نتایج جستجو برای: cyclic parallel

تعداد نتایج: 320785  

Journal: :The Journal of Experimental Medicine 1981
C M Winslow R A Lewis K F Austen

Stereo-specific perturbation of the IgE-receptor (shown in previous studies) produces a monophasic rise in cyclic AMP that peaks at 15 s and a depletion of cyclic AMP-dependent protein kinase that plateaus at 30-60 s. The previously observed linear relationship between the attenuation in the monophasic rise in cyclic AMP and the quantity of mediator release in the presence of incremental concen...

Journal: :IEEE Trans. Parallel Distrib. Syst. 1999
Antoine Petitet Jack J. Dongarra

This research aims at creating and providing a framework to describe algorithmic redistribution methods for various block cyclic decompositions. To do so properties of this data distribution scheme are formally exhibited. The examination of a number of basic dense linear algebra operations illustrates the application of those properties. This study analyzes the extent to which the general two-d...

2014
Meisam Razaviyayn Mingyi Hong Zhi-Quan Luo Jong-Shi Pang

Consider the problem of minimizing the sum of a smooth (possibly non-convex) and a convex (possibly nonsmooth) function involving a large number of variables. A popular approach to solve this problem is the block coordinate descent (BCD) method whereby at each iteration only one variable block is updated while the remaining variables are held fixed. With the recent advances in the developments ...

2000
Michiel Ronsse Koen De Bosschere Jacques Chassin de Kergommeaux

As most parallel and distributed programs are internally non-deterministic – consecutive runs with the same input might result in a different program flow – vanilla cyclic debugging techniques as such are useless. In order to use cyclic debugging tools, we need a tool that records information about an execution so that it can be replayed for debugging. Because recording information interferes w...

1997
Laurence T. Yang

In this paper we study the parallelization of CGLS, a basic iterative method for large and sparse least squares problems whose main idea is to organize the computation of conjugate gradient method to normal equations. A performance model of computation and communication phases with isoeeciency concept are used to analyze the qualitative scalability behavior of this method implemented on massive...

2006
JIN SHA MINGLUN GAO ZHONGJIN ZHANG LI ZHONGFENG WANG

Low-Density Parity-Check (LDPC) code is one kind of prominent error correcting codes (ECC) being considered in next generation industry standards. The decoder implementation complexity has been the bottleneck of its application. This paper presents an implementation of Quasi-Cyclic Low-Density Parity-Check decoder by using FPGA. Modified Min-Sum decoding algorithm is applied to reduce the memor...

Journal: :international journal of civil engineering 0
s.h.r. kargar ph.d candidate, iran university of science and technology and islamic azad university-kermanshah branch h. shahnazari assistant professor, collage of civil engineering, iran university of science and technology h. salehzadeh assistant professor, collage of civil engineering, iran university of science and technology

in this study, a researching program is conducted by cyclic triaxial test to determine the post-cyclic behavior of bushehr carbonate sand retrieved from the north of the persian gulf, under anisotropic consolidation at 200 kpa confining pressure. the article compares the post-cyclic monotonic strength and excess pore water pressures generated after the test with the pre-cyclic monotonic results...

Journal: :Plant & cell physiology 2005
Nataliya Yeremenko Robert Jeanjean Peerada Prommeenate Vladimir Krasikov Peter J Nixon Wim F J Vermaas Michel Havaux Hans C P Matthijs

Open reading frame ssr2016 encodes a protein with substantial sequence similarities to PGR5 identified as a component of the antimycin A-sensitive ferredoxin:plastoquinone reductase (FQR) in PSI cyclic photophosphorylation in Arabidopsis thaliana. We studied cyclic electron flow in Synechocystis sp. PCC 6803 in vivo in ssr2016 deletion mutants generated either in a wild-type background or in a ...

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