Article View: comp.sys.super
Article #145Re: CMSSL routine for solving 2D finite difference?
From: Robert Krawitz
Date: Thu, 10 Sep 1992 15:30
Date: Thu, 10 Sep 1992 15:30
26 lines
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1620 bytes
In article <JAMARTIN.92Sep5220655@gauss.nmsu.edu> jamartin@nmsu.edu (Jay Martinez) writes:
I am trying to do a two-dimensional finite difference formulation
on a CM-200. For the resulting system of equations Ax=B, I get an
A maxtrix that looks like this:
Lennart Johnsson (Director of Computational Sciences) made the following
comments:
To: Robert L Krawitz <rlk@Think.COM>
Subject: Re: CMSSL routine for solving 2D finite difference?
Date: Tue, 08 Sep 92 22:35:22 EDT
From: Lennart Johnsson <johnsson@Think.COM>
They can solve it iteratively using the grid-sparse matrix-vector
routine, or embed it in a block tridiagonal system (not necessarily
very efficient)
The performance of an iterative solver should be further enhanced
by the Stencil compiler in 3.1.
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Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!ames!think.com!news!rlk From: rlk@underprize.think.com (Robert Krawitz) Newsgroups: comp.sys.super Subject: Re: CMSSL routine for solving 2D finite difference? Date: 10 Sep 92 15:30:58 Organization: Thinking Machines Corporation, Cambridge Mass., USA Lines: 26 Distribution: comp.sys.super Message-ID: <RLK.92Sep10153058@underprize.think.com> References: <JAMARTIN.92Sep5220655@gauss.nmsu.edu> NNTP-Posting-Host: underprize.think.com In-reply-to: jamartin@nmsu.edu's message of Sun, 6 Sep 1992 05:06:55 GMT