Re: Linking Problem
- From: "Richard" <riplin@xxxxxxxxxxxx>
- Date: 26 May 2005 15:28:46 -0700
> note that INT's are quite slow. It does not matter
> much when dealing with the user interface, but the difference in speed is
> quite amazing.
Many years ago I measured performance on CPU bound work and found a 3 x
difference. This may vary with what is being done. As you say, it
doesn't matter much when dealing with UI, nor does it when dealing with
disk or SQL access.
I used .int when running several users on a 1 megabyte RAM 8086 6MHz
machine with Concurrent-DOS. The runtime was shared code and using
..int could get 4 users running. Making it .gnt reduced this to 3 (or 2)
with no noticable difference in performance even on batch jobs.
Moving to 386 and 486 multiuser machines I could get a 3 fold
improvement by changing the disk cluster size from 2Kb to 8Kb on FAT
disk systems.
.
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