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The VAX and OpenVMS looking back, looking ahead Andy Goldstein with thanks to Jesse Lipcon et al.

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Presentation on theme: "The VAX and OpenVMS looking back, looking ahead Andy Goldstein with thanks to Jesse Lipcon et al."— Presentation transcript:

1 The VAX and OpenVMS looking back, looking ahead Andy Goldstein with thanks to Jesse Lipcon et al

2 Confining Software Environment, Limited Scaleability, Incompatible Systems In the Beginning t PDP-11 Popularity t 16-bit Architecture t Architecture Limitations t 1974: Should we build a 32-bit PDP-11?

3 Genealogy of the VAX PDP-11/20 16 bit address Unibus PDP-11/45 18 bit address Unibus PDP-11/70 22 bit address Unibus Massbus DEC-10 KL-10

4 Genealogy (continued) Dragon VAX-11/ bit address Unibus Massbus Unicorn DEC-20/20

5 Beginning a 20 year tradition of shattering barriers and breaking the rules 1975: STAR and STARLET goals t April 1975: Gordon Bell says “Go” t Integrated Hardware and Software Design t Expand Addressing to 32 Bit t Highly Scaleable Architecture t One System, Compatible Tools

6 2 32 Is A Whole Lot More Than Two Times Do The Math t Eliminates Software “Overlays” t Critical Software (e.g., RMS) Stays Resident t Improved Performance – Programmer Efficiency – Program Execution

7 VAXA Committee t Gordon Bell t Peter Conklin t Dave Cutler t Bill Demmer t Tom Hastings t Richie Lary t Dave Rogers t Steve Rothman t Bill Strecker, chief architect

8 Early Development t Sept 1975SRM Rev 1 t April 1976April Task Force t June-AugDetailed software design t Sept 1976Hardware simulator and initial system kernel t April 1977DCL and file system t June 1977Breadboard and first VMS timesharing

9 Initial VMS Design Team t Dave Cutler, project leader t Andy Goldstein t Roger Gourd, manager t Roger Heinen By November, t Dick Hustvedt t Hank Levy t Peter Lipman t Trev Porter

10 SRM V1 Memory Management Byte OffsetPageSegment Number AM ISN PageByte Offset PFN

11 Address Translation PCB PSM ST IST PCB PSM ST PT

12 Early Development t Sept 1975SRM Rev 1 t April 1976April Task Force t June-AugDetailed software design t Sept 1976Hardware simulator and initial system kernel t April 1977DCL and file system t June 1977Breadboard and first VMS timesharing

13 780 Prototype Power On

14 Program Development and Testing DEC-10 Program Source Program Source PDP-11 Bliss Compiler Cross Assembler OBJ LinkerEXE RK05 Hardware Simulator OBJ

15 Timesharing on the Prototype t Prototype 780, 1MB memory –2 RP06 + RK07 t VT52s in the offices t Self-supporting –System builds –Bliss Compiler –“Eat our own dog food”

16 Announcement of DIGITAL’s 32-bit Computing System t October 25, 1977 t VAX-11/780 t VMS V1.0 Announced

17 October 1977 Announcement

18 V1.0 Development Team

19 t VMS V1.0 Shipped t DECnet Phase II t FORTRAN IV t Up to 64 MB Memory

20 Multiple Evolutionary Paths, One Direction An Unprecedented Platform t Multi-Board to Single Chip t Ultimate CISC to RISC Processor Architecture

21 Low-Cost, High-Performance Networking -- Built Right In! t DECnet Phase III t VMS V2.0 t New Programming Tools t Ethernet Products t VAX-11/750

22 V2.0 Development Team

23 32-Bit Addressing + Integrated Software Tools = Development Productivity t VAX Information Architecture t Common Data Dictionary t RMS and VAX-11 DBMS t Datatrieve t CALLable From Any VMS Programming Language

24 A Long History of Growing Up -- And Down! t VAX-11/730 t VMS V3.0 t RA60 and RA81 Disk Drives t Digital Storage Architecture t ALL-IN-1

25 VAXclusters x 365 Computing Leadership, Then and Now! t VAXcluster Technology t 16 Node Star Architecture t CI Connectivity t HSC50 t DECnet Phase IV t VAX-11/725

26 A Solid and Stable Production System -- For Business and Engineering! t VMS V4.0 t VAX Rdb/VMS t VAX-11/785 t VAX 8600 t VAXstation I t MicroVAX I

27 All That Power -- On a Single Chip! t VMS V4.2 t VAX11 ACMS t MicroVAX Chip t MicroVAX II t VAXstation II/GPX

28 VAXcluster Power, Implemented Using Cost-Effective LAN Technology! t VMS V4.5 t VAX 8800 t Local Area VAXclusters

29 “When You Care Enough to Steal The Very Best!” t VAXstation 2000 t MicroVAX 2000 t CVAX Chip… When You Care Enough to Steal the Very Best! t MicroVAX 3500 and 3600

30 High-Speed Internal Bus + Tightly Coupled SMP = High Performance! t VAX 6000 t VMS V5.0 t Symmetric Multiprocessing t VAX 6200

31 Increasing Power and Expandability t VMS V5.1 and V5.2 t VAXstation 3100 t MicroVAX 3100 t VAX 6300 t Rigel Chip Set t VAX t VAX 6000

32 Proprietary Power -- Plus the Flexibility of Open Interfaces and Networking t VMS V5.4 t VAXft 3000 t Mariah Chip Set t VAX 6500

33 Digital and Microsoft Unite to Promote OpenVMS in Client/Server Networks t OpenVMS Name Change Announced t OpenVMS V5.5 t Digital-Microsoft Alliance Promotes PATHWORKS t DECnet Phase V t NVAX Chip

34 Shattering Barriers - Again - With 64-Bit Computing! t Alpha 64-Bit Processor Architecture t VAX 7000 t First Release of OpenVMS AXP V1.0 for Alpha

35 t The macro compiler –a language is a language... t Binary translation –and so is machine code! Breaking the rules again: “You can’t port OpenVMS. It’s written in assembler!”

36 Worldwide Initiative for Client/Server Computing t OpenVMS AXP V1.5 t OpenVMS VAX V6.0 t Digital 2100 Alpha AXP Server t Second Generation of Alpha AXP Servers and Workstations

37 t OpenVMS VAX V6.1 t OpenVMS Alpha V6.1 t DIGITAL 2100 Alpha AXP Server OpenVMS VAX and OpenVMS Alpha Meet

38 OpenVMS V7.0 - breaking the rules yet again t OpenVMS VAX V7.0 t OpenVMS Alpha V7.0 with 64-Bit, VLM/VLDB Support t Affinity Wave 1 t The Biggest Release of OpenVMS Since V5.0 ®

39 t VAX and VMS 32-Bit Addressing Capability… t Q: If VAX 32-Bit Addressing Equates to 20 Minutes of TV, What Size Multimedia Can 64-Bit Manage? Do The Math -- Again!

40 t AlphaServer and OpenVMS 64-Bit Addressing Capability t A: Every TV Show Ever Shown Since 1948!

41 Orders of Magnitude Increased Performance Evolution of Compute Power

42 Even more power through multiprocessing The SMP Multiplier

43 Industry Leading Technology t #1 in Healthcare Industry t 90% of the World’s CPU Chips t 66% of the World’s Funds Transfers t Dominance in Gaming/Lottery Industry t Critical defense applications Mission-Critical Commercial Leadership

44 The Next Generation…Here Now! t Embraces Large Multi-CPU Systems Using a New Computing Model t Leverages Existing Cluster Technology t Overcomes Software SMP & MMP Limitations

45 t Breaking the rules yet again: What about all the special Alpha features that support OpenVMS? –It’s all software! Coming soon…Intel Inside!

46 Star Coupler CI Storage OpenVMS VAX HSJ LAN for Host-to- Host Comm. OpenVMS Alpha Fibre Channel Storage FC Switch HSG/HSV OpenVMS Itanium TM Itanium™ comes to OpenVMS Clusters

47 t A First Class Commercial Machine t For Unlimited High-end Computing t On OpenVMS! Where Do You Want to Go - Tomorrow?


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