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19%
Dispatches from the world of IT
30.11.2025
Home »  Archive  »  2011  »  Issue 4: Secure...  » 
 
as a managed service that are accessible remotely on a variety of clients, including desktop systems, laptops, and even the iPad. However, the platform can be a bit tricky to spec out, so VMware is providing
19%
Mocking and emulating AWS and GCP services
05.08.2024
Home »  Archive  »  2024  »  Issue 82: Sover...  » 
Lead Image © Juri Samsonov, Fotolia.com
services have official emulators, exposed through the Google Cloud command-line interface (gcloud CLI) by Cloud SDK. These emulators could be run natively on your laptop if the required dependencies
19%
Comparing Ceph and GlusterFS
21.04.2015
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © agencyby, 123RF.com
-r--r-- 2 root root 6 3. Feb 18:36 .glusterfs/0d/19/0d19fa3e-5413-4f6e-abfa-1f344b687ba7 # # ls -alid dir1 .glusterfs/fe/9d/fe9d750b-c0e3-42ba-b2cb-22ff8de3edf0 .glusterfs /00/00
19%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
2P). Listing 2P: Python Code Example with Output in Loop (One-by-One) 1 #!/usr/bin/python 2 3 if __name__ == "__main__": 4 5 local_dict = {'x':0, 'y':0, 'z':0,'value':0.0}; 6 7 counter
19%
Wireshark
27.11.2011
Home »  Articles  » 
 
in Libpcap syntax: ether host 00:25:4b:bd:24:94 Figure 2: Wireshark includes a number of predefined display filters and supports interactive creation
19%
Improved Performance with Parallel I/O
24.09.2015
Home »  HPC  »  Articles  » 
seconds) and 80% parallel (800 seconds), but with only one process. Amdahl’s Law says the speedup is 1.00. As the number of processes increase, the wall clock time of the parallel portion decreases
19%
ClusterHAT
10.07.2017
Home »  HPC  »  Articles  » 
the following line to /etc/fstab on all of the compute node images: controller.pi:/home        /home        nfs    default     0   0 controller.pi:/usr/local   /usr/local    nfs    default     0   0 Also
19%
OpenACC – Parallelizing Loops
09.01.2019
Home »  HPC  »  Articles  » 
!$acc parallel    !$acc loop    do i=1,n       a(i) = 0.0    enddo !$acc end parallel     #pragma acc parallel {    #pragma acc loop    for (int i=0; i < n; i++)    {       a[i] = 0.0
19%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
             SN                   Model                                    Namespace Usage                      Format           FW Rev ---------------- -------------------- ---------------------------------------- --------- -------------------------- ---------------- -------- /dev/nvme0n1     152e778212a62015     Linux                                    1         21.00  TB /  21.00  TB     4 KiB +  0 B     5.4.12-0 You are now able to read and write from and to /dev/nvme0n1
19%
Why Good Applications Don’t Scale
13.10.2020
Home »  HPC  »  Articles  » 
. Amdahl’s Law says the speedup is 1.00 (i.e., the starting point). Notice that as the number of processors increases, the wall clock time of the parallel portion decreases. The speedup a increases from 1.00

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