SPLASH-I Keynote: How to Tell a Compiler What We Think We Know?
I have been repeatedly quoted (and tweeted) as having remarked more than once over the last decade, “If it’s worth telling yourself (or another programmer), it’s worth telling the compiler.” In this talk, I will try to explain in more detail what I meant by this. In particular, I have noticed that programming languages provide lots of ways to annnotate one thing, but not very many good ways to talk about relationships among multiple things (other than regard to one as a “server” to which an annotation is attached and the others as “clients”). As a very simple example, we don’t even yet have a relatively standard way to say such simple things as “Thus-and-so value is an identity for this binary operation” or “this operation distributes over that operation”. Algebraic constraints are one way to express some such constraints, but where in a program should they be placed? How can they be generalized and abstracted? Does object-oriented design make this task easier or harder? I am particularly interested in what we might want to say in the future to a compiler that incorporates a full-blown theorem prover. This talk will be a sort of oral essay, raising more questions than it answers.
Guy L. Steele Jr. (A.B., 1975, Harvard College; S.M., 1977, and Ph.D., 1980, MIT) is a Software Architect at Oracle Labs. He has taught at Carnegie-Mellon University, and worked for Tartan Laboratories, Thinking Machines Corporation, and Sun Microsystems.
He is author or co-author of five books: Common Lisp: The Language, C: A Reference Manual, The Hacker’s Dictionary, The High Performance Fortran Handbook, and The Java Language Specification. He has published more than two dozen papers on the subject of the Lisp language and Lisp implementation, including a series with Gerald Jay Sussman that defined the Scheme dialect of Lisp. His paper “Data Parallel Algorithms” with W. Daniel Hillis (December 1986) has been cited more than 1100 times.
He has been given the Grace Murray Hopper Award (1988), the ACM SIGPLAN Programming Languages Achievement Award (1996), and the Harry H. Goode Memorial Award (2007). He is an ACM Fellow, IEEE Fellow, Fellow of the American Academy of Arts and Sciences, and a Member of the National Academy of Engineering of the United States of America.
He has served on accredited standards committees X3J11 (C language) and X3J3 (Fortran), and served as chairman of X3J13 (Common Lisp). He was also a member of the IEEE committee that produced the IEEE Standard for the Scheme Programming Language, IEEE Std 1178-1990. At Thinking Machines Corporation he co-developed the languages Connection Machine Lisp, C*, and Connection Machine Fortran. At Sun Microsystems (and now at Oracle) he has advised the evolution of the Java programming language; he also led the design of Fortress, an object-oriented mathematical language intended to support high-performance computing. He designed the original EMACS command set and was the first person to port TeX.
He is a member of Tech Squares, the Plus-level Modern Western Square Dance club at MIT, and a square dance caller (currently Mainstream through C3A). At SPLASH 2011 he gave a presentation and demonstration on the structure of square-dance singing calls.
At Oracle labs, he is responsible for research in language design and implementation strategies, and architectural and software support for programming languages.
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|15:40 - 17:00|
Guy L. Steele Jr.Oracle Labs