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Describes and lists some relatively simple modifications to the initiator of RAND's 360/65 computer software that enable the RAND Computation Center to run batch jobs at one high speed while running online and remote entry jobs in two kinds of low-speed memory. The change became necessary with the addition of the slowest memory, LCS, which requires eight times as many processor cycles for a given job as core storage. The new fixed initiators, which take less than 100 bytes of nonresident memory, have exceeded expectations in managing three access speeds of storage, while guaranteeing online access and protecting batch jobs from accidentally executing at low speed. Certain regions of memory too small for user tasks are left unfenced, to provide for operation aids and batch readers and writers. The bulk of the paper lists the modified control sections. 106 pp.

This report is part of the RAND Corporation paper series. The paper was a product of the RAND Corporation from 1948 to 2003 that captured speeches, memorials, and derivative research, usually prepared on authors' own time and meant to be the scholarly or scientific contribution of individual authors to their professional fields. Papers were less formal than reports and did not require rigorous peer review.

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