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US 2026/0254870 A1Published application
Peer-to-peer communication between devices with coherent fabric bypass
AssigneeQUALCOMM Incorporated
InventorsRamacharan SUNDARARAMAN, Ravikiran KAIDALA LAKSHMAN
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Abstract
Aspects of the disclosure provide techniques for utilizing peer-to-peer (P2P) bypass techniques to reduce oversubscription of a coherent fabric due to P2P traffic and the impact on other initiators of the data traffic. The techniques can lower the latency, improve bandwidth, and lower buffering cost for peripheral component interconnect express (PCIe) components that communicate P2P traffic.
Claims23
A method for peer-to-peer (P2P) data communication, the method comprising:
- receiving a data packet from a first device;
- determining whether a second device is within a P2P address range;
- and
- in response to determining that the second device is within the P2P address range, sending the data packet to the second device bypassing a coherent fabric.
1 more element
An apparatus for data communication, comprising:
- one or more memories;
- and
- one or more processors connected to the one or more memories, the one or more processors configured to:
- receive a data packet from a first device;
- determine whether a second device is within a P2P address range;
- and
- in response to determining that the second device is within the P2P address range, send the data packet to the second device bypassing a coherent fabric.
4 more elements
An apparatus for data communication, comprising:
- means for receiving a data packet from a first device;
- means for determining whether a second device is within a P2P address range;
- and
- means for sending the data packet to the second device bypassing a coherent fabric in response to determining that the second device is within the P2P address range.
1 more element
Dependencies are inferred from the claim text.