H-PCTE : A High-Performance Object Management System for System Development Environments
H-PCTE is an object management system (OMS) for distributed, open, and integrated system development environments. H-PCTE performs up to several thousand simple operations per second. H-PCTE is intended to be a basis of environments in which tools operate directly on fine-grained data stored in the object base. Fine-grained data modelling has several important implications on the architecture of environments, on how to design tools, and on the necessary functionality of the OMS. H-PCTE's performance is due to main-memory-oriented implementation techniques and due to a careful adaptation of the OMS services to the data management needs of tools; as a result, tools need not pay for OMS services which they do not really need. The latter applies in particular to recovery and the external view facilities.
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