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- ArticleAugust 1989
A comparison study of automatically vectorizing Fortran compilers
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 820–825https://doi.org/10.1145/76263.76356The performance of current vector processing supercomputers is highly dependent on the capabilities of their automatically vectorizing Fortran compilers to generate efficient vector code. In this paper we shall focus on the performance of these ...
- ArticleAugust 1989
Performance analysis of high-speed computers
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 797–808https://doi.org/10.1145/76263.76354The choice of a computer system depends on many factors of which one of the most important criterion is the performance. In scientific/engineering environments where high-speed (mini)supercomputers are widely used, performance evaluation process is very ...
- ArticleAugust 1989
Vector performance analysis of three supercomputers: Cray 2, Cray Y-MP, and ETA 10-Q
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 779–788https://doi.org/10.1145/76263.76352This paper presents the results of a series of experiments to study the single processor performance of three supercomputers: Cray-2, Cray Y-MP, and ETA10-Q. The main object of this study is to determine the impact of certain architectural features on ...
- ArticleAugust 1989
Computing performance as a function of the speed, quantity, and cost of the processors
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 759–764https://doi.org/10.1145/76263.76349Everyone wants more computing power for their applications, and the industry has responded in two ways: first by increasing the speed of single CPU's, and second by deploying multiple processors in parallel. Much controversy exists over how best to ...
- ArticleAugust 1989
High performance file system for supercomputing environment
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 747–756https://doi.org/10.1145/76263.76348SUPER-UX is a high performance UNIX operating system for NEC SX-3/SX-X supercomputer and has many enhanced facilities to make available the maximum SX-3/SX-X computing power (peek speed of 22GFLOPS) to users. This paper presents the SUPER-UX file system,...
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- ArticleAugust 1989
Multiple crossbar network integrated supercomputing framework
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 713–720https://doi.org/10.1145/76263.76344At Los Alamos National Laboratory, site of one of the world's most powerful scientific supercomputing facilities, a prototype network for an environment that links supercomputers and workstations is being developed. Driven by a need to provide graphics ...
- ArticleAugust 1989
Optimal selection theory for superconcurrency
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 699–703https://doi.org/10.1145/76263.76342This paper describes a mathematical programming approach to finding an optimal, heterogeneous suite of processors to solve supercomputing problems. This technique, called superconcurrency, works best when the computational requirements are diverse and ...
- ArticleAugust 1989
UNIX security in a supercomputing environment
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 693–698https://doi.org/10.1145/76263.76341The UNIX@@@@ operating system is designed for collaborative work and not for security. Vendors have modified this operating system (in some cases, radically) to provide levels of security acceptable to their customers, but the versions used in ...
- ArticleAugust 1989
LIMITS-a system for UNIX resource administration
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 686–692https://doi.org/10.1145/76263.76340The UNIX operating system, despite its emergence as a standard for supercomputer systems, lacks effective support for multiuser resource administration. The design and implementation of a decentralised resource administration system uniformly realisable ...
- ArticleAugust 1989
Visualization of supercomputer simulations in physics
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 647–654https://doi.org/10.1145/76263.76336Recent advances in computer graphics hardware and software have resulted in major improvements in our ability to experience computer simulations of physics by viewing dynamic three-dimensional scenes representing the simulations. This paper describes ...
- ArticleAugust 1989
Using PAGE-AHEAD for large FORTRAN programs
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 511–520https://doi.org/10.1145/76263.76320Virtual storage management allows an efficient use of computer memory through the cooperative actions of the computer hardware and the operating system which are completely transparent to application programs. However, when program data exceed the ...
- ArticleAugust 1989
The i860TM 64-bit supercomputing microprocessor
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 450–456https://doi.org/10.1145/76263.76313The Intel i860TM processor is a RISC-based microprocessor incorporating a RISC core with memory management, a floating point unit, and caches on a single chip. The 1,000,000 transistors allow a single chip implementation with highly optimized interunit ...
- ArticleAugust 1989
Parallel algorithms for super performance
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 380–388https://doi.org/10.1145/76263.76305This paper describes the development of parallel algorithms on M31, a large-scale, shared memory multiprocessor VAX computer. Matrix operations have been optimized for a subset of the BLAS, the Basic Linear Algebra Subroutines. Efficient image ...
- ArticleAugust 1989
A block QR factorization algorithm using restricted pivoting
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 248–256https://doi.org/10.1145/76263.76290This paper presents a new algorithm for computing the QR factorization of a rank-deficient matrix on high-performance machines. The algorithm is based on the Householder QR factorization algorithm with column pivoting. The traditional pivoting strategy ...
- ArticleAugust 1989
Macrotasking the singluar value decomposition of block circulant matrices on the Cray-2
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 243–247https://doi.org/10.1145/76263.76289A parallel algorithm to compute the singular value decomposition (SVD) of block circulant matrices on the Cray-2 is described. For a block circulant form described by M blocks with m x n elements in each block, the computation time using an SVD ...
- ArticleAugust 1989
Automatic vectorization of character string manipulation and relational operations in Pascal
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 187–196https://doi.org/10.1145/76263.76283In our paper of Supercomputing '88, an overview of V-Pascal, an automatic vectorizing compiler for Pascal, was presented with focus on its Version 1. In that paper, as one of those higher functions to be added to Version 2 V-Pascal, vector-mode ...
- ArticleAugust 1989
A computer assisted optimal depth lower bound for sorting networks with nine inputs
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 152–161https://doi.org/10.1145/76263.76280It is demonstrated that there is no nine-input sorting network of depth six. The proof was obtained by executing on a supercomputer a branch-and-bound algorithm which constructs and tests a critical subset of all possible candidates. Such proofs can be ...
- ArticleAugust 1989
A study of dissipation operators for the euler equations and a three- dimensional channel flow
Supercomputing '89: Proceedings of the 1989 ACM/IEEE conference on SupercomputingPages 141–151https://doi.org/10.1145/76263.76279Explicit methods for the solution of fluid flow problems are of considerable interest in supercomputing. These methods parallelize well. The treatment of the boundaries is of particular interest both with respect to the numeric behavior of the solution, ...