6 The T9000 Farm

6.4 The SN9400 configuration


Thirty prototype D02 T9000 processors running at 20 MHz with five C104s operated as a real-time processing farm, performing standard CPLEAR event reconstruction and filtering. The C104s provided the exclusive method of communication and control between the T9000s. The T9000s were housed in five SN9400 units (see
Fig. 7), each containing one C104 and six T9000s. The SN9400s were daisy chained with a single DS link cable. This did not affect the performance of the farm due to the relatively low bandwidth requirement of the application.

During the three-week run the system processed twenty million events in real-time. In this period of running a stable platform was achieved.


Application of T9000 to CPLEAR - 09 NOV 95

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