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30%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
a = 100.0*np.random.random((N,N)) a.astype(np.float64) print("a[5,5] = ",a[5,5]," type = ",a[5,5].dtype) np.save('double', a) b = np.copy(a) b = b.astype(np.float32) print("b[5,5] = ",b[5,5]," type = ",b[5
30%
Setting up your own NAS with FreeNAS 8.0.2
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Vitalii Gulenok, 123RF.com
the older UFS filesystem rather than ZFS. Built-In RAID With FreeNAS, you can set up software RAID levels 0, 1, 3, and higher, but again, you need to be aware that hardware RAIDs are faster and safer ... Setting up your own NAS with FreeNAS 8.0.2
30%
GNU tools under Windows
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Markus Gann, 123RF.com
to the Windows desktop, but at a little less than 10MB, it is much more compact than Cygwin's 100MB and is also easier to install. Alternatives MobaXterm: A previous article [3] introduced Moba
30%
High availability clustering on a budget with KVM
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Yulia Saponova, 123RF.com
Manager (CLVM) is used to mount the shared storage. Architecture The two physical cluster nodes in this article each have four network cards: eth0 through eth3 . The first (eth0 ), and third (eth2 ... 0
30%
Read-only file compression with SquashFS
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © modella, 123RF.com
:31 FS_scan.csv $ gzip -9 FS_scan.csv $ ls -lsah FS_scan.csv.gz 268K -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9
30%
Why Good Applications Don't Scale
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © man64, 123RF.com
: In Equation 1, a is the application speedup, n is the number of processors, and p is the "parallel fraction" of the application (i.e., the fraction of the application that is parallelizable), ranging from 0
30%
Secure access to Kubernetes
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Zachery Blanton, 123RF.com
GVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiJiNDVhMDhjMi1kMzg1LTQxMmItOTUwNS02YmRmODdiNjRhN2EiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6ZGVmYXVsdDp0ZXN0c2VydmljZWFjY291bnQifQ.SO9XwM3zgiW6sOfEaJx1P6
30%
Managing cluster software packages
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
© victoroancea, 123RF.com
, with NOMODULES set, no modules are available: Listing 2 Setting NOMODULES $ module list Currently Loaded Modulefiles: 1) fftw/3.3.2/gnu4 2) mpich2/1.4.1p1/gnu4 $ ssh n0 $ module list Currently
30%
Managing virtual machines
30.11.2025
Home »  Archive  »  2012  »  Issue 09: Windo...  » 
© Igor Klimov, 123RF.com
filesystem, if so desired [5]: $ guestfish -N fs:ext3 When you call Guestfish with the new image, $ guestfish -a you are taken to a shell where you first need to enter run to toggle the system
30%
Cloud Orchestration with Cloudify
20.03.2014
Home »  Archive  »  2014  »  Issue 19: Perim...  » 
Lead Image © alenavlad, 123RF.com
on virtual machines. In fact, most of what you will find in Cloudify recipes can be achieved by integrating Chef Cookbooks. Looking Forward: Cloudify 3.0 The current Cloudify version 2.6 has already been

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