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17%
Planned Obsolescence Needs to be Obsolete
18.02.2018
Home »  Archive  »  2018  »  Issue 43: Real...  » 
 
out the window for tech that I'll have to replace in 12 to 18 months. And now we're told that certain vendors slow down tech that is only slightly out of date. That's taking planned obsolescence a bit
17%
MPI Apps with Singularity and Docker
18.03.2020
Home »  HPC  »  Articles  » 
. The simple MPI used is the classic 2D Poisson equation solver, poisson_mpi , which I procured from an online set of Fortran 90 examples. HPCCM HPC Container Maker (HPCCM) was used to create the specification
17%
Graph database Neo4j discovers fake reviews on Amazon
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Image by Gerd Altmann from Pixabay
five-star reviews that look very similar. The problem is so evident on Amazon that customers rub their eyes in amazement wondering why the online giant doesn't intervene. Graph databases can help
17%
News for Admins
05.02.2023
Home »  Archive  »  2023  »  Issue 73: Datab...  » 
 
.eu/one-step-closer-exascale-eurohpc-ju-and-forschungszentrum-julich-sign-hosting-agreement-exascale-2022-12-14_en) between the European High Performance Computing Joint Undertaking (EuroHPC JU
17%
Planning Performance Without Running Binaries
02.02.2021
Home »  Archive  »  2021  »  Issue 61: Secur...  » 
Lead Image © Lucy Baldwin, 123RF.com
theoretical speedup can't exceed 2x, as you see in Figure 2. Furthermore, it's not practical to use more than 12 cores to run this code, because it can attain more than 90 percent of the maximum theoretical
17%
Tuning I/O Patterns in Python
18.12.2013
Home »  HPC  »  Articles  » 
common in HPC to illustrate these differences: C, Fortran 90, and Python (2.x series). I run the examples on a single 64-bit system with CentOS 6.2 using the default GCC compilers, GCC and GFortran (4
17%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
fashion when promised double-digit speedups like 10x by a vendor who has yet to see your code. Accomplishing a 10x speedup requires that 90 percent of the execution time be parallelized. The span of your
17%
Many approaches help secure a web server
16.08.2018
Home »  Archive  »  2018  »  Issue 46: CMS S...  » 
Lead Image © alexwhite, 123RF.com
. The full 100 points are currently only available if you only use TLS 1.2. Since this excludes older clients (Android older than 4.4 or Internet Explorer older than 11), you should also activate TLS 1 and TLS
17%
Linux device mapper writecache
30.01.2020
Home »  Archive  »  2020  »  Issue 55: AWS L...  » 
Lead Image © lightwise, 123R.com
Fmt Attr PSize PFree /dev/nvme0n1 vg-cache lvm2 a-- 232.88g 232.88g /dev/sdb vg-cache lvm2 a-- <6.37t <6.37t Say I want to use 90 percent of the slow disk: I will carve a logical
17%
Warewulf 4 – Environment Modules
20.03.2023
Home »  HPC  »  Articles  » 
, gnu  has versions 8.5 and 12.2. The label after each compiler version (f) indicates that these are files. Figure 2 shows the path (in green) to the file when loading the gnu/8.5  module. After loading

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