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18%
Parallel I/O Chases Amdahl Away
12.09.2022
Home »  HPC  »  Articles  » 
 = np.random.rand(nx,ny)*100.0   # Random data in arrayy       np.save(filename, a) # Write data to file       print("    Just finished writing file, ",filename,".npy") # end for The code in Listing 2 reads the five files
18%
Storage trends for taming the flood of data
27.09.2024
Home »  Archive  »  2024  »  Issue 83: Storage  » 
Lead Image © Natalia Lukiyanova, 123RF.com
, for example, the waste of storage space and energy and the unnecessary effect on service life when writing to SSDs. When you transfer 1MB to an SSD, the drives actually writes considerably more data
18%
PostgreSQL Replication Update
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © Golkin Oleg, 123RF.com
can only accomplish this by rolling back one of the two transactions ex post (i.e., after the commit). For example, suppose you have $100 in a joint bank account and two people want to withdraw $90
18%
Debian's quest for reproducible builds
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Author, 123RF.com
numbering 21,365 from a total of 24,135 were reproducible in Debian, which corresponds to an average of 88.5 percent in the individual branches. "Testing," with more than 90 percent, does better than
18%
Saving Storage Space with Reduced Precision
19.06.2023
Home »  HPC  »  Articles  » 
round to even Round to the nearest value, ties round away from zero Directed rounding toward 0 Directed rounding toward +infinity Directed rounding toward −infinity Converting from FP64
18%
Energy efficiency in the data center
03.08.2023
Home »  Archive  »  2023  »  Issue 76: Energ...  » 
Photo by Ussama Azam on Unsplash
supplied to the devices – is a common method for calculating the cost of an infrastructure. With a theoretical PUE value of 1.0, the components would receive 100 percent of the energy used in the data center
18%
Platform independence with PowerShell Core
09.06.2018
Home »  Archive  »  2018  »  Issue 45: Autom...  » 
Lead Image Photo by Harli Marten on Unsplash
set larger than 5MB: > Get-Process | Where-Object -FilterScript { $_.WS -gt 5MB } | Stop-Process The native solution on Linux would be a complex combination of Bash, AWK, and Grep. The Power ... Microsoft has broken new ground with the release of PowerShell Core 6.0, which at heart is a complete reboot in terms of architecture and objectives. For the first time, a new version is not linked ... PowerShell Core 6.0
18%
Tools for hardware diagnostics under Windows
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © blas, Fotolia.com
Windows versions from NT 4.0 and the current versions come with the msinfo32 command-line program, which reports a first look of the machine hardware. The program offers a good overview of the available
18%
Migrating CentOS to Rocky Linux with migrate2rocky
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Photo by Ray Hennessy on Unsplash
distributions based on RHEL 8, the migration process is fairly simple. The first step is to make sure you have enough space on your partitions: 250MB on /usr , 1.5GB on /var , and 50MB on /boot . Failure
18%
HPC Storage – I/O Profiling
26.01.2012
Home »  HPC  »  Articles  » 
. rMB/s: Number of megabytes read from the device per second. wMB/s: Number of megabytes written to the device per second. avgrq-sz: Average size (in sectors) of the requests issued to the device

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