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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%
Tech News
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
 
-memory," the announcement states. To learn more, check out the educational videos on the OpenMP YouTube channel (https://www.youtube.com/playlist?list=PLLX-Q6B8xqZ8n8bwjGdzBJ25X2utwnoEG) or visit the OpenMP website (https ... In the news: Hetzner Announces S3-Compatible Object Storage; Ongoing Cyberattack Prompts New CISA Guidance for Communications Infrastructure; OpenMP 6.0 Released; Open Source Development Improves
15%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
the same test with a 44-million sample test, time mpiexec -n 44 mpiPI-44M Figure 4: btop [12] visualizing CPU core activations
15%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
D revision 1 10 Supported: 7 6 5 4 11 Configuration: 12 Logical max current 13 cylinders 16383 16383 14 heads 16 16 15
15%
Proprietary and Open Source Storage Options
09.10.2023
Home »  HPC  »  Articles  » 
 bytes Disklabel type: gpt Disk identifier: DD46F2B6-9DDE-4810-AA43-905AB60C656D   Device           Start        End   Sectors   Size Type /dev/nvme0n1p1    2048    1050623   1048576   512M EFI System /dev
15%
Using a Bash script to mirror external monitors
10.06.2015
Home »  Archive  »  2015  »  Issue 27: Fault...  » 
Lead Image © bowie15, 123RF.com
"} ) 09 10 # force called programs to english output 11 LANG=C LC_ALL=C 12 13 function die { 14 echo 1>&2 "$*" 15 exit 10 16 } 17 18 function get_display_resolution { 19 local find_display="$1
15%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
, repeating the measurement 100,000 times leads to an approximate time measurement of 6ns for the round n Figure 4: Bench testing round() in C: 6.23ns fast
15%
Automation Scripting with PHP
16.10.2012
Home »  Articles  » 
 
6), and start stream blocking (line 7), which executes the command and waits for the response. Now, write the output to a variable (lines 9-12), close the stream (line 14), and send the response
15%
Real-World HPC: Setting Up an HPC Cluster
04.11.2011
Home »  HPC  »  Articles  » 
on enterprise-grade rack hardware, there is no reason one cannot follow along at home with a few beige boxes and an 10Mb hub, as long as the servers are capable of booting from the network with PXE [6]. PXE
15%
Managing Storage with LVM
07.11.2023
Home »  HPC  »  Articles  » 
, mount the new filesystem and check it with the df  command. The Ubuntu 22.04 example can illustrate this process (Listing 6). Listing 6: LV Block Device for Filesystem $ sudo mkdir /mnt/test $ sudo mkfs.ext4

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