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CORR
2010
Springer
66views Education» more  CORR 2010»
14 years 9 months ago
A Unique "Nonnegative" Solution to an Underdetermined System: from Vectors to Matrices
Abstract--This paper investigates the uniqueness of a nonnegative vector solution and the uniqueness of a positive semidefinite matrix solution to underdetermined linear systems. A...
Meng Wang, Weiyu Xu, Ao Tang

Presentation
439views
13 years 5 months ago
Efficient Evaluation Methods of Elementary Functions Suitable for SIMD Computation
Data-parallel architectures like SIMD (Single Instruction Multiple Data) or SIMT (Single Instruction Multiple Thread) have been adopted in many recent CPU and GPU architectures. Al...
PPOPP
2009
ACM
15 years 11 months ago
Serialization sets: a dynamic dependence-based parallel execution model
This paper proposes a new parallel execution model where programmers augment a sequential program with pieces of code called serializers that dynamically map computational operati...
Matthew D. Allen, Srinath Sridharan, Gurindar S. S...
CASES
2008
ACM
15 years 1 months ago
Efficient vectorization of SIMD programs with non-aligned and irregular data access hardware
Automatic vectorization of programs for partitioned-ALU SIMD (Single Instruction Multiple Data) processors has been difficult because of not only data dependency issues but also n...
Hoseok Chang, Wonyong Sung
MICRO
2005
IEEE
133views Hardware» more  MICRO 2005»
15 years 4 months ago
Wish Branches: Combining Conditional Branching and Predication for Adaptive Predicated Execution
Predicated execution has been used to reduce the number of branch mispredictions by eliminating hard-to-predict branches. However, the additional instruction overhead and addition...
Hyesoon Kim, Onur Mutlu, Jared Stark, Yale N. Patt