A system and method for using a semi-polling model to monitor a Non-Volatile Memory Express (NVMe) completion queue (CQ). The method, implemented at an interrupt thread, includes receiving an input/output (I/O) request from an application and submitting a submission queue (SQ) entry into an NVMe SQ in response to the I/O request. The method further includes registering for notifications from a polling thread after submitting the SQ entry and receiving, from the polling thread, a notification of the presence of a CQ entry within an NVMe CQ. Additionally, the method involves removing the CQ entry from the NVMe CQ and notifying the application of completion of the I/O request.

For polling communication devices in a communication system including a host device and communication devices. The host device is connected to the communication devices via a clock line for transmitting a clock signal to the communication devices and via an arbitration line implemented with OR logic for receiving arbitration signal transmitted by the communication devices. Each communication device is configured to pull up or down the arbitration line for sending an arbitration signal when the communication device is ready to send data to the host device. Each communication device is configured to pull down the arbitration line for sending an arbitration signal when the communication device has no data to send to the host device. The host device (HD) is able to: send a clock signal on the clock line during an arbitration cycle, causing the communication devices to send respective arbitration signals towards the arbitration line, during the arbitration cycle, receive a final signal corresponding to an addition of the arbitration signals, during the arbitration cycle, resulting from the OR logic applied to the arbitration signals, detect the communication devices ready to send data based on the 1 bit of the final signal, select, among the detected communication devices, the communication device associated with the highest priority in a priority table containing the priorities associated with the communication devices, and poll the selected communication device to receive data from the selected communication device during a communication cycle.

A data processing method includes receiving a plurality of pieces of first data using an input port of a current bus, each piece of first data including corresponding weight information, based on a specified unit data amount, splitting each piece of first data into at least one data unit, the unit data amount representing a minimum data amount of a single scheduling of the current bus, based on the weight information corresponding to each piece of first data, determining a corresponding number of data units from each piece of first data as second data corresponding to corresponding first data, and in a next bus scheduling cycle, sequentially sending each piece of second data from the input port of the current bus to a reception target according to a scheduling order.

A system and method for using a semi-polling model to monitor a Non-Volatile Memory Express (NVMe) completion queue (CQ). The method, implemented at an interrupt thread, includes receiving an input/output (I/O) request from an application and submitting a submission queue (SQ) entry into an NVMe SQ in response to the I/O request. The method further includes registering for notifications from a polling thread after submitting the SQ entry and receiving, from the polling thread, a notification of the presence of a CQ entry within an NVMe CQ. Additionally, the method involves removing the CQ entry from the NVMe CQ and notifying the application of completion of the I/O request.