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19%
Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
disk reads: 1306 MB in 3.00 seconds = 434.77 MB/sec federico@cybertron:~$ sudo hdparm -W /dev/sdb /dev/sdb: write-caching = 1 (on) federico@cybertron:~$ sudo hdparm -W 0 /dev/sdb /dev/sdb: write
19%
Security data analytics and visualization with R
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Rancz Andrei, 123RF.com
2. Listing 2 PatchStatsTop10.v.0.3.R 001 ## Server Owner Trend Analysis 002 ## -Missing Security Patches 003 ## Russ McRee, @holisticinfosec 004 005 library(XLConnect) 006 library
19%
RAM revealed
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© KrishnaKumar Sivaraman, 123RF.com
. All told, these measures reduce the energy requirements per gigabyte of RAM from just under 7 watts for ECC DDR2 FB-DIMMs to a current figure of 0.54 watts for ECC DDR3 Registered DIMMs (Table 2
19%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
. The initial processor speed was 300MHz. Future processors used 450, 600, and even 675MHz. Similar to the T3D, the T3E could scale from 8 to 2,176 PEs, and each PE had between 64MB and 2GB of memory. The T3D
19%
Monitoring Storage with iostat
25.02.2013
Home »  HPC  »  Articles  » 
) 01/31/2013 _i686_ (1 CPU)01/31/2013 09:56:01 AM avg-cpu: %user %nice %system %iowait %steal %idle 14.78 0.38 3.47 2.16 0.00 79.21 Device: rrqm/s wrqm
19%
New features in PHP 7.3
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © MIR, Fotolia.com
of text. The text continues until the identifier appears again to mark the end of the Heredoc. Nowdoc syntax was introduced in PHP 5.3.0. It behaves like text in single quotes, which PHP does not interpret ... The new PHP 7.3 simplifies string handling, supports PCRE version 2, adds LDAP controls, improves logging, and deprecates some features, functions, and syntax elements. ... PHP 7.3 ... New features in PHP 7.3
19%
A Distributed SQL Database
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Sonika Agarwal on Unsplash
the data across all nodes: cockroach start --insecure --join=,,3> This ensures that the previously stopped node receives any updates that occurred during
19%
openlava – Hot resource manager
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Konrad Bak, 123RF.com
tmp DISPATCH_WINDOW # Keywords test1 0 () () () () () () n0001 3 () () () () () () default
19%
OpenMP – Loops and Data Control
08.05.2019
Home »  HPC  »  Articles  » 
 (i=0; i < n; i++) {    ... }   for (j=0; j < m; j++) {    ... }   for (k=0; k < n*m; k++) {    ... } Listing 2: Parallelized Sets of Loops Fortran C !$omp parallel do do i=1,n
19%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
in mv ubuntu@aws:~/slow-mv$ strace -t mv 3GB.copy 3GB 19:00:09 execve("/bin/mv", ["mv", "3GB.copy", "3GB"], 0x7ffd0e7dddf8 /* 21 vars */) = 0 19:00:09 brk(NULL) = 0x55cd7d1ce000

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