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15%
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
15%
Filesystem Murder Mystery
09.04.2019
Home »  Archive  »  2019  »  Issue 50: Bpfilter  » 
Lead Image © Lucy Baldwin, 123RF.com
unexplained delays of a few seconds while renaming some gigabyte-sized files [2] on a fast cloud instance [3]. I was able to reproduce his result in an AWS EC2 m5d.large instance running Ubuntu Server 18
15%
Proprietary and Open Source Storage Options
09.10.2023
Home »  HPC  »  Articles  » 
12        7:12   0  40.8M  1 loop /snap/snapd/20092 sda           8:0    0   5.5T  0 disk |---sda1        8:1    0   5.5T  0 part /home2 nvme1n1     259:0    0 953.9G  0 disk |---nvme1n1p1
15%
A simple approach to the OCFS2 cluster filesystem
30.11.2025
Home »  Archive  »  2010  »  Issue 1: System...  » 
© Kheng Ho Toh, 123RF.com
, Fedora, and openSUSE systems. Depending on the kernel version, users either get version 1.4, which was released in 2008, or version 1.2, which is two years older. The "OCFS2 Choices" box and Table 3 show
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%
Programming with OpenMP
07.11.2011
Home »  HPC  »  Articles  » 
     #pragma omp parallel for shared (sum) private (i) 12     for ( i=0; i < 1000000; i++) { 13         #pragma omp critical (sum_total) 14         sum = sum + a[i]; 15     } 16     printf("sum=%lf\n",sum); 17
15%
Warewulf Cluster Manager – Master and Compute Nodes
22.05.2012
Home »  HPC  »  Articles  » 
9.3 k dhclient x86_64 12:4.1.1-25.P1.el6_2.1 sl-security 315 k e2fsprogs x86
15%
Elastic Beanstalk
29.10.2013
Home »  Articles  » 
 
Linux running PHP 5.3     5) 32bit Amazon Linux running Node.js     6) 64bit Amazon Linux running Node.js     ... Don’t create an RDS instance this time, so type n for that option; however, notice how
15%
Parallelizing and memorizing Python programs with Joblib
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
)]: Done 1 out of 181 | elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2.3
15%
OpenACC – Data Management
07.02.2019
Home »  HPC  »  Articles  » 
exiting the data region, the data from the accelerator is copied back to the host. Table 3 shows a simple example of using the copy  clause. Table 3: The copy  Clause Fortran C !$acc

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