.0%  irq:     0.0

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