公开(公告)号：US20220129266A1

公开(公告)日：2022-04-28

申请号：US17428523

申请日：2020-03-14

Applicant: Intel Corporation

Inventor： Subramaniam Maiyuran ,  Shubra Marwaha ,  Ashutosh Garg ,  Supratim Pal ,  Jorge Parra ,  Chandra Gurram ,  Varghese George ,  Darin Starkey ,  Guei-Yuan Lueh

IPC: G06F9/30 ,  G06F7/544 ,  G06F12/02 ,  G06F12/0811 ,  G06F12/0875

Abstract: Graphics processors and graphics processing units having dot product accumulate instructions for a hybrid floating point format are disclosed. In one embodiment, a graphics multiprocessor comprises an instruction unit to dispatch instructions and
a processing resource coupled to the instruction unit. The processing resource is configured to receive a dot product accumulate instruction from the instruction unit and to process the dot product accumulate instruction using a bfloat16 number (BF16) format.

公开(公告)号：US20210312697A1

公开(公告)日：2021-10-07

申请号：US17304092

申请日：2021-06-14

Applicant: Intel Corporation

Inventor： Subramaniam Maiyuran ,  Shubra Marwaha ,  Ashutosh Garg ,  Supratim Pal ,  Jorge Parra ,  Chandra Gurram ,  Varghese George ,  Darin Starkey ,  Guei-Yuan Lueh

IPC: G06T15/06 ,  G06F9/38 ,  G06F17/18 ,  G06F9/30

Abstract: Described herein is a graphics processing unit (GPU) comprising a single instruction, multiple thread (SIMT) multiprocessor comprising an instruction cache, a shared memory coupled with the instruction cache, and circuitry coupled with the shared memory and the instruction cache, the circuitry including multiple texture units, a first core including hardware to accelerate matrix operations, and a second core configured to receive an instruction having multiple operands in a bfloat16 (BF16) number format, wherein the multiple operands include a first source operand, a second source operand, and a third source operand, and the BF16 number format is a sixteen-bit floating point format having an eight-bit exponent and process the instruction, wherein to process the instruction includes to multiply the second source operand by the third source operand and add a first source operand to a result of the multiply.