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mpi4py – high-performance distributed Python
30.11.2020
Home »  Archive  »  2020  »  Issue 60: Secur...  » 
Lead Image © liu liming, 123RF.com
): 11 12 s = 0.0 13 s += h * f(a) 14 for i in range(1, n): 15 s += 2.0 * h * f(a + i*h) 16 # end for 17 s += h * f(b) 18 return (s/2.) 19 # end def 20 21 22 # Main section 23 comm = MPI
8%
Warewulf 4 – Time and Resource Management
17.01.2023
Home »  HPC  »  Articles  » 
:  ohpc-slurm-client          x86_64 2.6-7.1.ohpc.2.6                      OpenHPC-updates 6.9 k Installing dependencies:  cairo                      x86_64 1.15.12-6.el8                         appstream
8%
OpenACC – Data Management
07.02.2019
Home »  HPC  »  Articles  » 
), so there is no need to manage memory because it’s already in the same pool. For the case where the accelerator has its own memory, data needs to be migrated between the CPU and the GPU (accelerator
8%
Getting started with I/O profiling
30.11.2025
Home »  Archive  »  2012  »  Issue 08: FreeNAS  » 
© Photosani, Fotolia.com
of read requests issued to the device per second. w/s : Number of write requests issued to the device per second. rMB/s : Number of megabytes read from the device per second. wMB/s : Number
8%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
network adapters, one for administration and one for the web server. I gave the system 1GB memory, but it has not yet used more than 200MB. Then, boot the image. You have several choices: Add
8%
LXC 1.0
03.12.2015
Home »  Archive  »  2015  »  Issue 30: OpenD...  » 
Lead Image © designpics, 123RF.com
Linux containers have been fully functional since kernel 2.6.29. However, Linux has had containers in the form of Virtuozzo [1] and OpenVZ [2] for some time. The difference is that the Linux kernel
8%
Logical Bombs for Fun and Benchmarking
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
such invocation is essentially a pure processor workload that will maximally use up to one CPU core while taking up close to zero I/O or memory resources. The top [3] command displays a perfect 1.00 load average
8%
Udev with virtual machines
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © orangeline, 123RF.com
-persistent-net-generator.rules openSUSE, Red Hat 6 * /etc/udev/rules.d/70-persistent-net.rules* No net generator rules since 12.3. Instead, the biosdevname package is used to identify the NICs
8%
Gathering Data on Environment Modules
10.09.2012
Home »  HPC  »  Articles  » 
for user running script uid=$(id -ur) gid=$(id -gr) # This returns time in seconds since 1970-01-01 00:00:00 UTC time=$(date +"%s") # Create final string for output to file final
8%
File Compression for HPC
10.11.2021
Home »  HPC  »  Articles  » 
 package-list.txt Output filename is: package-list.txt.lrz package-list.txt - Compression Ratio: 2.604. Average Compression Speed:  0.000MB/s. Total time: 00:00:00.04 By default, lrzip does not overwrite the original file

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