Pseudorandom Biased Generation
ConceptPseudorandom biased generation refers to the biased, pseudorandom, dynamic generation scheme used in IBM's first generation of random test-program generators for functional processor verification. In the documented IBM lineage, this approach preceded model-based pseudorandom generation, including Genesys and Genesys-Pro, which separated architecture-specific models from a generic generation engine and later used constraint-satisfaction solving to improve generation success and test quality.
WIKI
Overview
Pseudorandom biased generation is documented in the context of IBM random test-program generation for functional processor verification. IBM's first generation of test generators, developed in the mid-1980s, incorporated a biased, pseudorandom, dynamic generation scheme. In the same verification context, generated stimuli are usually test programs intended to trigger architecture and microarchitecture events defined by a verification plan.
Verification role
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