🚀 go-pugleaf

Archive-name: sys/ipsc/ipsc-860-performance/1991-05-21
Archive: uvacs.cs.virginia.edu:/pub/techreports/ipc/ipc_91-007.PS.Z [128.143.8.29]
Original-posting-by: sam2y@koa.cs.Virginia.EDU (Steven A. Moyer)
Original-subject: Comprehensive i860 performance report
Reposted-by: emv@msen.com (Edward Vielmetti, MSEN)


A number of people in various newsgroups have requested information concerning
the performance of the i860 and/or i860 compilers.  A study just completed
at the University of Virginia examines in depth the processor-memory
interrelationship for a board consisting of an i860 and memory subsystem
constructed from page-mode DRAMs.

>From an understanding of this interrelationship, guidelines are established
for implementing inner-loop operations in a manner consistent with the
processor architecture and memory system performance characteristics; by
adhering to these guidelines the assembly language programmer or compiler
writter can realize a 200-300% increase in performance over code generated
in a "straight-forward" fashion.

The implementation techniques presented throughout the report are dependent
on a memory system constructed with static-column or page-mode DRAMs. In
addition, the report focuses on vector operations (BLAS-like routines) and
scientific computations built on top of them.


To ftp a copy of this report for printing at your local site:

1) ftp uvacs.cs.virginia.edu   (128.143.8.29)
      login as 'anonymous'
2) cd pub/techreports/ipc
3) * set ftp to BINARY mode
4) get ipc_91-007.PS.Z
5) exit out of ftp

6) uncompress ipc_91-007.PS.Z
7) lpr ipc_91-007.PS

The report is formated for double-sided pages.  Simply remove the
first 2 cover pages and drop the rest in a copier set for 1-sided
to 2-sided copy.

-----------------------------------------------------------------------
* For those not having access to a Unix system or who are without the
luxury of a postscript printer, hardcopies can be had by request.

To receive a hardcopy of this report, send a request to:

                      Institute for Parallel Computation
                  School of Engineering and Applied Science
                             University of Virginia
                          Charlottesville, VA   22903


                     OR   bhl7u@virginia.edu


ask for  IPC-TR-91-007 "Performance of the iPSC/860 Node Architecture"

PLEASE STATE IN YOUR REQUEST THAT YOU ARE WITHOUT THE NECESSARY FACILITIES
TO FTP AND/OR PRINT A COPY OF THIS REPORT.

--

+--------------------------------------------------------------------+
| Steve Moyer                    |       THIS SPACE FOR RENT         |
| University of Virginia         |                                   |
|                                | "Just a rebel without a clue..."  |
| E-mail: sam2y@virginia.edu     |                - The Replacements |
+--------------------------------------------------------------------+

-- comp.archives file verification
uvacs.cs.virginia.edu
-rw-r--r--  1 1356     csfacult   106341 May 21 19:55 /pub/techreports/ipc/ipc_91-007.PS.Z
found ipsc-860-performance ok
uvacs.cs.virginia.edu:/pub/techreports/ipc/ipc_91-007.PS.Z