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mpi4py – high-performance distributed Python

30.11.2020

Home » Archive » 2020 » Issue 60: Secur... »

processes is shown in Listing 6. Notice that processes 3 and 4 didn't contribute or do anything. Listing 5 Point-to-Point 01 import numpy 02 from mpi4py import MPI 03 04 05 comm = MPI

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Goodbye virtual machines, hello microVMs

06.10.2022

Home » Archive » 2022 » Issue 71: Kuber... »

([hostPort:]containerPort) ubuntu1804 1 weaveworks/ignite-ubuntu:18.04 weaveworks/ignite-kernel:5.13.3 2 2G 20G 22,38080,52812,58080 centos8 1 weaveworks/ignite-centos:8 weaveworks/ignite-kernel:5.13.3 2 2G

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Accessing Fortran code with Python

05.12.2019

Home » Archive » 2019 » Issue 54: NVMe... »

.multiply_(byref(a), byref(b)) print add.addtwo_(byref(a), byref(b)) The output from the Python code is: $ python3 testfunc.py 8 6 If you like, you can write a simple Python wrapper function for the shareable objects

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System temperature as a dimension of performance

28.11.2022

Home » Archive » 2022 » Issue 72: OpenS... »

Pentium 3 processor. The cause was a detached heat sink, and some older hardware did not have built-in protection circuitry back then. I have also had fun experiencing intriguing boot failures from

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Verifying your configuration

05.02.2023

Home » Archive » 2023 » Issue 73: Datab... »

: lt: 90 port: tcp:22: listening: true ip: - 0.0.0.0 tcp6:22: listening: true ip: - '::' user: sshd: exists: true package: docker-ce: installed: true service

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How to configure and use jailed processes in FreeBSD

14.03.2013

Home » Archive » 2013 » Issue 13: IPv6... »

are available to let administrators manage jails on the host system [6]. Here's a brief look: jail [-i] [-l -u | -U ] : Starts a jail

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Flatpak, Snap, and AppImage

09.06.2018

Home » Archive » 2018 » Issue 45: Autom... »

of the technology. However, there is a solution one size smaller. Youngsters The introduction of the DEB [2] and RPM [3] package formats coincided with the birth of the major distributions Debian and Red Hat

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Tuning I/O Patterns in C

31.07.2013

Home » HPC » Articles »

Code Example 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

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Data Analysis with R and Python

17.02.2015

Home » Archive » 2015 » Issue 25: Safe... »

: 15 collec.insert({"name":row[0],"observer":row[1],"type":row[2],"period":\ pfl(row[3]), "ecc":pfl(row[4]),"semaj_axs":pfl(row[5]), \ "perih_dist":pfl(row[6]), "incl":pfl(row[7

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News for Admins

30.05.2021

Home » Archive » 2021 » Issue 63: Autom... »

Linux will be a community-based 1:1 binary replacement for Red Hat Enterprise Linux and currently ships with Gnome 3.32, Linux kernel 4.18.0-240.22.1.el8, SQLite 3.26, virt-what 1.18, Samba 4.12.3, DNF 4

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