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Data-Centric Transformations on Non-Integer Iteration Swarup Kumar Sahoo Gagan Agrawal
 

Summary: Data-Centric Transformations on Non-Integer Iteration
Spaces
Swarup Kumar Sahoo Gagan Agrawal
Department of Computer Science and Engineering
Ohio State University, Columbus OH 43210
sahoo,agrawal @cse.ohio-state.edu
ABSTRACT
Data-centric transformations have been used in recent years to im-
prove locality for several classes of applications. However, the ex-
isting work has applied these transformations for integer iteration
spaces, i.e., the iteration spaces involving loop variables that take
integer values between specified lower and upper bounds. In many
applications, a loop could involve a loop variable which takes val-
ues from a sequence or set of real numbers, strings, or any other
data type. We refer to such iteration spaces as non-integer iteration
spaces.
This paper focuses on the problem of applying data-centric trans-
formations on applications with non-integer iteration spaces. We
first present a general algorithm that uses a hash table. Then, we
show how in many cases, we can exploit the repetitive nature of the

  

Source: Agrawal, Gagan - Department of Computer Science and Engineering, Ohio State University

 

Collections: Computer Technologies and Information Sciences