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18%
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
18%
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
18%
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
18%
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
18%
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
18%
Secure access to Kubernetes
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © Zachery Blanton, 123RF.com
GVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC51aWQiOiJiNDVhMDhjMi1kMzg1LTQxMmItOTUwNS02YmRmODdiNjRhN2EiLCJzdWIiOiJzeXN0ZW06c2VydmljZWFjY291bnQ6ZGVmYXVsdDp0ZXN0c2VydmljZWFjY291bnQifQ.SO9XwM3zgiW6sOfEaJx1P6
18%
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
18%
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
18%
Managing Cluster Software Packages
12.02.2013
Home »  HPC  »  Articles  » 
Modulefiles: 1) fftw/3.3.2/gnu4 2) mpich2/1.4.1p1/gnu4 $ ssh n0 $ module list Currently Loaded Modulefiles: 1) fftw/3.3.2/gnu4 2) mpich2/1.4.1p1/gnu4 $ exit $ export NOMODULES=1 $ ssh n0 $ module list
18%
Tools to Manage Storage
03.02.2024
Home »  HPC  »  Articles  » 
                                938G  718G  173G  81% /home /dev/nvme0n1p1                                511M  6.1M  505M   2% /boot/efi /dev/sda1                                     5.5T  3.1T  2.1T  60% /home2 192.168.4.100:/home

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