Abstract
The development of a storage management scheme for MEMBERS, an emulated stack machine incorporating a virtual store and paging, is described. The approach used employs an analogue of the ‘working set’ concept of Denning. Information contained in the activation stack for each process is used to indentify a ‘Top Stack Set’ for the process. The set of all the top stack sets defines the pages that are held in main storage. The architecture of the MEMBERS machine incorporates an activation stack in which pointers can be distinguised from other data. The basic programming language for the machine is designed to encourage a modular structure for programs, so that activation records in the stack for the recently entered procedures contain pointers to an approximation of the working set. The use of microprogramming for the implementation of the storage management system is also discussed and some preliminary estimates of its performance are given.
Published Version
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