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27%
Selecting compilers for a supercomputer
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
Lead Image Photo by Michal Kmet on Unsplash
with approximately 8,200 cores each, and six newer islands with 14,300 cores each. It achieves a speed of around 6 petaFLOPS (10^15 floating-point operations per second). In total, almost 500TB of main memory
27%
VPN clients for Android and iOS
05.12.2016
Home »  Archive  »  2016  »  Issue 36: Autom...  » 
Lead Image © fckncg, 123RF.com
to the local network. The app also supports IPv6, but is not set up using mobile device management (MDM, i.e., security software used by the IT department to manage and secure mobile devices
27%
CPU affinity in OpenMP and MPI applications
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Lead Image © podfoto, 123RF.com
for the CPUs: -----------text01 code $ cat /sys/devices/system/cpu/cpu0/topology/thread_siblings_list 0,32 If the first number in the output [6] is equal to the CPU number in the command, then it's a real core
27%
Singularity – A Container for HPC
21.04.2016
Home »  HPC  »  Articles  » 
. The . sapp container is a little larger than the previous ones. > ls -sh total 6.1M 16K hello 4.0K hello.f90 6.0M hello_mpi.sapp 4.0K hello_mpi.sspec 4.0K hostfile Executing the container is very
27%
Finding Memory Bottlenecks with Stream
25.09.2013
Home »  HPC  »  Articles  » 
the code states should be good enough for caches up to 20MB. The Stream FAQ recommends you use a problem size such that each array is four times the sum of the caches (L1, L2, and L3). You can either change
27%
Server virtualization with Citrix XenServer
04.08.2011
Home »  CloudAge  »  Articles  » 
 
the biggest rentable cloud today: the Amazon Web Service. Based on this extremely mature technology, Citrix launched Version 5.6 of its XenServer product family in May 2010. XenServer, the product built around ... Version 5.6 of Citrix XenServer is a feature-stripped version of the virtualization product and is available free, in addition to the commercial Advanced, Enterprise, and Platinum editions.
27%
Single sign-on like the big guys
20.06.2022
Home »  Archive  »  2022  »  Issue 69: Terra...  » 
Lead Image © Sergey Nivens, 123RF.com
_ADMIN=admin 10 - KEYCLOAK_ADMIN_PASSWORD=SOME_PASSWORD 11 - KC_DB=postgres 12 - KC_DB_URL=jdbc:postgresql://postgres:5432/keycloak 13 - KC_DB_USERNAME=postgres 14 - KC
27%
The Cuckoo sandboxing malware analysis tool
17.04.2017
Home »  Archive  »  2017  »  Issue 38: .NET...  » 
Lead Image © Tom Baker, 123RF.com
.auxiliary.sniffer] INFO: Started sniffer with PID 9360 (interface=virbr0, host=192.168.122.10, pcap=/home/tscherf/cuckoo/cuckoo/storage/analyses/6/dump.pcap) tcpdump: listening on virbr0, link-type EN10MB (Ethernet
27%
Processor and Memory Affinity Tools
14.09.2021
Home »  HPC  »  Articles  » 
 $(find /sys/devices/system/cpu -regex ".*cpu[0-9]+/topology/thread_siblings_list") | sort -n | uniq 0,32 1,33 2,34 3,35 4,36 5,37 6,38 7,39 8,40 9,41 10,42 11,43 12,44 13,45 14,46 15,47 16,48 17,49 18,50 19,51 20,52 21,53 22,54 23,55 24,56 25
27%
Lustre HPC distributed filesystem
07.04.2022
Home »  Archive  »  2022  »  Issue 68: Autom...  » 
Photo by Efe Kurnaz on Unsplash
_time update ) Persistent mount opts: user_xattr,errors=remount-ro Parameters: checking for existing Lustre data: not found device size = 48128MB formatting backing filesystem ldiskfs on /dev/sdb target

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