Sciweavers

5005 search results - page 644 / 1001
» The Design and Analysis of Parallel Algorithms
Sort
View
PODS
2011
ACM
238views Database» more  PODS 2011»
14 years 9 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 25 days 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 25 days 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 23 days 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