摘要:
A method of transferring multimedia data from an input device to an output device in a computer system having a plurality of input/output devices. An application program specifies an origination and destination of multimedia data transfer and orders multimedia data transfer start. A periodic driven program conducts multimedia data transfer in accordance with the order given by the application program. The application program can conduct other processing irrespective of the multimedia transfer state after giving the transfer start order. The periodic driven program operates with a predetermined period, divides multimedia data, and transfers the multimedia data in a plurality of periods.
摘要:
A method of transferring multimedia data from an input device to an output device in a computer system having a plurality of input/output devices. An application program specifies an origination and destination of multimedia data transfer and orders multimedia data transfer start. A periodic driven program conducts multimedia data transfer in accordance with the order given by the application program. The application program can conduct other processing irrespective of the multimedia transfer state after giving the transfer start order. The periodic driven program operates with a predetermined period, divides multimedia data, and transfers the multimedia data in a plurality of periods.
摘要:
A method of transferring multimedia data from an input device to an output device in a computer system having a plurality of input/output devices. An application program specifies an origination and destination of multimedia data transfer and orders multimedia data transfer start. A periodic driven program conducts multimedia data transfer in accordance with the order given by the application program. The application program can conduct other processing irrespective of the multimedia transfer state after giving the transfer start order. The periodic driven program operates with a predetermined period, divides multimedia data, and transfers the multimedia data in a plurality of periods.
摘要:
A data transfer management method and apparatus for reducing collision during data transfer. The invention stores a data length (m) in byte units of a plurality of packets capable of being transferred in a predetermined transmission time interval, stores the predetermined transmission time interval (t), accumulates the quantity of the packets to be transferred on a communication stream in the predetermined transmission time interval, and limits the quantity of the packets to be transferred to a value not greater then the data length (m).
摘要:
An aspect of the invention is a storage control apparatus, comprising a plurality of processors, a memory, an I/O device coupled to a storage device, a virtualization module that allocates a first processor to a first guest and a second processor to a second guest from among the plurality of processors, and an interrupt control module that receives an interrupt from the I/O device and transmits the interrupt to any one of the plurality of processors, wherein the virtualization module comprises, a state detection module that detects at least one of a state of the first guest and a state of the first processor, and an interrupt delivery destination control module that switches the interrupt with respect to the first processor to the second processor when at least one of the state of the first guest and the state of the first processor becomes a predetermined state.
摘要:
Periodic process scheduling method of computer system includes steps of receiving requests for periodical execution of processes each with period of execution and execution time, securing allocation time for process having shorter period than the other processes to be executed in each of respective periods of execution for process, securing another allocation time for part of another process within first of respective periods of execution of process other than allocation time in first of the allocation time for process if full execution time of another process cannot be secured within first of respective periods of execution of process, and starting execution of process in secured allocation time and another process in secured another allocation time. A data transfer management method for effectively reducing collision in data transfer includes steps of storing data length (M) of packets capable of being transferred in predetermined transmission time interval, storing predetermined transmission time interval (t), accumulating quantity of packets to be transferred on communication stream in predetermined transmission time interval, and limiting quantity of packets to be transferred to value not greater than data length.
摘要:
Before starting data transfer, the sender node sends the CONNECT message requesting security of hardware resources necessary for data transfer to the receiver node. Each node relaying the CONNECT message secures the CPU time and bandwidth necessary for data transfer and sends the CONNECT message to the receiver node. Upon receipt of the CONNECT message, the receiver node reserves the CPU time necessary for data reception and then sends the ACCEPT command to the sender node. The sender node receives the ACCEPT command and then sends a data packet.
摘要:
An aspect of the invention is a storage control apparatus, comprising a plurality of processors, a memory, an I/O device coupled to a storage device, a virtualization module that allocates a first processor to a first guest and a second processor to a second guest from among the plurality of processors, and an interrupt control module that receives an interrupt from the I/O device and transmits the interrupt to any one of the plurality of processors, wherein the virtualization module comprises, a state detection module that detects at least one of a state of the first guest and a state of the first processor, and an interrupt delivery destination control module that switches the interrupt with respect to the first processor to the second processor when at least one of the state of the first guest and the state of the first processor becomes a predetermined state.
摘要:
A periodic process scheduling method which includes receiving requests for periodical execution of processes each with a period of execution and execution time, securing allocation time for the shortest process to be executed in respective periods of execution, securing another allocation time for part of a process if full execution time of the process cannot be secured within the respective periods of execution, and starting execution of the process in secured allocation time. A data transfer management method for reducing collision in data transfer which includes storing data length of packets being transferred in a predetermined transmission time interval, storing the predetermined transmission time interval, accumulating a quantity of packets to be transferred in the predetermined transmission time interval, and limiting quantity of packets to be transferred to not be greater than data length.
摘要:
A data transfer management method for effectively reducing collision in data transfer includes the steps of storing a data length (M) of a plurality of packets capable of being transferred in a predetermined transmission time interval, storing the predetermined transmission time interval (t), accumulating the quantity of the packets to be transferred on a communication stream in the predetermined transmission time interval, and limiting the quantity of the packets to be transferred to a value not greater than the data length.