公开(公告)号：WO2017136220A1

公开(公告)日：2017-08-10

申请号：PCT/US2017/015182

申请日：2017-01-26

Applicant: QUALCOMM INCORPORATED

Inventor： GUHA, Valmick ,  AGARAM, Narasimhan ,  NARAHARI, Ranjith Kumar ,  CHUN, Dexter

IPC: G06F12/02

CPC classification number: G06F3/0616 ,  G06F3/0649 ,  G06F3/0688 ,  G06F12/0246

Abstract: Systems and methods are disclosed for ensuring a target lifetime of a memory device coupled to an SoC of a computing device, the SoC including a central processing unit (CPU) executing an operating system (O/S). A DRAM is coupled to the SoC, and the memory device is configured to receive page swaps from the DRAM. A swap lifetime controller (SLC) in communication with the O/S is configured to determine a number of page swaps for the memory device during a time interval. A learning prediction system (LPS) in communication with the SLC is configured to determine a target number of page swaps (target_swap) to the memory device and a remaining life of the memory device (remaining_life_of_device). The SLC determines the number of page swaps based on the target_swap and remaining_life_of_device.

Abstract translation: 公开了用于确保耦合到计算设备的SoC的存储器设备的目标生命周期的系统和方法，所述SoC包括执行操作系统（O / S）的中央处理单元（CPU） 。 DRAM耦合到SoC，并且存储器装置被配置为从DRAM接收页面交换。 与O / S通信的交换生存期控制器（SLC）被配置为在一段时间间隔期间确定存储器设备的页面交换次数。 与SLC通信的学习预测系统（LPS）被配置为确定到存储器设备的目标页面交换次数（target_swap）和存储器设备的剩余寿命（remaining_life_of_device）。 SLC根据target_swap和remaining_life_of_device确定页面交换次数。