| 摘要 |
In a system such as a multiple computer system where memory locations (A, B, C) can be substantially simultaneously updated from difference sources, an updating count (C, C 1 ) is provided indicative of the sequence of each updating message or signal ( 195, 295 ) in a stream of such updating messages or signals. The updating count is stored in a counter. To reduce the storage requirements for the counter and the bandwidth requirements for the updating messages including the count value, small count values are utilized. From time to time sending of updating messages is halted and the count values re-set to avoid arithmetic overflow.
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