White Papers

C/C++ Code Considerations With 64-bit WebSphere Application Server for z/OS

Overview WebSphere Application Server for z/OS first supported 64-bit addressing mode. WebSphere administrators can make a quick configuration change to a server, restart it, and then very large amounts of virtual storage become immediately available in the server's address space. Applications running on the server can take advantage of this additional space if they are prepared to access addresses beyond what a 31-bit pointer can hold. This paper will highlight things to consider when migrating C/C++ server applications to run in a 64-bit server environment. Java applications are for the most part ready to go because the application byte code can handle 64-bit pointers if the Java Virtual Machine (JVM) can handle them.

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Publisher
IBM
File Format
PDF
Date Published
Apr 9, 2008
Format
White Papers
Topics
Application Servers, Programming Languages, Mainframes

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