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Phase Change Memory (PCM) is emerging as a promising technology to build large-scale main memory systems in a cost-effective manner. A characteristic of PCM is that it has write latency much higher than read latency. A higher write latency can typically be tolerated using buffers. However, once a write request is scheduled for service to a bank, it can still cause increased latency for later arriving...
Caches are organized at a line-size granularity to exploit spatial locality. However, when spatial locality is low, many words in the cache line are not used. Unused words occupy cache space but do not contribute to cache hits. Filtering these words can allow the cache to store more cache lines. We show that unused words in a cache line are unlikely to be accessed in the less recent part of the LRU...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.