Andy Goldstein Vx2001

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The VAX and OpenVMS: Looking Back, Looking Ahead
by Andy Goldstein

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Andy Goldstein Vx2001

  1. 1. The VAX and OpenVMS looking back, looking ahead Andy Goldstein Andy.Goldstein@compaq.com with thanks to Jesse Lipcon et al
  2. 2. In the Beginning Confining Software Environment, Limited Scaleability, Incompatible Systems w PDP-11 Popularity w 16-bit Architecture w Architecture Limitations w 1974: Should we build a 32-bit PDP-11?
  3. 3. Genealogy of the VAX PDP-11/70 22 PDP-11/20 16 PDP-11/45 18 bit address bit address bit address Unibus Unibus Unibus Massbus DEC-10 KL-10
  4. 4. Genealogy (continued) VAX-11/780 29 bit address Dragon Unibus Massbus Unicorn DEC-20/20
  5. 5. 1975: STAR and STARLET goals Beginning a 20 year tradition of shattering barriers and breaking the rules w April 1975: Gordon Bell says “Go” w Integrated Hardware and Software Design w Expand Addressing to 32 Bit w Highly Scaleable Architecture w One System, Compatible Tools
  6. 6. Do The Math 232 Is A Whole Lot More Than Two Times 216 w Eliminates Software “Overlays” 216 w Critical Software (e.g., RMS) Stays Resident w Improved Performance – Programmer Efficiency 2 32 – Program Execution
  7. 7. VAXA Committee w Gordon Bell w Richie Lary w Peter Conklin w Dave Rogers w Dave Cutler w Steve Rothman w Bill Demmer w Bill Strecker, chief w Tom Hastings architect
  8. 8. Early Development w Sept 1975 SRM Rev 1 w April 1976 April Task Force w June-Aug Detailed software design w Sept 1976 Hardware simulator and initial system kernel w April 1977 DCL and file system w June 1977 Breadboard and first VMS timesharing
  9. 9. Initial VMS Design Team By November, 1975... w Dave Cutler, w Dick Hustvedt project leader w Hank Levy w Andy Goldstein w Peter Lipman w Roger Gourd, manager w Trev Porter w Roger Heinen
  10. 10. SRM V1 Memory Management AM Segment Number Page Byte Offset ISN Page Byte Offset PFN Byte Offset
  11. 11. IST PT PCB ST PT PSM PT ST PT Address ST PT PT Translation PT PCB ST PSM PT PT ST PT PT
  12. 12. Early Development w Sept 1975 SRM Rev 1 w April 1976 April Task Force w June-Aug Detailed software design w Sept 1976 Hardware simulator and initial system kernel w April 1977 DCL and file system w June 1977 Breadboard and first VMS timesharing
  13. 13. 780 Prototype Power On
  14. 14. Program Development and Testing Program Cross PDP-11 Source OBJ Linker EXE Assembler RK05 Program Bliss DEC-10 Source OBJ Hardware Compiler Simulator
  15. 15. Timesharing on the Prototype w Prototype 780, 1MB memory – 2 RP06 + RK07 w VT52s in the offices w Self-supporting – System builds – Bliss Compiler – “Eat our own dog food”
  16. 16. 1977 1978 1979 1980 1981 1982... Announcement of DIGITAL’s 32-bit Computing System w October 25, 1977 w VAX-11/780 w VMS V1.0 Announced
  17. 17. October 1977 Announcement
  18. 18. V1.0 Development Team
  19. 19. 1977 1978 1979 1980 1981 1982... w VMS V1.0 Shipped w DECnet Phase II w FORTRAN IV w Up to 64 MB Memory
  20. 20. An Unprecedented Platform Multiple Evolutionary Paths, One Direction w Multi-Board to Single Chip w Ultimate CISC to RISC Processor Architecture
  21. 21. 1977 1978 1979 1980 1981 1982... Low-Cost, High-Performance Networking -- Built Right In! w DECnet Phase III w VMS V2.0 w New Programming Tools w Ethernet Products w VAX-11/750
  22. 22. V2.0 Development Team
  23. 23. 1977 1978 1979 1980 1981 1982... 32-Bit Addressing + Integrated Software Tools = Development Productivity w VAX Information Architecture w Common Data Dictionary w RMS and VAX-11 DBMS w Datatrieve w CALLable From Any VMS Programming Language
  24. 24. 1977 1978 1979 1980 1981 1982... A Long History of Growing Up -- And Down! w VAX-11/730 w VMS V3.0 w RA60 and RA81 Disk Drives w Digital Storage Architecture w ALL-IN-1
  25. 25. 1983 1984 1985 1986 1987 1988... VAXclusters -- 24 x 365 Computing Leadership, Then and Now! w VAXcluster Technology w 16 Node Star Architecture w CI Connectivity w HSC50 w DECnet Phase IV w VAX-11/725
  26. 26. 1983 1984 1985 1986 1987 1988... A Solid and Stable Production System -- For Business and Engineering! w VMS V4.0 w VAX Rdb/VMS w VAX-11/785 w VAX 8600 w VAXstation I w MicroVAX I
  27. 27. 1983 1984 1985 1986 1987 1988... All That Power -- On a Single Chip! w VMS V4.2 w VAX11 ACMS w MicroVAX Chip w MicroVAX II w VAXstation II/GPX
  28. 28. 1983 1984 1985 1986 1987 1988... VAXcluster Power, Implemented Using Cost-Effective LAN Technology! w VMS V4.5 w VAX 8800 w Local Area VAXclusters
  29. 29. 1983 1984 1985 1986 1987 1988... “When You Care Enough to Steal The Very Best!” w VAXstation 2000 w MicroVAX 2000 w CVAX Chip… When You Care Enough to Steal the Very Best! w MicroVAX 3500 and 3600
  30. 30. 1983 1984 1985 1986 1987 1988... High-Speed Internal Bus + Tightly Coupled SMP = High Performance! w VAX 6000 w VMS V5.0 w Symmetric Multiprocessing w VAX 6200
  31. 31. 1989 1990 1991 1992 1993 1994... Increasing Power and Expandability w VMS V5.1 and V5.2 w VAXstation 3100 w MicroVAX 3100 w VAX 6300 w Rigel Chip Set w VAX 4000-300 w VAX 6000
  32. 32. 1989 1990 1991 1992 1993 1994... Proprietary Power -- Plus the Flexibility of Open Interfaces and Networking w VMS V5.4 w VAXft 3000 w Mariah Chip Set w VAX 6500
  33. 33. 1989 1990 1991 1992 1993 1994... Digital and Microsoft Unite to Promote OpenVMS in Client/Server Networks w OpenVMS Name Change Announced w OpenVMS V5.5 w Digital-Microsoft Alliance Promotes PATHWORKS w DECnet Phase V w NVAX Chip
  34. 34. 1989 1990 1991 1992 1993 1994... Shattering Barriers - Again - With 64-Bit Computing! w Alpha 64-Bit Processor Architecture w VAX 7000 w First Release of OpenVMS AXP V1.0 for Alpha
  35. 35. 1989 1990 1991 1992 1993 1994... Breaking the rules again: “You can’t port OpenVMS. It’s written in assembler!” w The macro compiler – a language is a language... w Binary translation – and so is machine code!
  36. 36. 1989 1990 1991 1992 1993 1994... Worldwide Initiative for Client/Server Computing w OpenVMS AXP V1.5 w OpenVMS VAX V6.0 w Digital 2100 Alpha AXP Server w Second Generation of Alpha AXP Servers and Workstations
  37. 37. 1989 1990 1991 1992 1993 1994... OpenVMS VAX and OpenVMS Alpha Meet w OpenVMS VAX V6.1 w OpenVMS Alpha V6.1 w DIGITAL 2100 Alpha AXP Server
  38. 38. 1995 1996 1997 1998 1999 2000... OpenVMS V7.0 - breaking the rules yet again w OpenVMS VAX V7.0 w OpenVMS Alpha V7.0 with 64-Bit, VLM/VLDB Support w Affinity Wave 1 w The Biggest Release of OpenVMS Since V5.0 ®
  39. 39. 1995 1996 1997 1998 1999 2000... Do The Math -- Again! w VAX and VMS 32-Bit Addressing Capability… w Q: If VAX 32-Bit Addressing Equates to 20 Minutes of TV, What Size Multimedia Can 64-Bit Manage?
  40. 40. 1995 1996 1997 1998 1999 2000... w AlphaServer and OpenVMS 64-Bit Addressing Capability w A: Every TV Show Ever Shown Since 1948!
  41. 41. Evolution of Compute Power Orders of Magnitude Increased Performance
  42. 42. The SMP Multiplier Even more power through multiprocessing
  43. 43. Industry Leading Technology Mission-Critical Commercial Leadership w #1 in Healthcare Industry w 90% of the World’s CPU Chips w 66% of the World’s Funds Transfers w Dominance in Gaming/Lottery Industry w Critical defense applications
  44. 44. 1998 1999 2000 2001 2002 2003... The Next Generation…Here Now! w Embraces Large Multi-CPU Systems Using a New Computing Model w Leverages Existing Cluster Technology w Overcomes Software SMP & MMP Limitations
  45. 45. 1998 1999 2000 2001 2002 2003... Coming soon…Intel Inside! w Breaking the rules yet again: What about all the special Alpha features that support OpenVMS? – It’s all software!
  46. 46. Itanium™ comes to OpenVMS Clusters OpenVMS OpenVMS VAX OpenVMS Alpha ItaniumTM LAN for Host-to- Host Comm. FC Switch Star Coupler HSJ HSG/HSV CI Storage Fibre Channel Storage
  47. 47. 1998 1999 2000 2001 2002 2003... Where Do You Want to Go - Tomorrow? w A First Class Commercial Machine w For Unlimited High-end Computing w On OpenVMS!

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