Invention Publication
- Patent Title: HARDWARE ENHANCEMENTS FOR DOUBLE PRECISION SYSTOLIC SUPPORT
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Application No.: US17937252Application Date: 2022-09-30
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Publication No.: US20240111826A1Publication Date: 2024-04-04
- Inventor: Jiasheng Chen , Kevin Hurd , Changwon Rhee , Jorge Parra , Fangwen Fu , Theo Drane , William Zorn , Peter Caday , Gregory Henry , Guei-Yuan Lueh , Farzad Chehrazi , Amit Karande , Turbo Majumder , Xinmin Tian , Milind Girkar , Hong Jiang
- Applicant: Intel Corporation
- Applicant Address: US CA Santa Clara
- Assignee: Intel Corporation
- Current Assignee: Intel Corporation
- Current Assignee Address: US CA Santa Clara
- Main IPC: G06F17/16
- IPC: G06F17/16 ; G06F7/544 ; G06T1/20

Abstract:
An apparatus to facilitate hardware enhancements for double precision systolic support is disclosed. The apparatus includes matrix acceleration hardware having double-precision (DP) matrix multiplication circuitry including a multiplier circuits to multiply pairs of input source operands in a DP floating-point format; adders to receive multiplier outputs from the multiplier circuits and accumulate the multiplier outputs in a high precision intermediate format; an accumulator circuit to accumulate adder outputs from the adders with at least one of a third global source operand on a first pass of the DP matrix multiplication circuitry or an intermediate result from the first pass on a second pass of the DP matrix multiplication circuitry, wherein the accumulator circuit to generate an accumulator output in the high precision intermediate format; and a down conversion and rounding circuit to down convert and round an output of the second pass as final result in the DP floating-point format.
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