论文标题
揭示LPDDR5回忆的真实表现
Unveiling the Real Performance of LPDDR5 Memories
论文作者
论文摘要
LPDDR5是最新的低功率DRAM标准，预计将在各种应用程序字段中使用。供应商发布了比前任LPDDR4高达50％的峰值带宽。在本文中，我们评估了不同LPDDR5配置的最佳和最差的实际带宽利用率，并将结果与相应的LPDDR4配置进行比较。我们还表明，从LPDDR4到LPDDR5的升级并不总是带有带宽优势，并且应避免使用某些LPDDR5配置来进行特定的工作负载。
LPDDR5 is the latest low-power DRAM standard and expected to be used in various application fields. The vendors have published promising peak bandwidths up to 50 % higher than those of the predecessor LPDDR4. In this paper we evaluate the best-case and worst-case real bandwidth utilization of different LPDDR5 configurations and compare the results to corresponding LPDDR4 configurations. We also show that an upgrade from LPDDR4 to LPDDR5 does not always bring a bandwidth advantage and that some LPDDR5 configurations should be avoided for specific workloads.
