Monday, March 26, 2012

C Source Code for LMD2 through LMD8

It's available as TAR.GZ and ZIP (build 73, May 19, 2014) for Linux and Windows. See the file "COPYING" for information on licensing terms, which are very liberal but different than for (obsolete) LMD. See readme.txt for instructions on building the demo.

LMD4 through LMD8 are very different creatures from LMD2. I will discuss them in a future post. (I'm the sort of person who prefers to get the code done first, then the documentation, and not the other way around.) And no, these new algos do not obsolete LMD2. LMD2 (or LMD3, if you prefer) are still the recommended EDCs for the rapid detection of accidental (as opposed to malicious) errors.


1. Do not call the C functions with pointers to overlapping memory regions.

2. A and B in the post linked above are known as LMDx_A0 and LMDx_A1 in the source code, respectively, where x=[4,5,6].

3. LMD6 comes in 2 flavors, one optimized for 32-bit systems, and the other for 64-bit.

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