The Integrated Scheduling and Allocation of High-Level Test Synthesis

概要

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This paper presents a high-level test synthesis algorithm for operation scheduling and data path allocation. Data path allocation is achieved by a controllability and observability balance allocation technique which is based on testability analysis at register-transfer level. Scheduling, on other hand, is carried out by rescheduling transformations which change the default scheduling to improve testability. Contrary to other works in which the scheduling and allocation tasks are performed independently, our approach integrates scheduling and allocation by performing them simultaneously so that the effects of scheduling and allocation on testability are exploited more effcctivcly. Additionally, since sequential loops are widely recognized to make a design hard-to-test, a complete (functional and topological) loop analysis is performed at register-transfer level in order to avoid loop creation during the integrated test synthesis process. With a variety of synthesis benchmarks, experimental results show clearly the advantages of the proposed algorithm.
一般社団法人電子情報通信学会の論文
1999-01-25