Questions tagged [hardware]
The hardware tag has no summary.
8 questions
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AMD Epyc F or X variant for MODFLOW?
I'm trying to choose a processor type for an HPC cluster for calculations with MODFLOW 6 (extended version). I'm looking at the F and X variants of AMD Epyc processors. The F variant has a higher ...
1
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0
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Sequential Analog Computers?
I was wondering whether there have been any documented uses of computer systems which work with fully analog values in a discrete time space.
Classical analog computers usually operate with fully ...
3
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1
answer
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Recommended CPU for CFD running parallel, FDS (Fire Dynamics Simulator)
I am purchasing a new workstation to run FDS (Fire Dynamics Simulator) simulations, a CFD code for thermally driven fluid flow.
Currently, I am using an Ubuntu Linux build with a Xeon E5-2630 v3 @ 2....
0
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Solving huge dense square symmetric linear system
I have a linear system of the type
$A x = y$
where A is a dense, square, symmetric, positive definite matrix, $x$ a vector of unknown parameters, and $y$ is a vector of observed quantity.
I know that ...
6
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4
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1k
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How important is learning hardware/architecture for scientific computing?
Apologies if this is a bit of a soft, unclear, or opinion-based question. I'm a relatively new PhD student in a (computational) quantum chemistry group. My group develops and maintains a few software ...
31
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4
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10k
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Is half precision supported by modern architecture?
I am new to computer science and I was wondering whether half precision is supported by modern architecture in the same way as single or double precision is. I thought the 2008 revision of IEEE-754 ...
1
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1
answer
139
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Numerical bottlenecks
On a desktop scale computer, what are the most important bottlenecks (RAM vs. CPU, single vs. multithread) for numerical calculations? I'm specifically most interested in exact diagonalization and ...
6
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1
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876
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Consumer hardware for scientific computing?
I'm interested in problems around probability, statistics, and statistical mechanics, and often I find it useful to perform simulations to get some sense of the underlying phenomena. Example ...