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The Niagara2 CMT system-on-chip incorporates many design-for-test features to achieve high test coverage for both arrays and logic. All the arrays are tested using memory built-in-self-test. This is supplemented with scan-based testing. Logic is tested with standard ATPG for slow-speed defects and extensive use of transition test, along with logic built-in-self-test for the SPARC cores, for at-speed...
This paper addresses the problem of how to adapt an algorithm designed for fixed topology networks to produce the intended results, when run in a network whose topology changes dynamically, in spite of encountering topological changes during its execution. We present a simple and unified procedure, called a reset procedure, which, when combined with the static algorithm, achieves this adaptation....
We present a formal framework for distributed databases, and we study the complexity of the concurrency control problem in this framework. Our transactions are partially ordered sets, of actions, as opposed to the straight-line programs of the centralized case. The concurrency control algorithm, or scheduler, is itself a distributed program. Three notions of performance of the scheduler are studied...
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