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19%
Tuning loops – from loop unrolling to Duff's device
28.07.2025
Home »  Archive  »  2025  »  Issue 88: 5 Net...  » 
for (i = 0; i < n; i++) { 05 for (k = 0; k < n; k++) { 06 float sum = 0.0f; 07 08 #pragma unroll (4) 09 10 for(j = 0; j < n; j++) 11 sum += src1
19%
Parallel Python with Joblib
08.04.2014
Home »  HPC  »  Articles  » 
| elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2.3s remaining: 3.5s
19%
Parallelizing and memorizing Python programs with Joblib
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
)]: Done 1 out of 181 | elapsed: 0.0s remaining: 4.5s [Parallel(n_jobs=2)]: Done 198 out of 1000 | elapsed: 1.2s remaining: 4.8s [Parallel(n_jobs=2)]: Done 399 out of 1000 | elapsed: 2
19%
What Is an Inode?
23.03.2022
Home »  HPC  »  Articles  » 
-34-1804/72 /dev/loop7         17441    17441         0  100% /snap/gnome-3-38-2004/87 /dev/nvme1n1p1  62513152  7087560  55425592   12% /home /dev/nvme0n1p1         0        0         0     - /boot/efi /dev/loop8         17495    17495         0
19%
Run One Program at any Scale with Legate
08.06.2021
Home »  HPC  »  Articles  » 
Py code, but just in case you have not, this quick example creates an “empty” 2D array of size nx by ny : import numpy as np nx = 10 ny = 10 a = np.empty((nx,ny)) type(a) Array a is of data type numpy
19%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
processors running at 167MHz. It had options for 128, 256, or 512MB of SRAM main memory and was the first supercomputer to sustain greater than 1GFLOPS (10^9 floating point operations per second
19%
What's your status (page)?
28.11.2023
Home »  Archive  »  2023  »  Issue 78: Domai...  » 
Lead Image © Tatiana Venkova, 123RF.com
://google.com"}}, 10c7 < "label": "localhost PING/PORT/HTTP Tests", --- > "label": "opensearch PING/PORT/HTTP Tests", 12,30c9,28 < { < "type": "PING", < "params": { < "hostname": "129.0.0
19%
Detect failures and ensure high availability
22.05.2023
Home »  Archive  »  2023  »  Issue 75: Teamwork  » 
Photo by Tim Foster on Unsplash
). Listing 1 Test Ping §§nonuber petros@ubu22042-1:~$ ping ubu22042-2 PING ubu22042-2 (10.0.0.62) 56(84) bytes of data. 64 bytes from ubu22042-2 (10.0.0.62): icmp_seq=1 ttl=64 time=0.505 ms 64 bytes
19%
Building a HPC cluster with Warewulf 4
04.04.2023
Home »  Archive  »  2023  »  Issue 74: The F...  » 
Photo by Andrew Ly on Unsplash
.pool.ntp.org driftfile /var/lib/chrony/drift makestep 1.0 3 rtcsync allow 10.0.0.0/8 local stratum 10 keyfile /etc/chrony.keys leapsectz right/UTC logdir /var/log/chrony I pointed the head node to 2.rocky
19%
How to configure and use jailed processes in FreeBSD
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Corina Rosu, 123RF.com
to jail>; 10 j.hostname = ; 11 j.ip_number = ; 12 /* call system call */ 13 i = jail(&j); 14 [...] 15 execv(, ...); 16 [...] 17 exit(0); 18

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