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The Buffer Management Scheme for the New TRIUMF VAX-Based Data Acquisition and Analysis System

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3 Author(s)
Ludgate, G.A. ; TRIUMF, 4004 Wesbrook Mall, Vancouver, B. C., Canada, V6T 2A3 ; Haley, B. ; Lee, L.

The new TRIUMF VAX-based DAAS requires data to be exchanged between acquisition, monitoring and analysis processes executing on a VAX. Data records are passed via a set of buffers contained in a region of memory shared by all processes. The responsibility for buffer management is distributed among the processes and synchronized access to the region is achieved by using the VAX self-relative queue instructions and common event flags.

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Nuclear Science, IEEE Transactions on  (Volume:34 ,  Issue: 4 )