Register Allocation for Accurate Garbage Collection of C++
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Computer Science—the theory, representation, processing, communication and use of information—is fundamentally transforming every aspect of human endeavor. The Department of Computer Science at Iowa State University advances computational and information sciences through; 1. educational and research programs within and beyond the university; 2. active engagement to help define national and international research, and 3. educational agendas, and sustained commitment to graduating leaders for academia, industry and government.
History
The Computer Science Department was officially established in 1969, with Robert Stewart serving as the founding Department Chair. Faculty were composed of joint appointments with Mathematics, Statistics, and Electrical Engineering. In 1969, the building which now houses the Computer Science department, then simply called the Computer Science building, was completed. Later it was named Atanasoff Hall. Throughout the 1980s to present, the department expanded and developed its teaching and research agendas to cover many areas of computing.
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1969-present
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- College of Liberal Arts and Sciences (parent college)
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Register Allocation for Accurate Garbage Collection of C++ S. Satishkumar* M.S. Creative Component Accurate garbage collection of C++ requires that every memory location and every register be known to contain either a pointer or a non-pointer. In order to minimize the run-time overhead of tagging memory locations and registers, techniques for partitioning memory and registers into separate classes dedicated independently to the representation of pointers and non-pointers respectively have been developed. This paper describes the implementation and performance of a specially designed register allocator for the GNU g++ compiler. * Portions of this paper were excerpted from "Code Generation to Support Efficient Accurate Garbage Collection of C++ on Stock Hardware", a paper currently being prepared for publication by Kelvin Nilsen, Ravichandran Ganesan, Satish Guggilla, Satish Kumar, and Kannan Narasimhan