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29%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
, repeating the measurement 100,000 times leads to an approximate time measurement of 6ns for the round n Figure 4: Bench testing round() in C: 6.23ns fast
29%
Parallel Shells: Run Commands on Multiple Nodes
02.07.2014
Home »  HPC  »  Articles  » 
to do on a single node can be done on a large number of nodes using a parallel shell tool. If you try to use a parallel shell on a 50,000-node cluster, however, the time skew could be large enough
29%
PowerTOP
21.10.2011
Home »  Articles  » 
 
(up to version 2.6.20) use a fixed heartbeat of 1,000Hz. On each tick, the kernel wakes up the processor and checks for any work to do. This approach obviously limits power savings. Starting
29%
Operating large language models in-house
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
Photo by Conner Baker on Unsplash
series, which were originally developed for gaming and professional visualization but are also suitable for AI because of their good compute power and CUDA compatibility. With 24GB of GDDR6X memory and up
29%
GNU Parallel: Multicore at the Command Line with GNU Parallel
04.11.2011
Home »  HPC  »  Articles  » 
Recent trends in computing are toward more cores doing more tasks at once. These days, you are likely to have a dual- or quad-core CPU in your laptop, and perhaps 4, 6, 12, or 16 cores in your
29%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
=> /lib64/libpthread.so.0 (0x00007f5bc524a000) libpgc.so => /opt/pgi/linux86-64/16.10/lib/libpgc.so (0x00007f5bc4fc2000) librt.so.1 => /lib64/librt.so.1 (0x00007f5bc4dba000) libm.so.6 => /lib64
29%
Denial of Service in the Cloud
12.11.2013
Home »  Articles  » 
to CloudFlare CEO Matthew Prince, the DDoS attack on Spamhaus was triggered by 36-byte data packets, each of which triggered a 3,000-byte response. Although a normal desktop PC can handle about 1,000 DNS
29%
Supercomputing Conference 2024
26.01.2025
Home »  Archive  »  2025  »  Issue 85: Monit...  » 
Lead Image © djem, 123RF.com
SC24 took place in Atlanta, GA, November 17-22. As I'm writing this, 17,959 attendees – that's 3,000+ more than last year – registered. More than 500 companies filled the exhibition floor, which
29%
Linux Local and Network Filesystems
07.01.2024
Home »  HPC  »  Articles  » 
    0 349.7M  1 loop /snap/gnome-3-38-2004/143 loop4    7:4    0 485.5M  1 loop /snap/gnome-42-2204/120 loop5    7:5    0   497M  1 loop /snap/gnome-42-2204/141 loop6    7:6    0  81.3M  1 loop
29%
Comparing startup times of Linux distros in the cloud
27.09.2021
Home »  Archive  »  2021  »  Issue 65: 7 Em...  » 
Lead Image © Lucy Baldwin, 123RF.com
(20.04) ami-000b3a073fc20e415 9.934 4.938 14.872 Fastest and Slowest The slowest numbers were posted on RHEL 8 with nearly 70 seconds, to the consternation

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