| 摘要 |
Method and apparatus for improving bus utilization on a bus having a tiered topology, by estimating the worst-case transaction duration time for executing a transaction. The sum of three delays Dfixed, Ddata and Dhub-depth, is detemined, where Dfixed is a delay component which can depend on the transmission duration type of the transaction, as well as other fixed delays; Ddata is a delay component which depends on a number Nbytes of bytes to be transmitted for the transaction, and Dhub-depth is a delay component which depends (in one aspect) on the actual maximum hub depth in the bus topology, or which depends (in another aspect) on the actual hub depth of the target device.
|
