Donald Alpert
`
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`Camelback Computer Architecture, LLC
`
`(916) 515-8332
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`.
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`....
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`··: -·.■• ■
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`• 1:f Camelback
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`COMPUTER
`~ ARCHITECTURE
`
`
`Donald Alpert. Ph.D.
`Camelback Computer Architecture, LLC
`1809 S Street, Suite 101
`Box 340
`Sacramento CA 95811
`(916) 515-8332
`
`
`
`
`Donald Alpert, Ph.D., is an independent consultant, specializing in microprocessors and
`computer systems. For more than a decade in his role as president of Camelback
`Computer Architecture LLC, Dr. Alpert has provided clients with expert services for
`patent litigation, technology assessment, and product development. He has over 40
`years of wide-ranging academic and industry experience that enable him to provide
`expert consulting services in the following areas:
`• Computers, Computer Systems
`• Computer architecture
`• Microprocessors
`• Semiconductors
`• PC Systems
`• Embedded Systems
`• Design Validation and Debug
`• Performance Evaluation
`• Cache Memory
`Instruction Sets
`•
`• Media Processing
`• Power Management
`
`
`Patent Analysis: Dr. Alpert has served as an expert on dozens of patent litigation
`cases, handling both infringement and invalidity issues. Dr. Alpert has worked as both a
`consulting expert and testifying expert assisting attorneys representing major high-tech
`corporations. He has substantial experience testifying in depositions and at trials before
`U.S. Federal Courts and the International Trade Commission. Dr. Alpert also consults to
`assess patents for acquisition and for pre-litigation review. See http://camelback-
`comparch.com/Expert-Witness-Testimony.pdf for a summary of testifying experience.
`
`Product Development: Dr. Alpert is a widely recognized innovator with over 30
`patents. Dr. Alpert has worked at some of the most ground-breaking technology firms,
`including Zilog, National Semiconductor, and Intel, where he was the principal architect
`of the Pentium® Processor. See http://camelback-comparch.com/resume-for-product-
`development.pdf for more information and example projects.
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`Camelback Computer Architecture, LLC
`
`(916) 515-8332
`
`Donald Alpert
`
`Employment Experience
`Camelback Computer Architecture, LLC, Sacramento, CA
`2/02-Present
`Consultant
`Computer architecture consulting services to assess technology, develop products, and protect IP.
`
`Intel Corporation, Chandler, Arizona
`12/99-1/02
`Principal Engineer
`Led architecture team of 10 responsible for definition and performance evaluation of Itanium™ Processor
`Family microprocessors.
`
`5/98-12/99
`Principal Engineer
`Led architecture team of 4 responsible for technical strategy and product definition of PC graphics
`processors and chipsets.
`Stanford University, Stanford, California
`9/97-4/98
`Consulting Assistant Professor
`Responsible for teaching undergraduate and graduate classes in computer architecture and participating
`in processor-design research projects.
`Intel Corporation, Santa Clara, California
`10/93-6/97
`Engineering Manager
`Responsible for microarchitecture definition and architecture validation of the Itanium™ microprocessor,
`which was the first implementation of Intel's 64-bit extension architecture. Led a team of 60 engineers.
`Architecture Manager
`1/89-10/93
`Responsible for the Pentiumâ Processor technical definition. Worked with customers and Intel marketing
`to identify product requirements and with the design engineering team to evaluate design options. Led a
`team of seven engineers responsible for creating technical specifications and for modeling and simulating
`performance using traces from DOS, Windows, and UNIX execution. After completing the Pentium
`Processor, led an interdisciplinary team of 30 engineers to define a new 64-bit instruction set architecture.
`
`National Semiconductor Corporation, Herzlia, Israel
`5/85-1/89
`Architecture Manager
`Responsible for defining new microprocessors in the Series 32000 family, including the NS32532 and
`“Swordfish” high-performance microprocessors. Led a team of five engineers working in the following
`areas: modeling and simulating high-performance microprocessors, evaluating novel computer
`architectures, and writing technical specifications for new products.
`
`Zilog, Incorporated, Campbell, California
`6/80-4/85
`Component Architect
`Worked on the Z80,000 CPU, a 32-bit microprocessor that integrated an instruction pipeline, cache, and
`memory management unit. Responsible for specifying the non-privileged instruction set, evaluating
`performance, and writing the reference manual for the microprocessor.
`
`Burroughs Corporation, Pasadena, California
`Associate Engineer
`Designed computer peripheral interface controllers using MSI-TTL and 8080 microprocessors.
`
`Alpex Computer Corporation, Danbury, Connecticut
`Consulting engineer working on design of video games.
`
`Action, Washington, DC
`6/73-6/75
`Peace Corps volunteer teaching mathematics and physics in a secondary school in Ghana, West Africa.
`
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`7/76-7/77
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`8/75-6/76
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`9/77-6/84
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`9/69-6/73
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`Camelback Computer Architecture, LLC
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`(916) 515-8332
`
`Donald Alpert
`Education
`Stanford University
`Graduate study in computer design. National Science Foundation Graduate Fellowship.
`Awarded MSEE in 1978 and PhDEE in 1984.
`
`M.I.T.
`Member of Tau Beta Pi and Eta Kappa Nu. Awarded BSEE in 1973.
`
`
`Professional Activities
`Member of Microprocessor Report editorial board (2002-present)
`
`Anthem College Commencement Address (18-Dec-2009)
`
`Panel session about history of microprocessor development at National Semiconductor Corporation,
`Computer History Museum (2008).
`[http://archive.computerhistory.org/resources/access/text/Oral_History/102658246.05.01.acc.pdf]
`
`IEEE Technical Committee on Microprocessors and Microcomputers, Chair (1999-2000) and Vice-Chair
`(2001-present).
`
`Lectures about the Itanium™ Processor Family at U.C. Irvine (1999, 2000).
`
`Cool Chips I, Keynote speaker (Tokyo, 1998)
`
`IEEE Hot Chips Symposium Program Co-chair (1994), member of program committee (1993, 1995).
`
`Lectures about the Pentiumâ Processor at Stanford University, University of Illinois, and Cornell (1993-
`1994).
`
`Appeared in Stanford UVC Educational Video production about the Pentium Processor (1993).
`
`IEEE International Symposium on Computer Architecture member of program committee (1996) and
`Session Chair for Cache Design (1989).
`
`Teaching Experience
`Faculty Associate at Arizona State University teaching undergraduate class on assembly language
`programming (Spring/2001) and computer architecture (Spring/2002).
`
`Consulting Associate Professor at Stanford University teaching undergraduate and graduate classes in
`computer architecture (Fall/1997, Winter/1998).
`
`Consulting Professor at Tel Aviv University teaching graduate class in computer architecture
`(Spring/1987)
`
`Peace Corps volunteer in a secondary school in Ghana, West Africa teaching mathematics and physics
`(1973-1975).
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`Camelback Computer Architecture, LLC
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`(916) 515-8332
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`Donald Alpert
`Publications
`
`Don Alpert, “How Microprocessors Upset the Computer Industry,” Microprocessor Report, December 11,
`2006.
`
`Don Alpert, “Evolving PC Chip-Set Topologies,” Microprocessor Report, April 17, 2006.
`
`Don Alpert, “Will Microprocessors Become Simpler?” Microprocessor Report, November 17, 2003.
`
`Don Alpert, “Itanium Processor Status Report,” Microprocessor Report, July 28, 2003.
`
`Don Alpert, “Scalable MicroSupercomputers,” Microprocessor Report, March 17, 2003.
`
`Don Alpert, “ColdFire Goes Fully Superscalar,” Microprocessor Report, October 28, 2002.
`
`Donald Alpert and Alan Jay Smith, “Guest Editor Introduction,” IEEE Micro special issue on Hot Chips VI,
`April 1995.
`
`Donald Alpert and Dror Avnon, “Architecture of the Pentium Processor,” IEEE Micro, June 1993, pp. 11-
`21. Selected best paper in IEEE Micro for 1993.
`
`D. Alpert, A. Averbuch, and O. Danielli, “Performance Comparison of Load/Store and Symmetric
`Instruction Set Architectures,” Proceedings, 18th International Symposium on Computer Architecture,
`June 1990, pp. 172-181.
`
`Benjamin Maytal, Sorin Iacobovici, Donald Alpert, et al, “Design Considerations for a General-Purpose
`Microprocessor,” Computer, January 1989, pp. 66-76.
`
`Donald Alpert and Michael Flynn, “Performance Trade-offs for Microprocessor Cache Memories,” IEEE
`Micro, August 1988, pp. 44-54.
`
`D. Alpert, J. Levy, and B. Maytal, “Architecture of the NS32532 Microprocessor,” Proceedings, 1987 IEEE
`International Conference on Computer Design, October 1987, pp. 168-172. Awarded best presenter at
`Design and Test sessions.
`
`D. Alpert, D. Biran, L. Epstein, et al, “Trends in VLSI Microprocessor Design,” Proceedings, First Annual
`Conference on Computer Technology, Systems and Applications (CompEuro ‘87), May 1987, pp. 564-
`567.
`
` Y
`
` Sidi, D. Alpert, D. Biran, et al, “Design Considerations of an Advanced 32-Bit Microprocessor,”
`Proceedings, 15th Conference of Electrical and Electronic Engineers in Israel, April 1987.
`
`D. Alpert, “Trends in VLSI Microprocessor Design,“ Proceedings, 15th Conference of Electrical and
`Electronic Engineers in Israel, April 1987.
`
`Donald Alpert, Michael J. Flynn, and Scott Wakefield, “Directly Executed Languages for VLSI Processor
`Design,” Proceedings, 1983 IEEE International Conference on Computer Design, October 1983, pp. 609-
`612.
`
`Donald Alpert, “Powerful 32-Bit Micro Includes Memory Management,” Computer Design, October 1983,
`pp. 213-220.
`
`Don Alpert, Dean Carberry, Mike Yamamura, et al, “32-Bit Processor Chip Integrates Major System
`Functions,” Electronics, July 14, 1983, pp. 113-119.
`
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`(916) 515-8332
`
`Camelback Computer Architecture, LLC
`
`Donald Alpert
`Patents
`4,802,085, Apparatus and method for detecting and handling memory-mapped I/O by a pipelined
`microprocessor
`5,249,286, Selectively locking memory locations within a microprocessor's on-chip cache
`5,263,153, Monitoring control flow in a microprocessor
`5,416,913, Method and apparatus for dependency checking in a multi-pipelined microprocessor
`5,442,756, Branch prediction and resolution apparatus for a superscalar computer processor
`5,475,824, Microprocessor with apparatus for parallel execution of instructions
`5,479,652, Microprocessor with an external command mode for diagnosis and debugging
`5,481,751, Apparatus and method for storing partially-decoded instructions in the instruction cache of a
`CPU having multiple execution units
`5,559,986, Interleaved cache for multiple accesses per clock cycle in a microprocessor
`5,606,676, Branch prediction and resolution apparatus for a superscalar computer processor
`5,617,554, Physical address size selection and page size selection in an address translator
`5,621,886, Method and apparatus for providing efficient software debugging
`5,638,525, Processor capable of executing programs that contain RISC and CISC instructions
`5,657,253, Apparatus for monitoring the performance of a microprocessor
`5,659,679, Method and apparatus for providing breakpoints on taken jumps and for providing software
`profiling in a computer system
`5,669,011, Partially decoded instruction cache
`5,671,435, Technique for software to identify features implemented in a processor
`5,675,825, Apparatus and method for identifying a computer microprocessor
`5,692,167, Method for verifying the correct processing of pipelined instructions including branch
`instructions and self-modifying code in a microprocessor
`5,729,724, Adaptive 128-bit floating point load and store operations for quadruple precision compatibility
`5,740,413, Method and apparatus for providing address breakpoints, branch breakpoints, and single
`stepping
`5,764,959, Adaptive 128-bit floating point load and store instructions for quad-precision compatibility
`5,774,686, Method and apparatus for providing two system architectures in a processor
`5,790,834, Apparatus and method using an ID instruction to identify a computer microprocessor
`5,802,605, Physical address selection and page size selection in an address translator
`5,958,037, Apparatus and method for identifying features and the origin of a computer microprocessor
`5,991,874, Conditional move using a compare instruction generating a condition field
`, Method and apparatus for providing breakpoints on a selectable address range
`2,8016,05
`
`6,219,774, Address translation with/bypassing intermediate segmentation translation to accommodate two
`different instruction set architecture
`6,385,718, Computer system and method for executing interrupt instructions in operating modes
`6,408,386, Method and apparatus for providing event handling functionality in a computer system
`6,584,558, Article for providing event handling functionality in a processor supporting different instruction
`sets
`7,010,671, Computer system and method for executing interrupt instructions in two operating modes
`7,389,403, Adaptive computing ensemble microprocessor architecture
`7,802,073, Virtual core management
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