1.3 Hardware and software requirements

1.3.2 System Requirements

To run Liquid Common Lisp 5.0, your machine should have at least 16 MB of main memory and 60 MB free swap space. For better performance, you should have 32 MB of main memory or more. Many Lisp applications need over 100 MB of free swap space. Very large applications can need as much as 64 MB of main memory and 200 MB or more of swap space.

Note: Unix shell resource limits

The stacksize (or stack) limit cannot be set to unlimited, though if needed, it usually can be set to value larger than the default.

The datasize (or data) limit should be set to a value that agrees with the swap space that is expected to be used on the machine.

For LCL/HP 5.0, in order to determine the amount of usable swap space on your machine, you need to verify the value of the HP-UX SAM kernal parameterMAXDSIZ. The default on many Series 700 and 800 machines is:

maxdsiz MAXDSIZ 0x04000000

which therefore limits the data segment to 64 MB, no matter how much swap space is actually available.MAXDSIZ must therefore be modified to reflect the amount of swap space you expect to use. This process should be discussed with your systems administrator.

Liquid Common Lisp 5.0 Release and Installation Notes - 9 JUN 1997

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