Abstract: Embodiments provide a chip and a related device. In those embodiments, the chip includes a ring network. The ring network includes a first node and a second a node. The first node determines whether a first injection buffer value is greater than a first threshold and whether a first injection bandwidth is less than a first expected bandwidth. When the first injection buffer value is greater than the first threshold and the first injection bandwidth is less than the first expected bandwidth, the first node sends a first request to the second node, where the first request is used to instruct at least one node in the ring network, other than the first node, to reduce a transmission quantity of first data packets. According to the embodiments of this application, a network bandwidth can be properly allocated according to an actual operating status of a system.

Abstract: A network-on-chip and a corresponding method are provided. The network-on-chip includes at least one bufferless ring network in at least one dimension of the network-on-chip. At least one bufferless ring network includes multiple routing nodes, and at least one of the multiple routing nodes is a switching node. Two bufferless ring networks in different dimensions may intersect. The two bufferless ring networks exchange data by using switching nodes. A dedicated slot and a public slot are configured in each bufferless ring network. Only one switching node has permission to use a dedicated slot at a same moment in each bufferless ring network, the permission to use the dedicated slot is transferred successively between switching nodes in each bufferless ring network. The permission to use the dedicated slot is transferred after transmission of data in the dedicated slot is completed.

Abstract: A bufferless ring network including at least two nodes and at least two timeslots, the at least two timeslots include a dedicated timeslot, and a first node in the bufferless ring network has use permission for the dedicated timeslot. The first node is configured to, in a state of having the use permission for the dedicated timeslot, detect whether all dedicated timeslots that pass through the first node are available, set a permission switch signal, and cancel the use permission for the dedicated timeslot according to the permission switch signal after detecting that all the dedicated timeslots that pass through the first node are available. A remaining node in the bufferless ring network is configured to obtain the use permission for the dedicated timeslot according to the permission switch signal. The remaining node is a node that needs to use the dedicated timeslot.

Abstract: A network-on-chip and a corresponding method are provided. The network-on-chip includes at least one bufferless ring network in at least one dimension of the network-on-chip. At least one bufferless ring network includes multiple routing nodes, and at least one of the multiple routing nodes is a switching node. Two bufferless ring networks in different dimensions may intersect. The two bufferless ring networks exchange data by using switching nodes. A dedicated slot and a public slot are configured in each bufferless ring network. Only one switching node has permission to use a dedicated slot at a same moment in each bufferless ring network, the permission to use the dedicated slot is transferred successively between switching nodes in each bufferless ring network. The permission to use the dedicated slot is transferred after transmission of data in the dedicated slot is completed.

Abstract: A bufferless ring network including at least two nodes and at least two timeslots, the at least two timeslots include a dedicated timeslot, and a first node in the bufferless ring network has use permission for the dedicated timeslot. The first node is configured to, in a state of having the use permission for the dedicated timeslot, detect whether all dedicated timeslots that pass through the first node are available, set a permission switch signal, and cancel the use permission for the dedicated timeslot according to the permission switch signal after detecting that all the dedicated timeslots that pass through the first node are available. A remaining node in the bufferless ring network is configured to obtain the use permission for the dedicated timeslot according to the permission switch signal. The remaining node is a node that needs to use the dedicated timeslot.