The Taliban’s 80,000 troops have retaken Afghanistan with cities falling like dominos while the 300,000-strong government forces, better equipped and trained, mostly melted and surrendered with no will to fight. Why did it happen?
Yuri Gagarin gained worldwide fame as the first man in space. But the unsung hero of the Soviet Union's triumph was a brilliant scientist called Sergei Korolev. Korolev remained in the shadows throughout his career and was only revealed to have masterminded the USSR's rocket wizardry after his death in 1966. Guest: Stephen Walker, author of Beyond: The Astonishing Story of The First Human to Leave Our Planet and Journey into Space (published by Harper Collins)
The full text of this essay is published as Fair Game by Carmel Bird - published by Finlay Lloyd The lithograph is a satirical (yet strangely poignant and lyrical) record of the arrival in Van Diemen’s Land in 1832 of the Princess Royal, the first ship to bring non-convict women from England to be the ‘wives…
It is fascinating seeing people in the 21st century, especially self-declared leftists, still lionizing George Orwell, the worst kind of reactionary turncoat. For years, the cat has been out of the…
For many years I managed the British and Irish literature section of McNally Jackson (McNally Jackson divides lit into regions, thus you do not go to any one ‘Fiction’ section, but must first identify the nationality of the author before commencing your search). As a consequence it meant that I was attuned to British and Irish publishing in a way I might otherwise not need to be as an Australian in America. I could recommend good books by the small presses we were table to stock, like
Teko is a package for development and implementation of block preconditioners. This includes support for manipulation and setup of block operators. Furthermore tools exist to support decomposition of a fully coupled operator. Additionally, facilities that allow the construction of approximate inverse operators using the full complement of available preconditioners and solvers are available in Teko. Finally, a small number of generic block preconditioners has been implemented in Teko, including block Jacobi, and block Gauss-Seidel. For the Navier-Stokes equation, Teko has implementations of SIMPLE, PCD and LSC. For details on these methods see Stabilization and Scalable Block Preconditioning for the Navier-Stokes Equations and the references therein
We perform Singular Value Decomposition (SVD) calculations on large datasets.
We modify the computation both by using fully precise and approximate methods, and by using both CPUs and GPUs.
In the end we compute an approximate SVD of 200GB of simulated data and using a mutli-GPU machine in 15-20 seconds.
Then we run this from a dataset stored in the cloud where we find that I/O is, predictably, a major bottleneck.
The way we write, ship, and maintain software today has evolved drastically in the last few years. Ho... Tagged with devops, docker, kubernetes, beginners.
Dynamic languages are useful tools. Scripting allows users to rapidly and succinctly tie together complex systems and express ideas without worrying about details like memory management or build systems.
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O. Hasan, W. Ahmed, S. Tahar, und M. Hamdi. Proceedings of the International Conference on Numerical Analysis and Applied Mathematics 2014 (ICNAAM-2014), AIP Publishing LLC, (2015)
A. Demenko, und R. Wojciechowski. COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, 28 (3):
691–699(Mai 2009)