By Alon Itai, Yoav Raz
Communications of the ACM,
Vol. 31 No. 11, Pages 1338-1342
The number of buffers required for sequential processing of disk files is investigated with the assumption that there is a single user served by two processors: one reads blocks from the disk into buffers in main memory, while the other processor processes the buffers. If processing is faster than reading, then two buffers suffice. However, if processing is slower, using only two buffers does not guarantee minimum completion time. The minimal required number of buffers is calculated in this article.
The full text of this article is premium content
No entries found
Log in to Read the Full Article
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.