公开(公告)号：EP4459474A1

公开(公告)日：2024-11-06

申请号：EP22914466.2

申请日：2022-12-21

申请人： Beijing Co Wheels Technology Co., Ltd.

发明人： LIU, Jiafu ,  XU, Yingchun

IPC分类号： G06F13/20

摘要： Provided are a data transmission method and apparatus, and a device and a medium. The data transmission method comprises: receiving a data packet to be transmitted, wherein said data packet comprises data to be transmitted and chip identification information; determining, from among a plurality of first PCIE physical layer ports, a target first PCIE physical layer port corresponding to the chip identification information, wherein the plurality of first PCIE physical layer ports are interconnected to a plurality of chips in one-to-one correspondence; distributing said data packet to the target first PCIE physical layer port; and sending said data packet to a receiving chip by means of the target first PCIE physical layer port, wherein the receiving chip is a chip that is interconnected to the target first PCIE physical layer port.