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Energy-Aware Memory Management for Embedded Multimedia Systems
book

Energy-Aware Memory Management for Embedded Multimedia Systems

by Florin Balasa, Dhiraj K. Pradhan
November 2011
Intermediate to advanced content levelIntermediate to advanced
359 pages
11h 16m
English
Chapman and Hall/CRC
Content preview from Energy-Aware Memory Management for Embedded Multimedia Systems
The Power of Polyhedra 47
Rays
Lines
Inequalities
Equalities
Rays
Lines
Inequalities
Equalities
Polyhedron C
Transformed
Constraints
T
T
Sat
Dual
Polyhedron A
Rays
Compute
Dual
Reduce
Constraints
Figure 2.8 Computation of preimage.
2.4.9 Preimage
Preimage is the inverse operation of image. That is, given a domain D
defined
as
D
= {x
|A
x
0,x
= R
,A
R
0, 0}
and a transformation T , find the domain D which when transformed by T
gives D
. The relation x
= Tx still holds. (Refer again to Figure 2.6.) The
result D is
D = {x |A
Tx 0,x= R,A
TR 0, 0}
= {x |Ax 0,x= R,AR 0, 0}
In the result, A = A
T and R = dual(A). This procedure is illustrated in
Figure 2.8. ...
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Publisher Resources

ISBN: 9781439814017