Abstract: Reuse distance is the number of data which are accessed between accesses of a datum. The computation of reuse distance uses a search tree and is carried out through approximate analysis, pattern recognition, or distance-based sampling. The reuse distance can be used to detect reference affinity, that is, to detect which data are accessed together.

Abstract: Reuse distance is the number of data which are accessed between accesses of a datum. The computation of reuse distance uses a search tree and is carried out through approximate analysis, pattern recognition, or distance-based sampling. The reuse distance can be used to detect reference affinity, that is, to detect which data are accessed together.

Abstract: The method of the present invention includes maintaining a first tier 101 and a second tier 102 of devices 30 that have access to a secondary bus 42 that a PCI to PCI bridge 38 services. Each device 30 that has access to secondary PCI bus 42 is categorized into either first tier 101 or a second tier 102. The devices 30 in first tier 101 are provided more frequent opportunities to gain access to secondary PCI bus 42 than devices in low tier 102. Next, a pending transaction is recognized when an initiating device 30 that has been categorized into second tier 102 accesses secondary PCI bus 42 and attempts a transaction that crosses PCI to PCI bridge 38 to primary PCI bus 26. However, PCI to PCI bridge 38 is unable to complete the transaction on primary PCI bus 26. Therefore, PCI to PCI bridge 38 is unable to provide access to any other device 30 on secondary bus 42 until the pending transaction completes.

Abstract: A keyboard structure with a reeling device includes a reeling cartridge and an accommodation slot constructed at a lateral side of the keyboard for receiving the separable reeling cartridge. The reeling cartridge further includes a casing, a reeling mechanism and a signal transmission wire. The signal transmission wire fed by the reeling mechanism is capable of connecting electrically a built-in driver circuitry of the keyboard with a computer mainframe for forwarding key-in commands from the keyboard to the computer mainframe. By providing the accommodation slot and the reeling cartridge, the signal transmission wire can be stored inside with the keyboard.

Abstract: The method of the present invention includes maintaining a first tier 101 and a second tier 102 of devices 30 that have access to a secondary bus 42 that a PCI to PCI bridge 38 services. Each device 30 that has access to secondary PCI bus 42 is categorized into either first tier 101 or a second tier 102. The devices 30 in first tier 101 are provided more frequent opportunities to gain access to secondary PCI bus 42 than devices in low tier 102. Next, a pending transaction is recognized when an initiating device 30 that has been categorized into second tier 102 accesses secondary PCI bus 42 and attempts a transaction that crosses PCI to PCI bridge 38 to primary PCI bus 26. However, PCI to PCI bridge 38 is unable to complete the transaction on primary PCI bus 26. Therefore, PCI to PCI bridge 38 is unable to provide access to any other device 30 on secondary bus 42 until the pending transaction completes.