Very Large Memory

Also found in: Acronyms.

Very Large Memory

(VLM) A processor and operating system that can use more than 4GB of RAM, which is the limit for systems using 32-bit addresses.

VLM architectures allow application programs and Very Large Databases with more than 4GB of data to be placed entirely in physical memory, with large performance enhancements.

Some recent processors like the DEC Alpha can process 64 bits of data at a time and use addresses wider than 32 bits.

Digital Unix.



(Unix 98

This article is provided by FOLDOC - Free Online Dictionary of Computing (
References in periodicals archive ?
Oracle already has some support for very large memory databases within Oracle 8.
Among its accomplishments in '95 - the 300 MHz Alpha 21164 BIPS chip, the AltaVista Web index, and the debut of VLM (very large memory) database systems using 64-bit microprocessor technology - can be counted a partnership with Microsoft involving Windows NT.

Full browser ?