Controller, data storage device, and program product
    1.
    发明公开
    Controller, data storage device, and program product 审中-公开
    Steuergerät,Datenspeichervorrichtung und Programmprodukt

    公开(公告)号:EP2367100A3

    公开(公告)日:2014-05-07

    申请号:EP11156162.7

    申请日:2011-02-28

    IPC分类号: G06F12/02 G06F12/00 G06F3/06

    摘要: According to one embodiment, a write instructing unit instructs a data access unit to write, in a storage area of a data storage unit indicated by a first physical address, write object data, instructs a management information access unit to update address conversion information, and instructs a first access unit to update the first physical address. A compaction unit extracts a physical address of compaction object data, instructs the data access unit to read the compaction object data stored in a storage area of the data storage unit indicated by the physical address, instructs the data access unit to write the compaction object data in a storage area of the data storage unit indicated by a second physical address, instructs the management information access unit to update the address conversion information, and instructs a second access unit to update the second physical address.

    摘要翻译: 根据一个实施例,写指令单元指示数据存取单元在由第一物理地址指示的数据存储单元的存储区中写入写对象数据,指示管理信息存取单元更新地址转换信息,以及 指示第一个访问单元更新第一个物理地址。 压缩单元提取压缩对象数据的物理地址,指示数据访问单元读取由物理地址指示的数据存储单元的存储区域中存储的压缩对象数据,指示数据存取单元写入压缩对象数据 在由第二物理地址指示的数据存储单元的存储区域中,指示管理信息存取单元更新地址转换信息,并指示第二存取单元更新第二物理地址。

    Semiconductor memory device
    4.
    发明公开
    Semiconductor memory device 审中-公开
    Halbleiterspeichervorrichtung

    公开(公告)号:EP2360595A1

    公开(公告)日:2011-08-24

    申请号:EP11154492.0

    申请日:2011-02-15

    IPC分类号: G06F12/02

    CPC分类号: G06F12/0246 G06F2212/7205

    摘要: According to one embodiment, a semiconductor memory device performs writing of data to a semiconductor memory element in response to a request to write the data with a specified logical block address from a host and performs writing of valid data to the semiconductor memory element for compaction according to a log-structured method. The semiconductor memory device adjusts a frequency of the writing response to a request from the host and a frequency of the writing for compaction according to a predetermined ratio.

    摘要翻译: 根据一个实施例,半导体存储器件响应于从主机以指定的逻辑块地址写入数据的请求,执行数据到半导体存储器元件的写入,并且执行将有效数据写入半导体存储元件以进行压缩 以日志结构的方式。 半导体存储器装置根据预定比例调整来自主机的请求的写入响应的频率和用于压缩的写入频率。

    Controller and memory system
    5.
    发明公开
    Controller and memory system 审中-公开
    Steuerung und Speichersystem

    公开(公告)号:EP2230604A1

    公开(公告)日:2010-09-22

    申请号:EP09169474.5

    申请日:2009-09-04

    IPC分类号: G06F12/02

    摘要: A controller (10;110) includes a storage (32) for a translation table showing logical and physical addresses in a flash memory (11) in correspondence with one another; another storage (34) storing FAT information indicating the state of data stored in each of pages contained in each of blocks and FAT information identifiers each identifying a block to which pages each storing therein the data in the state indicated by the FAT information belong, while keeping them in correspondence with one another; yet another storage (36) for a block management table showing block identifiers, use-state judging information indicating whether the corresponding block is used/unused, and the FAT information identifiers corresponding to all the blocks indicated as being used by the use-state judging information, while keeping them in correspondence with one another; and a controller controlling unit (28;128) managing data stored in the flash memory (11) by using the translation table, the FAT information, and the block management table.

    摘要翻译: 控制器(10; 110)包括用于转换表的存储器(32),该存储器显示闪速存储器(11)中彼此对应的逻辑和物理地址; 存储指示存储在每个块中的每个页面中存储的数据的状态的FAT信息和FAT信息标识符,每个FAT信息标识符标识由FAT信息指示的状态中存储有数据的页面所属的块,同时 保持彼此对应; 另一个用于表示块标识符的块管理表的存储器(36),表示对应的块是否被使用/使用的使用状态判断信息,以及与使用状态判断使用的所有块对应的FAT信息标识符 信息,同时保持彼此对应; 以及通过使用转换表,FAT信息和块管理表来管理存储在闪速存储器(11)中的数据的控制器控制单元(28; 128)。

    Method and system for real-time scheduling
    6.
    发明公开
    Method and system for real-time scheduling 审中-公开
    方法和系统实时调度

    公开(公告)号:EP1519269A3

    公开(公告)日:2006-08-23

    申请号:EP04021572.5

    申请日:2004-09-10

    IPC分类号: G06F9/46

    CPC分类号: G06F9/4881

    摘要: An information processing system performs a plurality of tasks within a specific time interval. The system includes a bus (13), a plurality of processors (12) which transfer data via the bus (13), and a unit for performing a scheduling operation of determining execution start timing of each of the tasks and at least one of the processors (12) which executes the tasks, based on cost information concerning a time required to perform each of the tasks and bandwidth information concerning a data transfer bandwidth required by each of the tasks, to perform the tasks within the specific time interval without overlapping execution terms of at least two tasks of the tasks, the two tasks requiring data transfer bandwidths not less than those of the others of the tasks.

    Semiconductor memory device
    8.
    发明公开
    Semiconductor memory device 有权
    半导体存储器件

    公开(公告)号:EP2375330A1

    公开(公告)日:2011-10-12

    申请号:EP11156395.3

    申请日:2011-03-01

    IPC分类号: G06F11/10

    CPC分类号: G06F11/1048

    摘要: According to one embodiment, a semiconductor memory device includes semiconductor memory chips having writable storage regions in which data is written. The data has one or more pieces of first data, and one or more pieces of the first data includes second data. The device includes a determining unit that determines a prescribed number or fewer of semiconductor memory chips to which the first date is written; a write controller that writes the the first data and redundant information calculated from the second data and used for correcting an error in the second data into the writable storage regions in the determined semiconductor memory chips; and a storage unit that stores identification information and region specifying information associated with each other. The identification information associates the second data and the redundant information, and the regions specifying information specifies the storage regions in the semiconductor memory chips to which the first data included in the second data and the redundant information are written.

    摘要翻译: 根据一个实施例,半导体存储器件包括具有写入数据的可写入存储区域的半导体存储器芯片。 数据具有一条或多条第一数据,并且一条或多条第一数据包括第二数据。 该装置包括确定单元,该确定单元确定写入第一日期的规定数量或更少的半导体存储器芯片; 写入控制器,其将从所述第二数据中计算出的用于校正所述第二数据中的错误的所述第一数据和冗余信息写入到所确定的所述半导体存储器芯片中的所述可写入存储区域中; 以及存储单元,其存储彼此相关联的标识信息和区域指定信息。 识别信息将第二数据和冗余信息相关联,并且区域指定信息指定写入包括在第二数据中的第一数据和冗余信息的半导体存储芯片中的存储区域。

    Method and system for performing real-time operation
    9.
    发明公开
    Method and system for performing real-time operation 审中-公开
    一种用于执行实时操作的方法和系统

    公开(公告)号:EP1622015A3

    公开(公告)日:2007-10-17

    申请号:EP04016114.3

    申请日:2004-07-08

    IPC分类号: G06F9/46

    摘要: An information processing system performs a real-time operation periodically at specific time intervals. The system includes a unit for performing a scheduling operation of assigning the real-time operation to a processor (12) to perform the real-time operation periodically at the specific time intervals by the processor (12), a unit for computing a ratio of an execution time of the real-time operation to be performed by the processor (12) at a first operating speed to each of the specific time intervals, based on the specific time intervals and cost information concerning a time required to perform the real-time operation by the processor (12) at the first operating speed, and a unit for performing an operating speed control operation to operate the processor at a second operating speed that is lower than the first operating speed, the second operating speed being determined based on the computed ratio.

    Method and system for performing real-time operation
    10.
    发明公开
    Method and system for performing real-time operation 审中-公开
    Verfahren und System zumAusführenvon einer Echtzeit-Operation

    公开(公告)号:EP1622015A2

    公开(公告)日:2006-02-01

    申请号:EP04016114.3

    申请日:2004-07-08

    IPC分类号: G06F9/46

    摘要: An information processing system performs a real-time operation periodically at specific time intervals. The system includes a unit for performing a scheduling operation of assigning the real-time operation to a processor (12) to perform the real-time operation periodically at the specific time intervals by the processor (12), a unit for computing a ratio of an execution time of the real-time operation to be performed by the processor (12) at a first operating speed to each of the specific time intervals, based on the specific time intervals and cost information concerning a time required to perform the real-time operation by the processor (12) at the first operating speed, and a unit for performing an operating speed control operation to operate the processor at a second operating speed that is lower than the first operating speed, the second operating speed being determined based on the computed ratio.

    摘要翻译: 信息处理系统以特定的时间间隔周期性地执行实时操作。 该系统包括用于执行将实时操作分配给处理器(12)以由处理器(12)以特定时间间隔周期性地执行实时操作的调度操作的单元,用于计算处理器 基于具体的时间间隔和关于执行实时所需的时间的成本信息,由处理器(12)以第一操作速度执行到每个特定时间间隔的实时操作的执行时间 处理器(12)以第一操作速度进行的操作,以及用于执行操作速度控制操作的单元,以在低于第一操作速度的第二操作速度下操作处理器,第二操作速度基于 计算比。