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14%
Modern Fortran for today and tomorrow
17.06.2017
Home »  Archive  »  2017  »  Issue 39: Conta...  » 
Lead Image © homestudio, 123RF.com
+ X3 + 1 X4 + X5 + X6 ----------------------------- 11111111112222222222 12345678901234567890123456789 By default, F77 defines variables starting with (upper- or lowercase) i, j
14%
Hunt down vulnerabilities with the Metasploit pen-testing tool
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © bluebay, 123rf.com
:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh (...) reboot; Connection closed by foreign host. Metasploitable runs many more insecure services that an Nmap scan brings to light (Listing 3
14%
Server virtualization with Citrix XenServer
30.11.2025
Home »  Archive  »  2010  »  Issue 2: Backup...  » 
Goss Vitalij, Fotolia
/** 16 * @param args 17 */ 18 public static void main(String[] args) throws Exception { 19 20 if (args.length != 3 && args.length != 5) 21 { 22 System
14%
Extending OpenNebula with hooks
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Greg Epperson, Photocase.com
http://opennebula.org/repo/ openSUSE/12.3/stable/x86_64 opennebula zypper refresh zypper install opennebula zypper install opennebula-sunstone For Debian and Ubuntu, a tarball is available with several
14%
ISC 2024 from a Distance
10.06.2024
Home »  HPC  »  Articles  » 
in gigaflops per watt over time. The first Green500 list was in June 2013. The number 1 system used GPUs even then (NVIDIA K20 with QDR InfiniBand). The energy efficiency was 3,208.8Mflops/W (0.32Gflops
14%
Fundamentals of I/O benchmarking
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Kheng Ho Toh, 123RF.com
B blocks: 21665.1 IO/s, 169.3 MiB/s ( 1.4 Gbit/s) 16 KiB blocks: 13364.2 IO/s, 208.8 MiB/s ( 1.8 Gbit/s) 32 KiB blocks: 7621.1 IO/s, 238.2 MiB/s ( 2.0 Gbit/s) 64 KiB blocks: 4162.3 IO/s, 260.1 Mi
14%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
to do on a single node can be done on a large number of nodes using a parallel shell tool. If you try to use a parallel shell on a 50,000-node cluster, however, the time skew could be large enough
14%
Error-correcting code memory keeps single-bit errors at bay
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © Igor Stevanovic, 123RF.com
and one channel table. You can get an idea of the layout by looking at the entries for csrowX (X = 0 to 7) in Listing 3. Listing 3 Memory Controller Layout login2$ more /sys
14%
Go testing frameworks
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Lucy Baldwin, 123RF.com
: hardly any difference here. Bear in mind, I set up a comparison between 10x10 arrays, 100 elements defined as integers on a 64-bit processor, totaling 8,000 bytes. Even on the dated Core i5 processor used
14%
Server virtualization with Citrix XenServer
04.08.2011
Home »  CloudAge  »  Articles  » 
 
.pm.xenserver.utils.Server; 12 13 public class TestAPI { 14 15 /** 16 * @param args 17 */ 18 public static void main(String[] args) throws Exception { 19 20 if (args.length != 3 && args.length != 5) 21

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