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Row Based Cyclic Distribution
Cyclic Distribution of Columns
Memory accessed in form of cache lines of
c
words each.
Each processor actually reads
cn/p
columns of
A
and
C
.
But each procesor also modifies
C
.
False sharing
->
many cache conflicts on
C
!
Inefficient solution!
Author:
Wolfgang Schreiner
Last Modification: October 27, 1997
