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Science 1 October 1999:
Vol. 286. no. 5437, p. 35
DOI: 10.1126/science.286.5437.35
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News Focus

COMPUTER SCIENCE:
'Self-Tuning' Software Adapts to Its Environment

Barry Cipra

New "self-tuning" software probes the capabilities of the hardware it's running on and generates code that takes advantage of what it finds. The software--mostly designed for scientific computation--creates subroutines for common computational tasks, such as multiplying matrices. The gain in efficiency from such subroutines can be dramatic, computer scientists say, offering up to 300% improvement in performance over "portable" codes that run on a wide range of machines.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)