中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

11 records (took 0.017 seconds)

    BLOCK CLEANUP: PAGE RECLAMATION PROCESS TO REDUCE GARBAGE COLLECTION OVERHEAD IN DUAL-PROGRAMMABLE NAND FLASH DEVICES
    2.
    发明申请
    BLOCK CLEANUP: PAGE RECLAMATION PROCESS TO REDUCE GARBAGE COLLECTION OVERHEAD IN DUAL-PROGRAMMABLE NAND FLASH DEVICES 审中-公开

    公开(公告)号：US20170344307A1

    公开(公告)日：2017-11-30

    申请号：US15405227

    申请日：2017-01-12

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Narges SHAHIDI ,  Manu AWASTHI ,  Tameesh SURI ,  Vijay BALAKRISHNAN

    IPC: G06F3/06

    Abstract: According to one general aspect, an apparatus may include a memory, an erasure-based, non-volatile memory, and a processor. The memory may be configured to store a mapping table, wherein the mapping table indicates a rewriteable state of a plurality of memory addresses. The erasure-based, non-volatile memory may be configured to store information, at respective memory addresses, in an encoded format. The encoded format may include more bits than the unencoded version of the information and the encoded format may allow the information be over-written, at least once, without an intervening erase operation. The processor may be configured to perform garbage collection based, at least in part upon, the rewriteable state associated with the respective memory addresses.

    BLOCK CLEANUP: PAGE RECLAMATION PROCESS TO REDUCE GARBAGE COLLECTION OVERHEAD IN DUAL-PROGRAMMABLE NAND FLASH DEVICES
    3.
    发明申请
    BLOCK CLEANUP: PAGE RECLAMATION PROCESS TO REDUCE GARBAGE COLLECTION OVERHEAD IN DUAL-PROGRAMMABLE NAND FLASH DEVICES 审中-公开

    公开(公告)号：US20200278805A1

    公开(公告)日：2020-09-03

    申请号：US16875986

    申请日：2020-05-15

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Narges SHAHIDI ,  Manu AWASTHI ,  Tameesh SURI ,  Vijay BALAKRISHNAN

    IPC: G06F3/06

    Abstract: According to one general aspect, an apparatus may include a memory, an erasure-based, non-volatile memory, and a processor. The memory may be configured to store a mapping table, wherein the mapping table indicates a rewriteable state of a plurality of memory addresses. The erasure-based, non-volatile memory may be configured to store information, at respective memory addresses, in an encoded format. The encoded format may include more bits than the unencoded version of the information and the encoded format may allow the information be over-written, at least once, without an intervening erase operation. The processor may be configured to perform garbage collection based, at least in part upon, the rewriteable state associated with the respective memory addresses.

    AUTOMATIC STREAM DETECTION & ASSIGNMENT ALGORITHM
    4.
    发明申请
    AUTOMATIC STREAM DETECTION & ASSIGNMENT ALGORITHM 审中-公开

    公开(公告)号：US20200249839A1

    公开(公告)日：2020-08-06

    申请号：US16856020

    申请日：2020-04-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jingpei YANG ,  Changho CHOI ,  Rajinikanth PANDURANGAN ,  Vijay BALAKRISHNAN ,  Ramaraj PANDIAN

    IPC: G06F3/06 ,  G06F12/02 ,  G06F13/18

    Abstract: A Solid State Drive (SSD) is disclosed. The SSD may include flash memory to store data and may support a plurality of device streams. A SSD controller may manage reading and writing data to the flash memory, and may store a submission queue and a chunk-to-stream mapper. A flash translation layer may include a receiver to receive a write command, an LBA mapper to map an LBA to a chunk identifier (ID), stream selection logic to select a stream ID based on the chunk ID, a stream ID adder to add the stream ID to the write command, a queuer to place the chunk ID in the submission queue, and background logic to update the chunk-to-stream mapper after the chunk ID is removed from the submission queue.

    MULTI-BIT DATA REPRESENTATION FRAMEWORK TO ENABLE DUAL PROGRAM OPERATION ON SOLID-STATE FLASH DEVICES
    5.
    发明申请
    MULTI-BIT DATA REPRESENTATION FRAMEWORK TO ENABLE DUAL PROGRAM OPERATION ON SOLID-STATE FLASH DEVICES 审中-公开

    公开(公告)号：US20170344487A1

    公开(公告)日：2017-11-30

    申请号：US15217964

    申请日：2016-07-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Narges SHAHIDI ,  Tameesh SURI ,  Manu AWASTHI ,  Vijay BALAKRISHNAN

    IPC: G06F12/10

    Abstract: According to one general aspect, an apparatus may include a host interface, a memory, a processor, and an erasure-based, non-volatile memory. The host interface may receive a write command, wherein the write command includes unencoded data. The memory may store a mapping table, wherein the mapping table indicates a rewriteable state of a plurality of memory addresses. The processor may select a memory address to store information included by the unencoded data based, at least in part, upon the rewriteable state of the memory address. The erasure-based, non-volatile memory may store, at the memory address, the unencoded data's information as encoded data, wherein the encoded data includes more bits than the unencoded data and wherein the encoded data can be over-written with a second unencoded data without an intervening erase operation.

    AUTOMATIC I/O STREAM SELECTION FOR STORAGE DEVICES
    6.
    发明申请
    AUTOMATIC I/O STREAM SELECTION FOR STORAGE DEVICES 审中-公开

    公开(公告)号：US20170228188A1

    公开(公告)日：2017-08-10

    申请号：US15098111

    申请日：2016-04-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sina HASSANI ,  Anahita SHAYESTEH ,  Vijay BALAKRISHNAN

    IPC: G06F3/06

    CPC classification number: G06F3/0679 ,  G06F3/06 ,  G06F3/0616 ,  G06F3/0652 ,  G06F3/0659 ,  G06F3/0688

    Abstract: A method of selecting among a plurality of I/O streams through which data is to be written to a multi-streaming flash storage device is presented. According to an example embodiment, the method comprises: assigning write sequences of similar length to the same I/O streams; receiving instructions for a write operation, the instructions including a starting logical block address (LBA) and a number of blocks of data to be written; determining whether the write operation is part of an existing write sequence; identifying an I/O stream associated with an existing write sequence; and providing a stream ID of the identified I/O stream to the multi-streaming flash storage device.

Patent Agency Ranking