cache block

cache block

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A given load/store instruction is, thus, not able to exploit all the spatial reuse within a cache block before a miss occurs due to another load/store instruction that uses the same cache block for other data.
If the block is not in the on-chip cache, the secondary cache block is invalidated.
The last two fields (pad1 and pad2) enlarge the structures so each lock-value pair resides in a distinct cache block (assuming that the array lockeddata is allocated starting on a four-word boundary).
This is because a cache block needs to be reserved for the block being prefetched at the time the prefetch is initiated.
More efficient data cache block prefetch lowers system power and boosts system performance by speeding functions such as MemCpy by 6.5 times faster and reducing the total number of system bus read operations by up to 23 percent.
In MLP aware replacement policy, the algorithm computes the MLP-based costing for each cache miss and uses the MLP cost and recency to determine the cache block to be replaced.
Figure 18 presents the architectural configuration of a serializer-deserializer with the FVC unit between the L1-L2 cache block.
This system will make four words transfers to fill a cache block In accordance with input data consisting of main memory capacity [S.sub.2] of 16MB, because 16MB = [2.sup.24] B, address bus will have 24 lines, denoted from 0 to 23, as they are presented in fig.
The replacement unit keeps track of the number of cache blocks belong to each active process, and allocates a new cache block to a process only if its current allocation is below its limit.
This danger is removed by combining these independent matrices into a single compound array so that a single cache block can contain the desired elements.
Determining the exact effect of cooperative caching on the local cache hit rate is difficult; instead, we made the assumption that each forward to the cooperative cache of a client replaced a local cache block, decreasing the size of the local cache.
Assuming a simple, in-order execution unit, the processor will be stalled while it waits for the corresponding cache block to be fetched.