PROCEEDINGS FALL 1984 PROCEEDINGS FOURTEENTH SEMI-ANNUAL CRAY USER GROUP MEETING October 1-4, 1984 Hyatt Regency Hotel San Francisco, California Host: Technology Development of California Ron Deiss, Local Arrangements Karen Friedman, Proceedings Editor Prepared for publication and printed at the National Center for Atmospheric Research, Boulder, Colorado (NCAR).*,t Cover photograph courtesy of Karen Friedman. Thanks go to Kathy Lucero of NCAR for her assistance in typing various contri­ butions to these Proceedings. --·--The National Center for Atmospheric Research is operated by the University Corporation for Atmospheric Research and is sponsored by the National Science Foundation. t Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. ii CONTENTS PRELIMINARY INFORMATION CRAY Users Group Board of Directors, 1984-1985. v Members of the Program Committee for Fall 1984, San Francisco • • • • • • • • vi Program, CRAY Users Group, Fall 1984, San Francisco vii PRESENTATION ABSTRACTS Keynote Address: A Large-Scale Computer Facility for Computational Aerodynamics, F.R. Bailey. 3 Cray Research Corporate Report, Don Whiting •• 4 CRAY Software Status, Margaret A. Loftus •••• 6 LINCS, John G. Fletcher. • • • • • • • • • • 7 Continuous Protocol for Long Distance Communication - Links, J. Hughes •••••••• 10 CRI View of Networking, Don M. Mason. • • • • • • • 20 Fortran in the 90's, Jeanne Martin ••••••••• 22 Digital Scene Simulation(s) on CRAY Supercomputers, Larry S. Yaeger • • • • • • • • • • • • • • • • • 25 WORKSHOP REPORTS IIO Workshop, Mostyn Lewis •••••• 33 Languages Workshop, Mary E. Zosel • 34 Front Ends Workshop, Dean W. Smith •• 36 Libraries Workshop, Margaret L. Simmons • 39 Operations Workshop, Gary Jensen •••• 41 Performance Evaluation and Optimization Workshop, J. Goirand ••••••••••••• 58 Networking Workshop, Dean W. Smith ••• 59 Multitasking Workshop, Mary E. Zosel ••••• 62 Graphics Workshop, Helene E. Kulsrud. • • • • • 64 A Briefing Paper on the Status of Graphics on CRAY Computer Systems, John Aldag •• 65 COS Workshop, David L~xton. • • • • • • • • • 68 ADDITIONAL REPORTS President's Report, M.G. Schomberg •••••••• 73 CUG Steering Committee Report, Karen Friedman • 75 Report of the Program Committee Meeting, 77 Helene E. Kulsrud • • • • • • • • • • • • • User Requirements Committee Report, Stephen Niver. 78 Conference Closing Fall 1984 at San Francisco, J. Goirand. • • • • • • • • • • • • • • • • • • • 81 iii Contents (cont.) ADDITIONAL INFORMATION CUG Meeting Participants by Organization. 85 CUG Site Contact List • • • • • • • • • 93 CUG Membership and Update Information • 111 CUG Membership Application/Change Form. 113 CUG Site Contact Update Fprm. 115 CUGBylaws •••••• 117 CUG Policy Statements • 124 iv CRAY USERS GROUP BOARD OF DIRECTORS 1984 - 1985 TITLE NAME ORGANIZATION President Michael Schomberg AERE-Harwell Vice President Helene Kulsrud IDA Treasurer Robert Price Westinghouse Secretary Karen Friedman NCAR Member, Board of Directors Jacqueline Goirand CISI Member, Board of Directors David Lexton ULCC Member, Board of Directors Joe Thompson LANL v MEMBERS OF THE PROGRAM COMMITTEE FOR FALL 1984, SAN FRANCISCO Ron Deiss TDC Mick Dungworth CRI Jacqueline Goirand CISI Gary Jensen NCAR Helene Kulsrud IDA, Chair Mostyn Lewis Chevron David Lexton ULCC Jerry Melendez LANL David Sadler CRI Margaret "Simmons LANL Dean Smith AReO Mary Zosel LLNL vi PROGRAM CUY USER GROUP FALL 1984 SAN FRANCISCO TUESDAY WEDNESDAY THURSDAY OCTOBER 2 OCTOBER 3 OCTOBER 4 8:30 Welcome F. Greene (TDC) Operations I Graphics 8:45 Keynote G. Jensen H. Kulsrud R. Bailey (NASA-AMES) 8:30 8:30 9:15 CUG Steering COlIDIlittee J. Goirand (CISI) Performance Operations III Evaluation and G. Jensen 9:30 Report of the Nominating Optimization Committee and Elections J. Goirand A. Cowley (NCAR) 10:30 BREAK 10:00 BREAK 10:00 BREAK 10:55 Presentation of New 10:30 LINCS Officers J. Fletcher (LLNL) COS D. Lexton 11 :00 NET EX HYPERchannel 11:00 CRAY Corporate Report J. Hughes (NSC) 10:30 D. Whiting (CRr) 11:30 CRI View of CTSS 11 :30 CRAY Software RepoI't Networking J. Melendez M. Loftus (CRr) D. Mason (CRr) 12:00 LUNCH 12:00 LUNCH 12:00 LURCH 1/0 Operations II 1:30 Operations Report M. Lewis G. Jensen G. Jensen (NCAR) 1:30 1:30 Networking 2:00 User Requirements D. Smith S. Niver (BCS) Languages M. Zosel Multitasking 2:30 Fortran in the '90s M. Zosel J. Martin (LLNL) 3:00 BREAK 3:00 BRlWt 3:00 BREAK Front Ends 3:30 CRAY-2 with CTSS D. Smith D. Storch (NMFE) 3:30 3:30 Program Committee 4:00 Digital Scene H. Kulsrud Simulation Libraries L. Yaeger (OP) M. Simmons 4:30 Next Conference 5:00 CLOSE 4:00 CLOSE 4:45 END vii PRESENTATION ABSTRACTS A LARGE-SCALE COMPUTER FACILITY FOR COMPUTATIONAL AERODYNAMICS F. R. Bailey NASA Ames Research Center Moffett Field, California NASA has initiated at the Ames Research Center the vices, a library of aerodynamic simulation models, Numerical Aerodynamic Simulation (NAS) Program. and a rich set of local area network data communi­ The objective of the Program is to develop a cation services. leading-edge, large-scale computer facility, and make it available to NASA, DOD, ~ther Government agencies, industry and universities,. as a neces­ sary element in disciplines. The Program will establish an initial operational capability in 1986 and systematically enhance that capability by incorporating evolving improvements in state­ of-the-art computer system technologies as re­ quired to maintain a leadership role. The NAS Program had its genesis in the efforts of theoretical aerodynamicists at the Ames Research Center during the mid-1970·s. Its purpose was to exploit computational aerodynamic research to im­ prove the basic technology of aircraft and aero­ space vehicle design. The combination of improve­ ments in aerodynamic flow simulation modelling and supercomputer performance have permitted the rapid advancement of computational aerodynamics to the stage where it is practical to address non-linear inviscid flow simulations about complex aerody­ namic configurations, and detailed turbulent flow simulations about simple configurations. The nec­ essary next step in the advancement of computa­ tional aerodynamics is to combine detailed turbu­ lent flow models and complex configurations, to provide the capability to accurately simulate realistic designs over the entire flight envelope. The goal of the NAS Program is to provide the nec­ essary computer throughput, memory capacity, and system architecture to reach this next step. In particular, the NAS Program will achieve a super­ computer capability of 250 million floating-point operations per second sustained throughput and a 256 million-word memory capacity in 1985/86, and a four-fold increase in these capabilities by 1987. This new supercomputer capability includes the Cray-2, which will be integrated into the NAS Processing System Network (NPSN). The NPSN is designed to support supercomputer-generated, large-scale aerodynamic flow simulations with powerful scientific workstations, mass storage facility, high-resolution graphics facility, and high-bandwidth remote communication links to re­ mote sites nationwide. To aid in its productive use, the system will provide unique software fea­ tures including a UNIX™ operating system envi­ ronment across all systems, common graphics ser- 3 CRAY RESEARCH CORPORATE REPORT Don Whiting Cray Research, Inc. Mendota Heights, MN 1983 HIGHLIGHTS MID-1984 HIGHLIGHTS • $169,690,000 TOTAL REVENUE • 14 SYSTEMS ORDERED • $26,071,000 EARNINGS - 10 DOMESTIC 4 INTERNATIONAL • 1551 EMPLOYEES • FIRST CRAY-2 ORDER • 65 SYSTEMS INSTALLED • 25 SYSTEMS ORDERED • 11 INSTALLATIONS - 15 DOMESTIC 1984 HIGHLIGHTS - 10 INTERNATIONAL • X-MP ANNOUNCEMENT • 20 SYSTEMS INSTALLED - X-MP/ll, 12, 14 - 9 DOMESTIC - X-MP/22, 24 - 11 INTERNATIONAL - X-MP/48 • 3 NEW COUNTRY INSTALLATIONS • SSD-5 128 MW - SWEDEN - SAAB • DD-49 DISKS - CANADA - CMC - NETHERLANDS - SHELL 4 1984 EXPECTATIONS • 26 CONTRACTS TOTAL 16 DOMESTIC 10 INTERNATIONAL • 30 INSTALLATIONS TOTAL - 21 DOMESTIC - 9 INTERNATIONAL • 84 SYSTEMS INSTALLED • 59 CUSTOMERS , ./ 5 CRAY SOFTWARE STATUS Margaret A. Loftus Cray Research, Inc. Mendota Heights, Minnesota The following software has been released since - Two very high-speed channels to the SSD the last Cray Users Meeting. - A multitasking tool - common block cross reference (FTREF) 2.0 VM Station - Update PL audit utility 1.12 MVS Station Bugfix 2 including - FORTRAN callable SORT package support for MVS/XA - Non-ANSI flagger 1.12 COS/1.11 CFT Bugfix 3 - Contiguous disk allocation options 2.03 VAX Station 1.13 NOS Station The status of other major software efforts is 2.0 PASCAL as follows: 1.13 COS/CFT 1.13 Bugfix including support for NFT - Working on optimization, single processor CRAY X~MP progressing very well, initial release is still planned for end 1985. Feedback on the 1.13 Release has been very good and ease of installation has been excellent. Permanent file archiving - planned for Several sites are now running 1.13 in production 1.15 release. and many others are in the process of upgrading. Apollo Station - planned for 1Q85 The major CRAY software effort today is the 1.14 release. Release •. We are beginning the stabilization phase for the 1.14 Release and plan to release Interactive CYBER NOS Station - planned the software by the end of 1984. It is another for 2Q85. very significant release containing the following major