cache conflict

You are here: irt.org | FOLDOC | cache conflict

<storage> A sequence of accesses to memory repeatedly overwriting the same cache entry. This can happen if two blocks of data, which are mapped to the same set of cache locations, are needed simultaneously.

For example, in the case of a direct mapped cache, if arrays A, B, and C map to the same range of cache locations, thrashing will occur when the following loop is executed:

	for (i=1; iCache conflict can also occur between a program loop and the
data it is accessing.
See also ping-pong.
(1997-01-21)
Nearby terms: cache « cache block « cache coherency « cache conflict » cache consistency » cache hit » cache line
FOLDOC, Topics, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, ?, ALL
©2018 Martin Webb