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33%
Whitepaper: AMD “Bulldozer” Architecture
10.11.2011
Home »  HPC  »  Vendors  »  AMD  » 
 
while an AMD Opteron™ processor model 6276 (16-core 2.3GHz) consumes only 6.4W in the active idle C1E power state with new C6 power gating employed. System configuration: "Drachma" reference design kit
33%
AlmaLinux and HPC
31.01.2024
Home »  HPC  »  Articles  » 
Information Process Standard (FIPS) 140-3 validation, which means AlmaLinux 9 is using approved algorithms for encryption, hashing, assigning, and so on. AlmaLinux’s move to ABI compatibility has freed it from
33%
Assess USB performance while exploring storage caching
13.12.2018
Home »  Archive  »  2018  »  Issue 48: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
is at all a concern. (See Brendan Gregg's table of computer speed in human time [3].) The operating system itself provides the most visible manifestation of this design in Linux: Any RAM not allocated
33%
Baselines are more important than  the  benchmark
06.10.2022
Home »  Archive  »  2022  »  Issue 71: Kuber...  » 
Lead Image © Lucy Baldwin, 123RF.com
the application has already shown undesirable behavior anyway. The iperf3 tool [3] is your go-to utility to test a network path's baseline, end to end. Found in the Ubuntu Universe repository (install with apt
33%
The weak spot of SBCs
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Lead Image © Lucy Baldwin, 123RF.com
(a SanDisk C10, U1, A1 microSDHC I with 16GB of capacity) shows the card handily exceeding its specified minimum limits (Figure 3). Testing demonstrated approximately 45MBps of throughput with a read
33%
Writing SELinux modules
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © Amy Walters, 123RF.com
policy modules that are available and active on the system. The file is stored below /etc/selinux: # ls -lh /etc/selinux/targeted/policy/total 3.6M -rw-r--r--. 1 root root 3.6M Mar 3 13:28 policy.29
33%
Denial of service defense
26.03.2025
Home »  Archive  »  2025  »  Issue 86: Data...  » 
Lead Image © Russell Shively, 123RF.com
a full HTTP request directly to the server, Slowloris begins a request and then continuously, but very slowly, adds headers without ever completing the request; (3) the server fields all of the header data
33%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
(One-by-One) 1 #include 2 3 /* Our structure */ 4 struct rec 5 { 6 int x,y,z; 7 float value; 8 }; 9 10 int main() 11 { 12 int counter; 13 struct rec my_record; 14 int counter_limit; 15
33%
Desktop Supercomputers: Past, Present, and Future
17.03.2021
Home »  HPC  »  Articles  » 
a maximum of 1,500W (20A circuit), and you could plug it into a standard 120V outlet. It had an additional graphics card, so you could plug in a monitor. This system sold for $69,000. The DGX Station has now
33%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
This first article of a series looks at the forces that have driven desktop supercomputing, beginning with the history of PC and supercomputing processors through the 1990s into the early 2000s. ... a “front-end” system to provide things such as I/O functionality. Examples of front-end systems were the Cray C90 or Y-MP. The T3D was something of a sea change for Cray. The first reason is that it moved ... This first article of a series looks at the forces that have driven desktop supercomputing, beginning with the history of PC and supercomputing processors through the 1990s into the early 2000s.

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