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47%
When I/O Workloads Don’t Perform
12.05.2021
Home »  HPC  »  Articles  » 
-machine kernel: [  387.117129] sd 0:0:0:0: [sda] tag#3 Send: scmd 0x000000001842ae5b Mar 27 15:21:24 dev-machine kernel: [  387.117134] sd 0:0:0:0: [sda] tag#3 CDB: Write(10) 2a 00 1d 04 5d 88 00 00 20 00 Mar 27
47%
Understanding the Status of Your Filesystem
18.06.2014
Home »  HPC  »  Articles  » 
-  28 days]:   7379  (  1.90%)  (  2.30% cumulative)    [  28-  56 days]:  10655  (  2.75%)  (  5.05% cumulative)    [  56- 112 days]:  12079  (  3.11%)  (  8.16% cumulative)    [ 112- 168 days]:  27551
47%
Modern Fortran – Part 3
25.01.2017
Home »  HPC  »  Articles  » 
Fortran 90 took Fortran 77 from the dark ages by giving it new features that developers had wanted for many years and by deprecating old features – but this was only the start. Fortran 95 added new
47%
A closer look at hard drives
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Lucy Baldwin, 123RF
: 156301488 20 Logical Sector size: 512 bytes 21 Physical Sector size: 512 bytes 22 device size with M = 1024*1024: 76319 MBytes 23
47%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
). That supercomputer was expensive. A predecessor to the Y-MP, the X-MP, sold to a nuclear research center in West Germany for $11.4 million in 1981, or $32.6 million in 2020 dollars (see The Supermen  by Charles J
47%
Warewulf Cluster Manager – Completing the Environment
20.06.2012
Home »  HPC  »  Articles  » 
:uucp man:x:15: games:x:20: gopher:x:30: video:x:39: dip:x:40: ftp:x:50: lock:x:54: audio:x:63: nobody:x:99: users:x:100: utmp:x:22: utempter:x:35: floppy:x:19: vcsa:x:69: rpc:x:32: cdrom:x:11: tape:x:33
47%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
 host,host,...  set target node list on command line -x host,host,...  set node exclusion list on command line -R name           set rcmd module to name -M name,...       select one or more misc modules to initialize first -N
47%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
var/opt/bro/logs Subdirectories ls -l /var/opt/bro/logs/ total 244 drwxr-xr-x. 2 root root 4096 Oct 20 00:00 2014-10-19 drwxr-xr-x. 2 root root 12288 Oct 21 00:00 2014-10-20 drwxr-xr-x. 2 root root
47%
System monitoring with Sysinternals
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Denis Tevekov, 123RF.com
lists locally logged in users only; -x leaves out the login times. The PsLoggedOn tool is useful when you need to investigate unauthorized access to your network and see the computers on which a user
47%
Tuning I/O Patterns in C
31.07.2013
Home »  HPC  »  Articles  » 
, Fortran 90, and Python (2.x series). I’ll be running the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4.4.6), as well as the default Python (2

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