Path: utzoo!censor!geac!torsqnt!hybrid!scifi!bywater!uunet!cs.utexas.edu!romp!auschs!awdprime!adagio.austin.ibm.com!sdl
From: sdl@adagio.austin.ibm.com (Stephen Linam)
Newsgroups: comp.unix.aix
Subject: Re: Best banded matrix solver for the RS-6000?
Message-ID: <4805@awdprime.UUCP>
Date: 15 Jan 91 23:00:28 GMT
References: <105939@cc.utah.edu> <4788@awdprime.UUCP> <1991Jan15.144548.4214@ux1.cso.uiuc.edu>
Sender: news@awdprime.UUCP
Reply-To: sdl@glasnost.austin.ibm.com
Organization: AIX Base Operating System Development
Lines: 27

In article <1991Jan15.144548.4214@ux1.cso.uiuc.edu>,
bowman@uiatma.atmos.uiuc.edu writes:

|> What is ESSL/6000?

Engineering and Scientific Subroutine Library for the Risc System/6000.
This is a set of high performance mathematical subroutines for matrix
operations, dense and spare linear algebraic equations, Eigensytem analysis,
Fourier transforms, convolutions and a few other things.

The routines are designed to be called from Fortran programs.  They
can be called from C programs, but they use the Fortran convention
for storing matricies.

All of the routines are tuned for performance on the Risc
System/6000, and the performance is quite impressive.  

There is an ESSL product for the 370 architecture machines as well,
and the calling sequences between the the Risc System/6000 version
and 370 version of the product are almost all identical.  The
370 version makes use of the vector facility on 3090 machines which
have it.

--------------------------------------------------------------------
Stephen Linam   AWD Austin   T/L: 793-3674  Bell-net: (512) 832-3674
IBM Internet: sdl@adagio.austin.ibm.com        VNET: LINAM at AUSTIN
Outside: sdl@glasnost.austin.ibm.com