| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent a deadlock due to the issuing order of BCTx and the deadlock occurred in the congestion of BCTx receive buffers in a parallel computer system where a broadcast transaction (BCTx) and a unicast transaction (UCTx) are defined and to increase chances of issuing the BCTx. SOLUTION: Respective function units 1, 2 and 3 are provided with a control means issuing the UCTx generated later even if the BCTx cannot be issued, a control means confirming that the BCTx receive buffers of all the function units in a distribution destination have capacity for receiving all BCTx and issuing them and the control means 16, 26 and 36 issuing the BCTx for only one time when the self-function unit does not issue a BCTx request if an ABRDY signal is moved from on to off.</p> |
