L2 data cache misses
Optimizing matrix multiplication Amitabha Banerjee
... 2) Memory pre-fetch: A lot of cache misses are intrinsic misses [2], during which the L1, L2 caches are being loaded with data from the memory. Pre- fetch can help reduce these ...
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Partial Tag CBF Technique Based Low Power L2 Cache Architecture
... and data access are the major factors of cache power ...the cache architecture with low power consumption and better performance research is being made ...new cache architecture called way- ...
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Locality Driven Memory Hierarchy Optimizations.
... different cache replacement policies under a common framework provided for Cache Replacement Championship (CRC) from JWAC-1 ...3 cache levels: a per- core private 32KB L1 data cache ...
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CAVA: Using Checkpoint-Assisted Value Prediction to Hide L2 Misses
... P, misses in the cache, and predicts that it points to ...the cache miss by the consumer completes and finds that the prediction that it made (P pointing to A[1]) was ...
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Extending Data Prefetching to Cope with Context Switch Misses
... Figure 5.1 (b) and Figure 5.1 (c) show the performance in the presence of a baseline NLP and a Stride Prefetcher respectively. Our scheme still brings 11%-24% respective speedup in these cases. This demonstrates that our ...
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A methodology for speeding up matrix vector multiplication for single/multi core architectures
... and L2 cache is not performance efficient for Intel E6550 and Intel ...Regarding L2, tiling is not efficient because the whole Y and X arrays and several rows of A are of smaller ...of cache ...
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Cache Memory Access Patterns in the GPU Architecture
... intra-warp cache access percentages for L1 and L2 caches. The L1 and L2 cache inter-warp and intra-warp access percentages for all benchmarks are displayed as a column graph in Figure ...the ...
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Characterization of Context Switch Effects on L2 Cache
... the cache in- terference because of the growing processor-memory speed gap [12], and the growing size of working sets [4] and lowest level on-chip ...its data, it suffers extra cache misses, ...
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Scalable Lattice Boltzmann Solvers for CUDA GPU Clusters
... the data throughput between GPU and device memory is stable, only slightly increasing with the size of the ...the data layout in device memory, the increase of the domain size is likely to reduce the amount ...
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The locality-aware adaptive cache coherence protocol
... a cache line and increases the number of remote ...and cache accesses in the follow- ing three ...a cache miss in conventional coherence protocols is replaced by multiple word accesses to the shared ...
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Implementation of Fast Counting L2 Cache Architecture Using Bloom Filter
... on-chip cache systems have been widely adopted in high-performance ...keep data consistence throughout the memory hierarchy, write-through and write-back policies are commonly ...modified cache block ...
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Lagrangian coherent structures and trajectory similarity: two important tools for scientific visualization
... This analysis focuses on the advection of particles initiated at an inflow location, and the characteristics of the results are influenced by the dispersion of particles across the domain. Most practical applications are ...
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Improving the Data Access of Caching Service in Wireless P2p
... Wireless P2P networks, such as ad hoc network, mesh networks, and sensor networks, have received considerable attention due to their potential applications in civilian and military environments such as disaster recovery ...
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Low-Power L2 Cache Architecture for Multiprocessor System on Chip Design
... new cache architecture, called a way-halting cache that reduces the energy while imposing no performance ...way-halting cache is a four-way set-associative cache that stores the four ...
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Analytical modeling of set associative cache behaviour
... To demonstrate the validity and benets of the techniques described, this section presents experimental results obtained using an implementation of the model. Code fragments are expressed in a simple language which allows ...
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Exploiting Address Space Contiguity to Accelerate TLB Miss Handling
... Superscalar microprocessors can speculatively execute only a limited number of instruc- tions as constrained by the size of their reorder buffer. If the instructions after a TLB miss complete quickly, the reorder buffer ...
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Low Complexity Architecture for Similar Tag Bits in Cache Memories Using BWA
... the data path to use the incorrectly matched ...a data integrity problem in a write-back data cache, which holds dirty ...dirty data triggers a fetch and use of stale data from a ...
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4755.pdf
... Graphics Processing Units (GPUs) and other accelerators have become key components of HPC systems. Latency costs to transfer data across the bus between the host processor (CPU) and accelerator can cause major ...
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Survey on cache memory design techniques for low power high performance processor
... phased cache, divides the cache access into two ...no data accesses occur during this ...a data access is performed for the hit ...every cache access. For the first level cache, ...
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OVERVIEW OF MULTICORE, PARALLEL COMPUTING, AND DATA MINING
... Allow data to stay in the cache while being processing by data loops.. Reducing unnecessary cache traffic.[r] ...
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