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VLSISP
2008
173views more  VLSISP 2008»
13 years 7 months ago
Fast Bit Gather, Bit Scatter and Bit Permutation Instructions for Commodity Microprocessors
Advanced bit manipulation operations are not efficiently supported by commodity word-oriented microprocessors. Programming tricks are typically devised to shorten the long sequence...
Yedidya Hilewitz, Ruby B. Lee
CGO
2006
IEEE
14 years 1 months ago
Fast and Effective Orchestration of Compiler Optimizations for Automatic Performance Tuning
Although compile-time optimizations generally improve program performance, degradations caused by individual techniques are to be expected. One promising research direction to ove...
Zhelong Pan, Rudolf Eigenmann
GECCO
2006
Springer
135views Optimization» more  GECCO 2006»
13 years 11 months ago
The no free lunch and realistic search algorithms
The No-Free-Lunch theorems (NFLTs) are criticized for being too general to be of any relevance to the real world scenario. This paper investigates, both formally and empirically, ...
Yossi Borenstein, Riccardo Poli
SODA
2004
ACM
155views Algorithms» more  SODA 2004»
13 years 9 months ago
Navigating nets: simple algorithms for proximity search
d Abstract] Robert Krauthgamer James R. Lee We present a simple deterministic data structure for maintaining a set S of points in a general metric space, while supporting proximit...
Robert Krauthgamer, James R. Lee
SIGIR
2009
ACM
14 years 2 months ago
Compressing term positions in web indexes
Large search engines process thousands of queries per second on billions of pages, making query processing a major factor in their operating costs. This has led to a lot of resear...
Hao Yan, Shuai Ding, Torsten Suel