Applied Parallel and Scientific Computing: 10th by Bo Kågström, Daniel Kressner, Meiyue Shao (auth.), Kristján
By Bo Kågström, Daniel Kressner, Meiyue Shao (auth.), Kristján Jónasson (eds.)
The quantity set LNCS 7133 and LNCS 7134 constitutes the completely refereed post-conference complaints of the tenth overseas convention on utilized Parallel and clinical Computing, PARA 2010, held in Reykjavík, Iceland, in June 2010. those volumes include 3 keynote lectures, 29 revised papers and forty five minisymposia displays prepared at the following issues: cloud computing, HPC algorithms, HPC programming instruments, HPC in meteorology, parallel numerical algorithms, parallel computing in physics, medical computing instruments, HPC software program engineering, simulations of atomic scale platforms, instruments and environments for accelerator established computational biomedicine, GPU computing, excessive functionality computing period tools, real-time entry and processing of huge facts units, linear algebra algorithms and software program for multicore and hybrid architectures in honor of Fred Gustavson on his seventy fifth birthday, reminiscence and multicore matters in clinical computing - idea and praxis, multicore algorithms and implementations for program difficulties, quick PDE solvers and a posteriori mistakes estimates, and scalable instruments for top functionality computing.
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Extra info for Applied Parallel and Scientific Computing: 10th International Conference, PARA 2010, Reykjavík, Iceland, June 6-9, 2010, Revised Selected Papers, Part I
On a Block Implementation of Hessenberg Multishift QR Iteration. Intl. J. of High Speed Comput. 1, 97–112 (1989) 4. : On Swapping Diagonal Blocks in Real Schur Form. Linear Algebra Appl. 186, 73–95 (1993) 5. : ScaLAPACK Users’ Guide. SIAM, Philadelphia (1997) 6. : The Multishift QR Algorithm. Part I: Maintaining Well-focused Shifts and Level 3 Performance. SIAM J. Matrix Anal. Appl. 23(4), 929–947 (2002) 7. : The Multishift QR Algorithm. Part II: Aggressive Early Deﬂation. SIAM J. Matrix Anal.
Kressner, and M. Shao References 1. : Parallel Variants of the Multishift QZ Algorithm with Advanced Deﬂation Techniques. , Wa´sniewski, J. ) PARA 2006. LNCS, vol. 4699, pp. 117–126. Springer, Heidelberg (2007) 2. : LAPACK User’s Guide, 3rd edn. SIAM, Philadelphia (1999) 3. : On a Block Implementation of Hessenberg Multishift QR Iteration. Intl. J. of High Speed Comput. 1, 97–112 (1989) 4. : On Swapping Diagonal Blocks in Real Schur Form. Linear Algebra Appl. 186, 73–95 (1993) 5. : ScaLAPACK Users’ Guide.
2). , number of shifts) can be diﬀerent. Since the parameters in PDLAQR0 largely depend on the block size in the block cyclic matrix data distribution of ScaLAPACK, PDLAQR0 can be a bit slower than LAPACK. For determining the cross-over point for switching from PDLAQR0 to PDLAQR1 in the main routine PDHSEQR, we also measured the execution time of PDLAQR0. The new implementation of PDLAQR1 turns out to require much less execution time than the old one, with a few, practically nearly irrelevant exceptions.