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    Block cleanup: page reclamation process to reduce garbage collection overhead in dual-programmable NAND flash devices
    2.
    发明授权
    Block cleanup: page reclamation process to reduce garbage collection overhead in dual-programmable NAND flash devices 有权

    公开(公告)号：US11314441B2

    公开(公告)日：2022-04-26

    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.

    Container workload scheduler and methods of scheduling container workloads
    3.
    发明授权
    Container workload scheduler and methods of scheduling container workloads 有权

    公开(公告)号：US10719354B2

    公开(公告)日：2020-07-21

    申请号：US15820856

    申请日：2017-11-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Janki Sharadkumar Bhimani ,  Anand Subramanian ,  Jingpei Yang ,  Vijay Balakrishnan

    IPC: G06F9/48 ,  G06F9/50

    Abstract: A system for scheduling the execution of container workloads from a series of applications and a series of containers of each application. The system includes a processor and a non-transitory computer-readable storage medium having instructions stored thereon, which, when executed by the processor, cause the system to calculate a conflict penalty matrix including a conflict penalty for each potential combination of container workloads of the plurality of containers, and calculate a minimum total conflict penalty of the container workloads and a number of workload batches for executing the container workloads. The number of workload batches is associated with the minimum total conflict penalty. The instructions, when executed by the processor, further cause the system to assign the container workloads to the workload batches based on the minimum total conflict penalty and the number of the workload batches.

    System and method for identifying hot data and stream in a solid-state drive
    6.
    发明授权
    System and method for identifying hot data and stream in a solid-state drive 有权

    公开(公告)号：US10901907B2

    公开(公告)日：2021-01-26

    申请号：US15895797

    申请日：2018-02-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Janki Bhimani ,  Rajinikanth Pandurangan ,  Vijay Balakrishnan ,  Changho Choi

    IPC: G06F12/0888 ,  G06F12/0893 ,  G06F12/1045 ,  H04L9/32

    Abstract: A method for providing a Bloom filter for a multi-stream enabled solid-state drive (SSD) is disclosed. The Bloom filter includes two Bloom filter arrays, a counter corresponding to the two Bloom filter arrays, and a masking logic. The method includes: inserting an element in one or more of the two Bloom filter arrays using a plurality of hash functions; and updating the counter based on the insertion of the element. The method further includes: updating the Bloom filter by inserting one or more additional elements in one or more of the two Bloom filter arrays and updating the counter; and masking a data stored in the Bloom filter with the one or more additional elements to pseudo delete the data using the masking logic and reduce a false positive rate of the Bloom filter.

    Automatic I/O stream selection for storage devices
    7.
    发明授权
    Automatic I/O stream selection for storage devices 有权

    公开(公告)号：US10296264B2

    公开(公告)日：2019-05-21

    申请号：US15098111

    申请日：2016-04-13

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sina Hassani ,  Anahita Shayesteh ,  Vijay Balakrishnan

    IPC: G06F12/12 ,  G06F3/06

    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.

    CONTAINER WORKLOAD SCHEDULER AND METHODS OF SCHEDULING CONTAINER WORKLOADS
    8.
    发明申请
    CONTAINER WORKLOAD SCHEDULER AND METHODS OF SCHEDULING CONTAINER WORKLOADS 审中-公开

    公开(公告)号：US20180365055A1

    公开(公告)日：2018-12-20

    申请号：US15820856

    申请日：2017-11-22

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Janki Sharadkumar Bhimani ,  Anand Subramanian ,  Jingpei Yang ,  Vijay Balakrishnan

    IPC: G06F9/48 ,  G06F9/50

    Abstract: A system for scheduling the execution of container workloads from a series of applications and a series of containers of each application. The system includes a processor and a non-transitory computer-readable storage medium having instructions stored thereon, which, when executed by the processor, cause the system to calculate a conflict penalty matrix including a conflict penalty for each potential combination of container workloads of the plurality of containers, and calculate a minimum total conflict penalty of the container workloads and a number of workload batches for executing the container workloads. The number of workload batches is associated with the minimum total conflict penalty. The instructions, when executed by the processor, further cause the system to assign the container workloads to the workload batches based on the minimum total conflict penalty and the number of the workload batches.

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