Sign In

Communications of the ACM

Communications of the ACM

New LISP techniques for a paging environment

View as: Print Mobile App ACM Digital Library Full Text (PDF) Share: Send by email Share on reddit Share on StumbleUpon Share on Hacker News Share on Tweeter Share on Facebook
The system described herein employs the block concept, and that of global and local variables, in addition to the methods applied in most LISP systems. Also, a new means of list representation is used: “local sequential” for lists created during compilation, and “block level sequential” for those created dynamically. A new garbage collection algorithm has been introduced to make lists as compact as possible; partial garbage collection is performed after each block exit instead of total garbage collection when storage is exhausted. The algorithm does not use the customary flagging procedure. This combination of features has eliminated the need for a free list, and effectively minimizes the number of pages used at any moment.

The full text of this article is premium content


No entries found

Log in to Read the Full Article

Sign In

Sign in using your ACM Web Account username and password to access premium content if you are an ACM member, Communications subscriber or Digital Library subscriber.

Need Access?

Please select one of the options below for access to premium content and features.

Create a Web Account

If you are already an ACM member, Communications subscriber, or Digital Library subscriber, please set up a web account to access premium content on this site.

Join the ACM

Become a member to take full advantage of ACM's outstanding computing information resources, networking opportunities, and other benefits.

Subscribe to Communications of the ACM Magazine

Get full access to 50+ years of CACM content and receive the print version of the magazine monthly.

Purchase the Article

Non-members can purchase this article or a copy of the magazine in which it appears.
Sign In for Full Access
» Forgot Password? » Create an ACM Web Account
ACM Resources