# Recent questions tagged load-back-cache

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In the memory access time formula for the hierarchical cache - which is given as :$Emat = H1\times T1 + (1-H1)(H2\times (T1+T2) + (1-H2)\times (T1+T2+T3))$ (where Hi = Hit Ratio for the i-th level cache and Ti = Access time for i-th level ... been transferred into the cache. Is my intuition correct? If yes, then what should be the Emat formula for Load Back cache ? Should we add extra Ti values?
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