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by Shahram
Mon Feb 19, 2018 4:20 pm
Forum: Parallel Programming and Clusters
Topic: Message Passing Interface (MPI)
Replies: 13
Views: 865

Re: Message Passing Interface (MPI)

In last few days new update in linux has killed a lot of programs. I can't run mpi. I receive errors like "segmentation error, signal 11" or "can't find executable file". This is a good command to check for : who is running mpirun on your system: update-alternatives --config mpir...
by Shahram
Sun Feb 18, 2018 11:05 am
Forum: News
Topic: Forum News
Replies: 2
Views: 290

Re: Forum News

New extensions are installed to make it easy to see new updates and receive news feed ! 8-) :twisted: :evil: :D
by Shahram
Sat Feb 17, 2018 11:16 am
Forum: Theoretical Toolbox
Topic: Peano- Hilbers Space-filling Curve
Replies: 0
Views: 8

Peano- Hilbers Space-filling Curve

A Hilbert curve (also known as a Hilbert space-filling curve) is a continuous fractal space-filling curve first described by the German mathematician David Hilbert in 1891, as a variant of the space-filling Peano curves discovered by Giuseppe Peano in 1890. Because it is space-filling, its Hausdorf...
by Shahram
Fri Feb 16, 2018 8:59 pm
Forum: News
Topic: Forum News
Replies: 2
Views: 290

Re: Forum News

Now you can watch youtube videos directly on forum. You can post videos on your post too. To do that you just need to add video ID. For example if video URL is: https://www.youtube.com/watch?v=XnMlSbELUh4 its id is: XnMlSbELUh4 and you just need to put this ID between youtube tag. Due to large numbe...
by Shahram
Fri Feb 16, 2018 8:29 pm
Forum: Theoretical Toolbox
Topic: Radiative transfer theory
Replies: 1
Views: 6

Re: Radiative transfer theory

Radiative transfer in astrophysics (Master/PhD Course)

http://www.ita.uni-heidelberg.de/~dullemond/lectures/radtrans_2012/index.shtml
by Shahram
Fri Feb 16, 2018 8:28 pm
Forum: Theoretical Toolbox
Topic: Radiative transfer theory
Replies: 1
Views: 6

Radiative transfer theory

Introduction Radiative transfer is one of the cornerstones of astronomy. Any radiation we receive from an astrophysical object has been processed by that object through radiative transfer. Therefore, in order to interpret observations in terms of the geometry, temperature, dynamics and composition ...
by Shahram
Fri Feb 16, 2018 11:20 am
Forum: Parallel Programming and Clusters
Topic: Amdahl's law
Replies: 0
Views: 7

Amdahl's law

In computer architecture, Amdahl's law (or Amdahl's argument) is a formula which gives the theoretical speedup in latency of the execution of a task at fixed workload that can be expected of a system whose resources are improved. It is named after computer scientist Gene Amdahl. Amdahl's law is oft...
by Shahram
Mon Feb 12, 2018 10:35 pm
Forum: Parallel Programming and Clusters
Topic: Unified Parallel C (UPC)
Replies: 2
Views: 20

Re: Unified Parallel C (UPC)

Berkeley UPC User's Guide version 2.26.0
http://upc.lbl.gov/docs/user/index.shtml

UPC Documentation
http://upc.gwu.edu/documentation.html
by Shahram
Mon Feb 12, 2018 9:53 pm
Forum: Parallel Programming and Clusters
Topic: Unified Parallel C (UPC)
Replies: 2
Views: 20

Unified Parallel C (UPC)

Unified Parallel C (UPC) is an extension of the C programming language designed for high-performance computing on large-scale parallel machines, including those with a common global address space (SMP and NUMA) and those with distributed memory (e.g. clusters). The programmer is presented with a si...

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