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28%
Modern Fortran – Part 3
25.01.2017
Home »  HPC  »  Articles  » 
) :: a[*]    ! Array coarray   real, dimension(n), codimension[*] :: a   ! Array coarray   integer :: cx[10,10,*]   ! scalar coarray with corank of 3   ! Array coarray with corank of 3 with different cobounds real :: c(m,n) :: [0 ... Modern Fortran – Part 3
28%
Static code analysis finds avoidable errors
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Andrey KOTKO, 123RF.com
); 19 printf("source: %s\ntarget: %s\n",source,target); 20 return 0; 21 } Figure 3: Splint warns the programmer of a likely out
28%
News for Admins
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
 
-A ports, one USB 3.2 Type-C, two RJ-45 LAN ports, five audio jacks, built-in Intel® Wireless-AC (a/b/g/n/ac/ax), and Bluetooth 5.0. To accommodate such power, System76 had to put serious work ... In the news: Red Hat Enterprise Linux 8.3 Available, It's Official – Linux 5.10 is the Next LTS Kernel, System76 Unleashes World's Smallest Quad-GPU Workstation, Canonical Releases Autonomous
28%
Thrashing the data cache for fun and profit
05.12.2019
Home »  Archive  »  2019  »  Issue 54: NVMe...  » 
Lead Image © Lucy Baldwin, 123RF.com
program text is being retrieved from slower caches, or even from (gosh!) RAM [2] [3]. Now the time has come to turn your attention to the data cache: Where large enough datasets are involved, spatial
28%
Live Kernel Update Tools
21.08.2014
Home »  Archive  »  2014  »  Issue 22: OpenS...  » 
Lead Image © Andrea, Fotolia.com
to be equivalent in terms of functionality: Kpatch [2] and kGraft [3]. Technically, the two approaches have major differences with widely divergent functionality. Perhaps this divergence is why Red Hat and SUSE
28%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
from backup block#262144? <n> y Checking OCFS2 filesystem in /dev/sda1: label: backup uuid: 31 18 de 29 69 f3 4d 95 a0 99 a7 23 ab 27 f5 04 number of blocks: 367486
28%
Julia: A new language for technical computing
30.11.2025
Home »  Archive  »  2012  »  Issue 10: Traff...  » 
in Listing 3, I am adding nodes named n0 and n2. It also should be noted that using remote nodes assumes that Julia has been installed in the same location on each node or is available via a shared file system
28%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
kernel ordinal number (%n). Listing 3 70-persistent-net.rules Rules for KVM: SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="52:54:00:*", KERNEL=="eth*", NAME="eth%n" Rules
28%
Using loop directives to improve performance
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image © orson, 123RF.com
but independently of one another (Figure 2). Table 3 Gang Execution Fortran C !$acc parallel do i=1,n ! do something enddo!$acc end parallel pragma acc parallel{ for (int i=0; i
28%
I/O Profiling at the Block Level
27.08.2014
Home »  HPC  »  Articles  » 
files in ext3/ext4 filesystems Zipf theta - Estimate of Zipfian distribution theta Ioprof is written in Perl and is fairly easy to run, but it has to be run as root (or with root privileges

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