公开(公告)号：US20240419482A1

公开(公告)日：2024-12-19

申请号：US18336420

申请日：2023-06-16

Applicant: Advanced Micro Devices, Inc.

Inventor： ZengRong Huang ,  Fang Xia ,  HaiKun Dong ,  XiaoJing Ma ,  YongTao Yu ,  YinZhu Xue ,  Alexander Fuad Ashkar ,  Manu Rastogi

IPC: G06F9/48

Abstract: Systems and methods for efficient context switching in multithread processors are disclosed. A processing system comprises a direct memory access module configured to detect a preemption request generated by the scheduling circuit. Responsive to the preemption request, the direct memory access module determines whether execution of a first task from a plurality of tasks needs to be replaced by execution of a second task. When the replacement is necessitated, the module saves a first plurality of registers associated with the first task at a memory location transmitted by the scheduling circuit and queues the second task for execution. The memory location is transmitted by the scheduling circuit as part of the preemption request.