University of Cambridge Computer Laboratory HoD: Professor Andy Hopper University of Cambridge Computer Laboratory DJG 2004 Dr David Greaves djg@cl.cam.ac.uk Welcome to the CL The department of Computer Science in the University of Cambridge. William Gates Building, Opened October 2001. University of Cambridge Computer Laboratory DJG 2004 Computer Laboratory • Staff – 38 academic staff, – 25 support staff, and – 40 affiliated research staff. • Students – 154 research students (PhD), – 30 Mphil Advanced Computer Science, – 20 Mphil in Speech and Language, – 3x50 BA Undergraduates. University of Cambridge Computer Laboratory DJG 2004 Interactive Formal Verification • Professor Mike Gordon – – – – – – Viper Microprocessor 1985 Fast Ring ECL Chip in 1986 ATM Switch Chip in HOL 90 in 1994 Formal model of ARM 6 in 2002 Embedding PSL/Sugar in HOL 2004 Embedded Crypto Algorithms (ongoing) • Prof Larry Paulson (Isabelle Prover) • John Harrison (HOL Lite Prover) University of Cambridge Computer Laboratory DJG 2004 EDA Spinouts • • • • • • Qudos – E-beam rapid prototyping, Virata – Broadband Modems, Tenison – RTL to C++ modelling, Azuro – Clock tree synthesis, Embecosm – TLM Debugging. Our graduates provided technical lead at ARC, Intel, TransEDA, ARM, PA Semi, ... University of Cambridge Computer Laboratory DJG 2004 END OF PRESENTATION University of Cambridge Computer Laboratory DJG 2004 Welcome to the CL • The UoC Department of Computer Science – – – – – – – – Some history of our department Admission Undergraduate Taught Courses Postgraduate Courses Research Areas Supporter’s Club Women in Computer Science Graduate Association University of Cambridge Computer Laboratory DJG 2004 The Mathematical Laboratory • • • • • • • • Founded 1937, Sir MV Wilkes. EDSAC ran first stored program 1949 Thenceforth provided a computer service Titan, IBM machines, Phoenix Diploma started in 1953 Undergraduate Tripos in 1969 Moved to WGB in 2001 Rated 5* and ‘Excellent’ University of Cambridge Computer Laboratory DJG 2004 1949: Edsac 1 University of Cambridge Computer Laboratory DJG 2004 1977: Cambridge Distributed System University of Cambridge Computer Laboratory DJG 2004 1993: Autostereo Display University of Cambridge Computer Laboratory DJG 2004 William Gates Building • A split with the Computer Service • All research under one roof • Two lecture theatres, one practical laboratory. • Intel, Optronics and LCE currently on top floor • Microsoft MSR out the back in their own building. University of Cambridge Computer Laboratory DJG 2004 Heads of Department University of Cambridge Computer Laboratory DJG 2004 Undergraduate Courses • • • • • 25% Computer Science (with 75% maths) 50% Computer Science (with 25% NST) Full time for years 2 and 3 leading to BA. Part II General - A one year part II Diploma - A masters-like conversion course University of Cambridge Computer Laboratory DJG 2004 Admission • Undergraduates admitted by Colleges • Admission requirements: – A-level Maths – One other science A level (pref Further Maths) – A third A-level or international equivalent • Postgraduates (PhD) must find a supervisor who will has an interest in their research University of Cambridge Computer Laboratory DJG 2004 What is Computer Science ? • It is not how to use Microsoft Excel • It is not how to design web sites • It is not how to be an IT manager • We don’t even train people in C++ programming. University of Cambridge Computer Laboratory DJG 2004 • It is about theory of data representation • It is about network protocol design • It is about the history and future of operating systems • It’s about fundamental differences between programming paradigms. Example CST Subject Areas • • • • • • • • Continuous Maths Discrete Maths Software Engineering Programming Operating Systems Compilers Databases Information Theory and Coding University of Cambridge Computer Laboratory DJG 2004 • • • • • • • • Computability Semantics Hardware Processor Design Business Communications Spec and Verification VLSI 3 year Tripos Practical Work • Ia: Java ticks • Ia: ML ticks • Ia: Hardware ticks • Ib: ECAD and Architecture ticks • Ib: Group Projects • II: Project and Dissertation (25% marks). University of Cambridge Computer Laboratory DJG 2004 ML programming demo. • ML is the first language our students see • It is functional (not imperative) • One of the most-advanced languages ever becoming mainstream (almost mainstream). • Aim to teach fundamentals, not arbitraryness. – `If something has been known for 10 years and looks as though it will remain true for the next 10 years, then it’s probably worth teaching’ - RMN. University of Cambridge Computer Laboratory DJG 2004 ML: Three Ways to Add Up (* Mathematician *) fun intsum1(a, b) = (b-a+1) *(a+b) div 2; (* Engineer *) fun intsum3(a, b) = if (a=b) then a else let val midpoint = (a+b) div 2 in intsum3(a, midpoint) + intsum3(midpoint+1, b) end ; (* Computer Scientist *) fun intsum2(a, b) = if (a = b) then a else a + intsum2(a+1, b); University of Cambridge Computer Laboratory DJG 2004 Postgraduate Courses • PhD in theoretical computer science – Can be in any area researched in the department. • 1986: M Phil in Speech and Language Processing (with dept of Engineering) • Fourth Year in School of Technology ? – Currently being planned. University of Cambridge Computer Laboratory DJG 2004 Current Major Research Areas • Programming Languages, Compilers • Security - Smart Cards, Trusted Computing • Systems - OS, Processors, Middleware, Trust, Networks, H/W. • Rainbow - Graphics, HCI, Asynch H/W • Natural Language and Information Retrieval • Theory & Semantics - Quantum, Computability • Automated Reasoning - HVG, Protocols • Projects with MSR, LCE and Intel Research. New areas are covered with new appointments: e.g. Bioinfomatics University of Cambridge Computer Laboratory DJG 2004 Research Area Map Theory and Semantics Users Maths HCI Language Graphics Proof Media Mobility Networks Security Hardware Engineering University of Cambridge Computer Laboratory DJG 2004 Programs Example: Pervasive Computing Trusted computing infrastructure Mobile applications Security of smart cards Correctness of Network Protocols XML Ontology for personal information Rules for control of the home Alternative HCI devices for real-time control and generating `programs’. University of Cambridge Computer Laboratory DJG 2004 Supporter’s Club • • • • • • • 10 to 50 Local Industry Fund Contributors Originally for local companies Library and consultancy access Frequently funds PhD Students Specialist Lecture Series Recruitment Fair Once a Year Well-attended annual dinner! University of Cambridge Computer Laboratory DJG 2004 Women in Computer Science • • • • • • • Sometimes seen as a male profession ? WICS mission to redress balance. Currently 4 or so female out of 30 lecturers. Only 5 to 10 percent of undergraduates 15 percent of postgraduates ? WICS regular meetings, open agenda Women frequently come top in Tripos. • 2002: 26.9% of the 52 female applicants to Cambridge Computer Science were accepted compared to 21.6% of the 416 male. University of Cambridge Computer Laboratory DJG 2004 Graduate Association • Called ‘The Cambridge Ring’ • • • • • Recently established, 2002 200-300 members Annual update and dinner Advice and consultancy Should become self-funding University of Cambridge Computer Laboratory DJG 2004 Local Industry • 28,000 Hi-tech employees in Cambridge • 14,000 of them in computing/electronics • New companies are always being founded by our alumni Manufacture Telecomms Consultancy (software) Consultancy (hardware) Consultancy (business) R&D 16 14 12 Frequency 10 8 6 4 2 0 1978 1984 1985 1986 1987 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 University of Cambridge Computer Laboratory DJG 2004 • Thank-you and any questions ? – Web www.cl.cam.ac.uk – djg@cl.cam.ac.uk University of Cambridge Computer Laboratory DJG 2004

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