From: Gregory R Edlund (email@example.com)
Date: Tue Dec 19 2000 - 06:39:45 PST
I have written a C program that is useful for overlaying two waveforms and
quantifying the differences between them. The program reads two ASCII x-y
data files, slides the waveforms along the time axis until they overlay,
then examines the absolute and relative differences between each data
point. This is pretty useful when doing I/O buffer model development work
or any simulation vs. lab correlation.
You can get a copy of the C code along with a user guide on the IBIS web
The files are ack.zip and ack.tar.Z. Instructions for compiling are in the
readme.txt file. Don't worry about the disclaimer; I got approval from
IBM's lawyers to distribute this source code as freeware. Hack to your
I tested the code when I wrote the I/O buffer accuracy report on the same
web site. It worked fine for me, but that's not to say you won't find some
pathological cases that I haven't stumbled upon yet. If you do, please let
me know so I can improve the algorithm.
IBM Server Technology Development
3605 Hwy. 52 N, Dept. HDC
Rochester, MN 55901
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