Samsung Electronics Co., Ltd.

Hingkwan Huen

Changho Choi

Jianjian Huo

Derrick Tseng

Praveen Krishnamoorthy

Chang-Eun Choi

Yang Yu

Karnik Shah

Bin Lu

Ramdas P Kachare

Oscar Prem Pinto

Jason Martineau

Vijay Balakrishnan

Jingpei Yang

Vishwanath Maram

Xuebin Yao

Manu Awasthi

Jimmy K Lau

Janki Bhimani

William Martin

Howard R Butler

Danqing Jin

An interface for enabling a computer device to utilize data property-based data placement inside a nonvolatile memory device comprises: executing a software component at an operating system level in the computer device that monitors update statistics of all data item modifications into the nonvolatile memory device, including one or more of update frequencies for each data item, accumulated update and delete frequencies specific to each file type, and an origin of the data item; storing the update statistics of each of the data items and each of the data item types in a database; and intercepting all operations, including create, write, and update, of performed by applications to all the data items, and automatically assigning a data property identifier to each of the data items based on current update statistics in the database, such that the data items and assigned data property identifiers are transmitted over a memory channel.

Heuristic interface for enabling a computer device to utilize data property-based data placement inside a nonvolatile memory device

A device is described. The device may include a connector to connect the device to a component. The device may also include a computational storage unit. A receiver may receive a discovery request from a discovery service, and a transmitter may transmit a discovery response to the discovery service, the discovery response including information about the computational storage unit.

Mechanism to discover computational storage functions and devices

A multi-function device is disclosed. A first port may be used to communicate with a host processor. A second port may be used to communicate with a storage device. A third port may be used to communicate with a computational storage unit. Circuit may be used to route a message from the host processor to at least one of the storage device or the computational storage unit.

Multi-function flexible computational storage device

A system and method for satisfying Quality of Service (QoS) attributes for a stream using a storage device with multi-stream capability is described. The storage device may include memory to store data. A host interface may receive requests, some of which may be associated with a stream. A host interface layer may schedule the requests in a manner that may satisfy the QoS attribute for the stream.

Multi-stream SSD QOS management

An interface for enabling a computer device to utilize data property-based data placement inside a nonvolatile memory device comprises: executing a software component at an operating system level in the computer device that monitors update statistics of all data item modifications into the nonvolatile memory device, including one or more of update frequencies for each data item, accumulated update and delete frequencies specific to each file type, and an origin of the data item; storing the update statistics of each of the data items and each of the data item types in a database; and intercepting all operations, including create, write, and update, of performed by applications to all the data items, and automatically assigning a data property identifier to each of the data items based on current update statistics in the database, such that the data items and assigned data property identifiers are transmitted over a memory channel to the non-volatile memory device.

A multi-port memory device in communication with a controller includes a memory array for storing data provided by the controller, a first port coupled to the controller via a first controller channel, a second port coupled to the controller via a second controller channel, a processor, and a processor memory local to the processor, wherein the processor memory has stored thereon instructions that, when executed by the processor, cause the processor to: enable data transfer through the first port and/or the second port in response to a first control signal received from the first controller channel and/or a second control signal received from second controller channel, decode at least one of the received first and second control signals to identify a data operation to perform, the identified data operation including a read or write operation from or to the memory array, and execute the identified data operation.

Multi-port memory device and a method of using the same

Multi-stream SSD QoS management

Example embodiments are described for data property-based data placement inside a nonvolatile memory device performed by a storage controller of the nonvolatile memory device. In one aspect, the embodiments include: executing a software component on the computer device that detects at least one of an executing application and a hardware device connecting to the computing device; responsive to detecting the at least one executing application and the hardware device, searching, by the software component, a workflow repository to find a predetermined workflow associated with the at least one executing application and the hardware device, wherein the predetermined workflow associates predefined data property identifiers to different types of data items written to the nonvolatile memory device by the executing application or the hardware device; comparing, by the software component, activities of the at least one executing application and the hardware device to the predetermined workflow; and using the predetermined workflow to automatically assign the data property identifiers to the data items used by the application or the hardware device, such that the data items and assigned data property identifiers are transmitted over a channel to the nonvolatile memory device for storage wherein the nonvolatile memory device reads the data property identifiers and identifies which blocks of the nonvolatile memory device to store the corresponding data items, such that the data items having the same data property identifiers are stored in a same block.

Data property-based data placement in a nonvolatile memory device

A Solid State Drive (SSD) is disclosed. The SSD may include a flash memory to store data and support for a number of device streams. The SSD may also include an SSD controller to manage reading data from and writing data to the flash memory. The SSD may also include a host interface logic, which may include a receiver to receive the commands associated with software streams from a host, a timer to time a window, a statistics collector to determine values for at least one criterion for the software streams from the commands, a ranker to rank the software streams according to the values, and a mapper to establish a mapping between the software streams and device streams.

Method of consolidating data streams for multi-stream enabled SSDs

Method of consolidate data streams for multi-stream enabled SSDs

A system and method for satisfying Quality of Service (QoS) attributes () for a stream () using a storage device () with multi-stream capability is described. The storage device () may include memory () to store data. A host interface () may receive requests (), some of which may be associated with a stream (). A host interface layer () may schedule the requests () in a manner that may satisfy the QoS attribute () for the stream ().

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Daly City, CA, United States of America

Hingkwan Huen