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January 1993

Linda Torczon

Executive Director, CRPC and Faculty Fellow,
Computer Science, Rice University

Linda Torczon's research interests include code generation, interprocedural data-flow analysis and optimization, and programming environments. In the code generation realm, she has published a set of improvements to graph coloring register allocation. She is also one of the key implementors of an optimizing compiler for Fortran.

In the area of interprocedural analysis and optimization, she has developed techniques for interprocedural constant propagation and recompilation analysis. She has also completed a study on the effectiveness of several interprocedural constant propagation techniques and collaborated on a study of the effectiveness of inline substitution.

Within the programming environment arena, she was one of the driving forces behind the ParaScope programming environment project at Rice. She was a principal architect of the framework for whole program analysis in the ParaScope programming environment.

Torczon is one of the principals in the Massively Scalar Compiler Project, an ARPA-sponsored project at Rice that centers on issues in compilation arising from changes in microprocessor-based systems. Among the problems currently being investigated are: the impact of pointer-based aliasing on code quality, improved global optimization methods based on static single assignment form, better techniques for interprocedural analysis and optimization, improvements to graph-coloring register allocation, and instruction scheduling for complex loops. Key results of the project are embodied in reference implementations, which are extensively documented programs that serve as guides for industrial implementation (see the article "Massively Scalar Compiler," Parallel Computing Research, April 1993, p. 8 and the World Wide Web page http://www.cs.rice.edu//MSCP/MSCP.html).

Torczon is involved in a variety of activities to increase the number of women entering the field of computational science and engineering. As CRPC Executive Director, she is one of several women who serve in leadership positions within the NSF Science and Technology Centers. Her other activities include initiating CRPC programs established to increase participation by women in mathematics and science-related fields. She is speaking at the upcoming "Expanding Your Horizons" program in Houston and has served as faculty liaison for the Rice "Women in Computing" group. Torczon is also involved in activities associated with The Rice School/La Escuela Rice, a Rice-Houston Independent School District laboratory school for students from kindergarten through eighth grade.

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