公开(公告)号：US10558418B2

公开(公告)日：2020-02-11

申请号：US15661843

申请日：2017-07-27

Applicant: Advanced Micro Devices, Inc.

Inventor： Alexandru Dutu ,  Bradford M. Beckmann

IPC: G06T1/20 ,  G06F9/38 ,  G06F3/14

Abstract: A technique for implementing synchronization monitors on an accelerated processing device (“APD”) is provided. Work on an APD includes workgroups that include one or more wavefronts. All wavefronts of a workgroup execute on a single compute unit. A monitor is a synchronization construct that allows workgroups to stall until a particular condition is met. Responsive to all wavefronts of a workgroup executing a wait instruction, the monitor coordinator records the workgroup in an “entry queue.” The workgroup begins saving its state to a general APD memory and, when such saving is complete, the monitor coordinator moves the workgroup to a “condition queue.” When the condition specified by the wait instruction is met, the monitor coordinator moves the workgroup to a “ready queue,” and, when sufficient resources are available on a compute unit, the APD schedules the ready workgroup for execution on a compute unit.

公开(公告)号：US20190034151A1

公开(公告)日：2019-01-31

申请号：US15661843

申请日：2017-07-27

Applicant: Advanced Micro Devices, Inc.

Inventor： Alexandru Dutu ,  Bradford M. Beckmann

IPC: G06F3/14 ,  G06T1/20 ,  G06F9/38

Abstract: A technique for implementing synchronization monitors on an accelerated processing device (“APD”) is provided. Work on an APD includes workgroups that include one or more wavefronts. All wavefronts of a workgroup execute on a single compute unit. A monitor is a synchronization construct that allows workgroups to stall until a particular condition is met. Responsive to all wavefronts of a workgroup executing a wait instruction, the monitor coordinator records the workgroup in an “entry queue.” The workgroup begins saving its state to a general APD memory and, when such saving is complete, the monitor coordinator moves the workgroup to a “condition queue.” When the condition specified by the wait instruction is met, the monitor coordinator moves the workgroup to a “ready queue,” and, when sufficient resources are available on a compute unit, the APD schedules the ready workgroup for execution on a compute unit.