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公开(公告)号：US09727452B2
公开(公告)日：2017-08-08
申请号：US12335499
申请日：2008-12-15
申请人： Vijay Karamcheti , Ashish Singhai
发明人： Vijay Karamcheti , Ashish Singhai
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F2212/1032 , G06F2212/7207 , G06F2212/7208
摘要： Metadata that corresponds to application data is distributed across different disruption regions of an asymmetric memory component such that metadata is written in the same disruption region as the application data to which it corresponds. A first block of application data is written to a first disruption region and a second block of application data is written to a second disruption region. A first block of metadata corresponding to the first block of application data and a second block of metadata corresponding to the second block of application data both are generated. The first block of metadata is written to the first disruption region and the second block of metadata is written to the second disruption region such that the first and second blocks of metadata are written to the same disruption regions as the blocks of application data to which they correspond.
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公开(公告)号：US08555024B2
公开(公告)日：2013-10-08
申请号：US13443121
申请日：2012-04-10
IPC分类号： G06F13/00
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： Data stored within symmetric and asymmetric memory components of main memory is integrated by identifying a first data as having access characteristics suitable for storing in an asymmetric memory component. The first data is included among a collection of data to be written to the asymmetric memory component. An amount of data is identified within the collection of data to be written to the asymmetric memory component. The amount of data is compared within the collection of data to a volume threshold to determine whether a block write to the asymmetric memory component is justified by the amount of data. If justified, the collection of data is loaded to the asymmetric memory component.
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公开(公告)号：US20080109593A1
公开(公告)日：2008-05-08
申请号：US11935281
申请日：2007-11-05
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： A memory controller writes to a virtual address associated with data residing within an asymmetric memory component of main memory that is within a computer system and that has a symmetric memory component, while preserving proximate other data residing within the asymmetric memory component. The symmetric memory component within the main memory of the computer system is configured to enable random access write operations in which an address within a block of the symmetric memory component is written without affecting the availability of other addresses within the block of the symmetric memory component during the writing of that address. The asymmetric memory component is configured to enable block write operations in which writing to an address within a region of the asymmetric memory component affects the availability of other addresses within the region of the asymmetric memory component during the block write operations involving the address.
摘要翻译： 存储器控制器写入与驻留在计算机系统内的主存储器的非对称存储器组件内的数据相关联的虚拟地址，并且具有对称存储器组件，同时保留驻留在非对称存储器组件内的邻近其他数据。 计算机系统的主存储器内的对称存储器组件被配置为实现随机存取写入操作，其中写入对称存储器组件的块内的地址而不影响对称存储器组件的块内的其他地址的可用性 写这个地址。 非对称存储器组件被配置为启用块写入操作，其中对非对称存储器组件的区域内的地址的写入在涉及地址的块写入操作期间影响非对称存储器组件的区域内的其他地址的可用性。
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公开(公告)号：US20080109592A1
公开(公告)日：2008-05-08
申请号：US11935254
申请日：2007-11-05
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： A command from an application is received to access a data structure associated with one or more virtual addresses mapped to main memory. A first subset of the virtual addresses for the data structure having constituent addresses that are mapped to the symmetric memory components and a second subset of the virtual addresses for the data structure having constituent addresses that are mapped to the asymmetric memory components are identified. Data associated with the virtual address from the first physical addresses and data associated with the virtual addresses from the second physical addresses are accessed. The data associated with the symmetric and asymmetric memory components is accessed by the application without providing the application with an indication of whether the data is accessed within the symmetric memory component or the asymmetric memory component.
摘要翻译： 接收来自应用程序的命令以访问与映射到主存储器的一个或多个虚拟地址相关联的数据结构。 识别具有映射到对称存储器组件的组成地址的数据结构的虚拟地址的第一子集以及具有映射到非对称存储器组件的组成地址的数据结构的虚拟地址的第二子集。 访问与来自第一物理地址的虚拟地址相关联的数据和与来自第二物理地址的虚拟地址相关联的数据。 与对称和非对称存储器组件相关联的数据被应用程序访问，而不向应用程序提供在对称存储器组件或非对称存储器组件内是否访问数据的指示。
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公开(公告)号：US20140281133A1
公开(公告)日：2014-09-18
申请号：US13838699
申请日：2013-03-15
IPC分类号： G06F12/02
CPC分类号： G06F3/061 , G06F3/0611 , G06F3/0655 , G06F3/0659 , G06F3/0679 , G06F3/0688 , G06F9/4881 , G06F9/5016 , G06F12/0246 , G06F2212/7206 , G06F2212/7208
摘要： Some implementations include a method of managing a hosted non-volatile random-access memory (NVRAM) based storage subsystem that includes NVRAM devices. The method includes: receiving, at a device driver on the host computing device, write requests each requesting to write a respective unit of data to the NVRAM-based storage subsystem; categorizing the write requests into subgroups of write requests, where write requests within respective subgroups are mutually exclusive; ascertaining a load condition of each of several of the NVRAM devices of the NVRAM-based storage subsystem; identifying a target location on at least one NVRAM device to service a particular subgroup of write requests according to the ascertained load conditions of the NVRAM devices of the NVRAM-based storage subsystem; and servicing the particular subgroup of write requests by writing the corresponding units of data to the identified target location on the at least one NVRAM device of the NVRAM-based storage subsystem.
摘要翻译： 一些实施方案包括管理基于非易失性随机存取存储器（NVRAM）的存储子系统的方法，该存储子系统包括NVRAM器件。 该方法包括：在主机计算设备上的设备驱动器处，接收每个请求将相应的数据单元写入到基于NVRAM的存储子系统的请求; 将写请求分类为写请求的子组，其中各子组内的写请求是相互排斥的; 确定基于NVRAM的存储子系统的几个NVRAM设备中的每一个的负载状况; 根据所确定的基于NVRAM的存储子系统的NVRAM设备的负载条件，在至少一个NVRAM设备上识别目标位置来服务特定的写请求子组; 以及通过将相应的数据单元写入到基于NVRAM的存储子系统的至少一个NVRAM设备上的所识别的目标位置来为特定的写请求组提供服务。
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公开(公告)号：US08555002B2
公开(公告)日：2013-10-08
申请号：US13443086
申请日：2012-04-10
IPC分类号： G06F13/00
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： Main memory is managed by receiving a command from an application to read data associated with a virtual address that is mapped to the main memory. A memory controller determines that the virtual address is mapped to one of the symmetric memory components of the main memory, and accesses memory use characteristics indicating how the data associated with the virtual address has been accessed, The memory controller determines that the data associated with the virtual address has access characteristics suited to an asymmetric memory component of the main memory and loads the data associated with the virtual address to the asymmetric memory component of the main memory. After the loading and using the memory management unit, a command is received from the application to read the data associated with the virtual address, and the data associated with the virtual address is retrieved from the asymmetric memory component.
摘要翻译： 通过接收来自应用程序的命令来读取与映射到主存储器的虚拟地址相关联的数据来管理主存储器。 存储器控制器确定虚拟地址被映射到主存储器的对称存储器组件中的一个，并且访问指示如何与虚拟地址相关联的数据被访问的存储器使用特性。存储器控制器确定与 虚拟地址具有适合于主存储器的非对称存储器组件的访问特征，并将与虚拟地址相关联的数据加载到主存储器的非对称存储器组件。 在加载和使用存储器管理单元之后，从应用程序接收到用于读取与虚拟地址相关联的数据的命令，并且从非对称存储器组件检索与虚拟地址相关联的数据。
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公开(公告)号：US08205061B2
公开(公告)日：2012-06-19
申请号：US13048012
申请日：2011-03-15
IPC分类号： G06F13/00
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： A command from an application is received to access a data structure associated with one or more virtual addresses mapped to main memory. A first subset of the virtual addresses for the data structure having constituent addresses that are mapped to the symmetric memory components and a second subset of the virtual addresses for the data structure having constituent addresses that are mapped to the asymmetric memory components are identified. Data associated with the virtual address from the first physical addresses and data associated with the virtual addresses from the second physical addresses are accessed. The data associated with the symmetric and asymmetric memory components is accessed by the application without providing the application with an indication of whether the data is accessed within the symmetric memory component or the asymmetric memory component.
摘要翻译： 接收来自应用程序的命令以访问与映射到主存储器的一个或多个虚拟地址相关联的数据结构。 识别具有映射到对称存储器组件的组成地址的数据结构的虚拟地址的第一子集以及具有映射到非对称存储器组件的组成地址的数据结构的虚拟地址的第二子集。 访问与来自第一物理地址的虚拟地址相关联的数据和与来自第二物理地址的虚拟地址相关联的数据。 与对称和非对称存储器组件相关联的数据被应用程序访问，而不向应用程序提供在对称存储器组件或非对称存储器组件内是否访问数据的指示。
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公开(公告)号：US20110173371A1
公开(公告)日：2011-07-14
申请号：US13053371
申请日：2011-03-22
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： A memory controller writes to a virtual address associated with data residing within an asymmetric memory component of main memory that is within a computer system and that has a symmetric memory component, while preserving proximate other data residing within the asymmetric memory component. The symmetric memory component within the main memory of the computer system is configured to enable random access write operations in which an address within a block of the symmetric memory component is written without affecting the availability of other addresses within the block of the symmetric memory component during the writing of that address. The asymmetric memory component is configured to enable block write operations in which writing to an address within a region of the asymmetric memory component affects the availability of other addresses within the region of the asymmetric memory component during the block write operations involving the address.
摘要翻译： 存储器控制器写入与驻留在计算机系统内的主存储器的非对称存储器组件内的数据相关联的虚拟地址，并且具有对称存储器组件，同时保留驻留在非对称存储器组件内的邻近其他数据。 计算机系统的主存储器内的对称存储器组件被配置为实现随机存取写入操作，其中写入对称存储器组件的块内的地址而不影响对称存储器组件的块内的其他地址的可用性 写这个地址。 非对称存储器组件被配置为启用块写入操作，其中对非对称存储器组件的区域内的地址的写入在涉及地址的块写入操作期间影响非对称存储器组件的区域内的其他地址的可用性。
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公开(公告)号：US20100325383A1
公开(公告)日：2010-12-23
申请号：US12853135
申请日：2010-08-09
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： Main memory is managed by receiving a command from an application to read data associated with a virtual address that is mapped to the main memory. A memory controller determines that the virtual address is mapped to one of the symmetric memory components of the main memory, and accesses memory use characteristics indicating how the data associated with the virtual address has been accessed, The memory controller determines that the data associated with the virtual address has access characteristics suited to an asymmetric memory component of the main memory and loads the data associated with the virtual address to the asymmetric memory component of the main memory. After the loading and using the memory management unit, a command is received from the application to read the data associated with the virtual address, and the data associated with the virtual address is retrieved from the asymmetric memory component.
摘要翻译： 通过接收来自应用程序的命令来读取与映射到主存储器的虚拟地址相关联的数据来管理主存储器。 存储器控制器确定虚拟地址被映射到主存储器的对称存储器组件中的一个，并且访问指示如何与虚拟地址相关联的数据被访问的存储器使用特性。存储器控制器确定与 虚拟地址具有适合于主存储器的非对称存储器组件的访问特征，并将与虚拟地址相关联的数据加载到主存储器的非对称存储器组件。 在加载和使用存储器管理单元之后，从应用程序接收到用于读取与虚拟地址相关联的数据的命令，并且从非对称存储器组件检索与虚拟地址相关联的数据。
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公开(公告)号：US07774556B2
公开(公告)日：2010-08-10
申请号：US11935224
申请日：2007-11-05
IPC分类号： G06F12/00
CPC分类号： G06F12/1009 , G06F3/0604 , G06F3/0628 , G06F3/0638 , G06F3/064 , G06F3/0646 , G06F3/0647 , G06F3/068 , G06F3/0685 , G06F9/5016 , G06F12/0207 , G06F12/0223 , G06F12/0292 , G06F12/08 , G06F12/10 , G06F12/121 , G06F12/1475 , G06F13/1657 , G06F13/1694 , G06F2212/205 , G06F2212/657 , Y02D10/13 , Y02D10/14 , Y02D10/22
摘要： Main memory is managed by receiving a command from an application to read data associated with a virtual address that is mapped to the main memory. A memory controller determines that the virtual address is mapped to one of the symmetric memory components of the main memory, and accesses memory use characteristics indicating how the data associated with the virtual address has been accessed, The memory controller determines that the data associated with the virtual address has access characteristics suited to an asymmetric memory component of the main memory and loads the data associated with the virtual address to the asymmetric memory component of the main memory. After the loading and using the memory management unit, a command is received from the application to read the data associated with the virtual address, and the data associated with the virtual address is retrieved from the asymmetric memory component.
摘要翻译： 通过接收来自应用程序的命令来读取与映射到主存储器的虚拟地址相关联的数据来管理主存储器。 存储器控制器确定虚拟地址被映射到主存储器的对称存储器组件中的一个，并且访问指示如何与虚拟地址相关联的数据被访问的存储器使用特性。存储器控制器确定与 虚拟地址具有适合于主存储器的非对称存储器组件的访问特征，并将与虚拟地址相关联的数据加载到主存储器的非对称存储器组件。 在加载和使用存储器管理单元之后，从应用程序接收到用于读取与虚拟地址相关联的数据的命令，并且从非对称存储器组件检索与虚拟地址相关联的数据。
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