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Publication
DAC 2011
Conference paper
Threadmill: A post-silicon exerciser for multi-threaded processors
Abstract
Post-silicon validation poses unique challenges that bring-up tools must face, such as the lack of observability into the design, the typical instability of silicon bring-up platforms and the absence of supporting software (like an OS or debuggers). These challenges and the need to reach an optimal utilization of the expensive but very fast silicon platforms lead to unique design considerations - like the need to keep the tool simple and to perform most of its operation on platform without interaction with the environment. In this paper we describe a variety of novel techniques optimized for the unique characteristics of the silicon platform. These techniques are implemented in Threadmill - a bare-metal exerciser targeting multi-threaded processors. Threadmill was used in the verification of the POWER7 processor with encouraging results © 2011 ACM.