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» The Design and Analysis of Parallel Algorithms
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PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 10 months ago
Beyond simple aggregates: indexing for summary queries
Database queries can be broadly classified into two categories: reporting queries and aggregation queries. The former retrieves a collection of records from the database that mat...
Zhewei Wei, Ke Yi
ISCAS
2008
IEEE
141views Hardware» more  ISCAS 2008»
16 years 1 months ago
Reduced Z-datapath Cordic Rotator
In this article we propose a novel scheme based on virtually scaling-free COordinate Rotation DIgital Computer (CORDIC) algorithm to design a hardware efficient CORDIC rotator. Fo...
Koushik Maharatna, Karim El-Shabrawy, Bashir M. Al...
ASAP
2006
IEEE
110views Hardware» more  ASAP 2006»
16 years 1 months ago
Loop Transformation Methodologies for Array-Oriented Memory Management
Abstract – The storage requirements in data-dominant signal processing systems, whose behavior is described by arraybased, loop-organized algorithmic specifications, have an imp...
Florin Balasa, Per Gunnar Kjeldsberg, Martin Palko...
ASAP
2006
IEEE
106views Hardware» more  ASAP 2006»
16 years 1 months ago
Throughput Optimized SHA-1 Architecture Using Unfolding Transformation
In this paper, we analyze the theoretical delay bound of the SHA-1 algorithm and propose architectures to achieve high throughput hardware implementations which approach this boun...
Yong Ki Lee, Herwin Chan, Ingrid Verbauwhede
ISPDC
2006
IEEE
16 years 1 months ago
Optimistically Terminating Consensus: All Asynchronous Consensus Protocols in One Framework
Optimistically Terminating Consensus (OTC) is a variant of Consensus that decides if all correct processes propose the same value. It is surprisingly easy to implement: processes ...
Piotr Zielinski