FLOATING POINT MULTIPLY-ACCUMULATE UNIT FOR DEEP LEARNING

    公开(公告)号:US20220188075A1

    公开(公告)日:2022-06-16

    申请号:US17688131

    申请日:2022-03-07

    Abstract: A FPMAC operation has two operands: an input operand and a weight operand. The operands may have a format of FP16, BF16, or INT8. Each operand is split into two portions. The two portions are stored in separate storage units. Then operands are transferred to register files of a PE, with each register file storing bits of an operand sequentially. The PE performs the FPMAC operation based on the operands. The PE may include an FPMAC unit configured to compute an individual partial sum of the PE. The PE may also include an FP adder to accumulate the individual partial sum with other data, such as an output from another PE or an output form another PE array. The FP adder may be fused with the FPMAC unit in a single circuit that can do speculative alignment and has separate critical paths for alignment and normalization.

    METHODS, SYSTEMS, ARTICLES OF MANUFACTURE, AND APPARATUS TO DECODE ZERO-VALUE-COMPRESSION DATA VECTORS

    公开(公告)号:US20200228137A1

    公开(公告)日:2020-07-16

    申请号:US16832804

    申请日:2020-03-27

    Abstract: Methods, systems, articles of manufacture, and apparatus are disclosed to decode zero-value-compression data vectors. An example apparatus includes: a buffer monitor to monitor a buffer for a header including a value indicative of compressed data; a data controller to, when the buffer includes compressed data, determine a first value of a sparse select signal based on (1) a select signal and (2) a first position in a sparsity bitmap, the first value of the sparse select signal corresponding to a processing element that is to process a portion of the compressed data; and a write controller to, when the buffer includes compressed data, determine a second value of a write enable signal based on (1) the select signal and (2) a second position in the sparsity bitmap, the second value of the write enable signal corresponding to the processing element that is to process the portion of the compressed data.

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