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    Combining Quantum States of Qubits on a Quantum Processor
    301.
    发明公开
    Combining Quantum States of Qubits on a Quantum Processor 审中-公开

    公开(公告)号：US20230153672A1

    公开(公告)日：2023-05-18

    申请号：US17840417

    申请日：2022-06-14

    Applicant: Advanced Micro Devices, Inc.

    Inventor： Salonik Resch ,  Anthony Gutierrez ,  Mark H. Oskin

    IPC: G06N10/20

    CPC classification number: G06N10/20

    Abstract: An electronic device includes a quantum processor including a plurality of qubits. The quantum processor runs a plurality of instances of a quantum program using a separate set of qubits from among the qubits for each instance of the quantum program. The quantum processor then sets quantum states for ancilla qubits from among the qubits based on quantum states of respective groups of associated qubits from the separate sets of qubits. The quantum processor next provides an output of the instances of the quantum program based on the quantum states of the ancilla qubits.

    Prefetch disable of memory requests targeting data lacking locality
    304.
    发明授权
    Prefetch disable of memory requests targeting data lacking locality 有权

    公开(公告)号：US11645207B2

    公开(公告)日：2023-05-09

    申请号：US17132769

    申请日：2020-12-23

    Applicant: Advanced Micro Devices, Inc.

    Inventor： Masab Ahmad ,  Derrick Allen Aguren

    IPC: G06F12/10 ,  G06F12/0862

    CPC classification number: G06F12/0862 ,  G06F2212/6028

    Abstract: A system and method for efficiently processing memory requests are described. A processing unit includes at least a processor core, a cache, and a non-cache storage buffer capable of storing data prevented from being stored in the cache. While processing a memory request targeting the non-cache storage buffer, the processor core inspects a flag stored in a tag of the memory request. The processor core prevents data prefetching into one or more of the non-cache storage buffer and the cache based on determining the flag specifies preventing data prefetching into one or more of the non-cache storage buffer and the cache using the target address of the memory request during processing of this instance of the memory request. While processing a prefetch hint instruction, the processor core determines from the tag whether to prevent prefetching.

    Method and apparatus for controlling cache line storage in cache memory
    307.
    发明授权
    Method and apparatus for controlling cache line storage in cache memory 有权

    公开(公告)号：US11636038B2

    公开(公告)日：2023-04-25

    申请号：US17575461

    申请日：2022-01-13

    Applicant: ADVANCED MICRO DEVICES, INC.

    Inventor： David A. Roberts

    IPC: G06F12/08 ,  G06F12/0846 ,  G06F12/0862 ,  G06F12/0815

    Abstract: A method and apparatus physically partitions clean and dirty cache lines into separate memory partitions, such as one or more banks, so that during low power operation, a cache memory controller reduces power consumption of the cache memory containing the clean only data. The cache memory controller controls refresh operation so that data refresh does not occur for clean data only banks or the refresh rate is reduced for clean data only banks. Partitions that store dirty data can also store clean data, however other partitions are designated for storing only clean data so that the partitions can have their refresh rate reduced or refresh stopped for periods of time. When multiple DRAM dies or packages are employed, the partition can occur on a die or package level as opposed to a bank level within a die.

    DYNAMIC SETUP AND HOLD TIMES ADJUSTMENT FOR MEMORIES
    310.
    发明申请
    DYNAMIC SETUP AND HOLD TIMES ADJUSTMENT FOR MEMORIES 有权

    公开(公告)号：US20230112432A1

    公开(公告)日：2023-04-13

    申请号：US17564747

    申请日：2021-12-29

    Applicant: Advanced Micro Devices, Inc. ,  ATI Technologies ULC

    Inventor： John J. Wuu ,  Jaroslaw Kuszczak ,  Gaurav Singla

    IPC: G06F3/06

    Abstract: A system and method for efficiently capturing data by sequential circuits across multiple operating conditions are described. In various implementations, an integrated circuit includes multiple signal arrival adjusters both at its I/O boundaries and across its die. The signal arrival adjuster includes two internal timing paths, each with a respective latency. The signal arrival adjuster receives an input signal, and generates an output signal from the a selected one of the first timing path and the second timing path. The signal arrival adjuster sends the output signal to a sequential circuit. The sequential circuit uses the output signal as one of an input data signal and an input clock signal. The selection between the two timing paths within the signal arrival adjuster aids satisfying the setup and hold time requirements of the sequential circuit.

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