ACL2 Version 4.3 News

Table of Contents

VSTTE 2012 Competition

A team of four ACL2 users entered the VSTTE 2012 competition. For information, including the team's solution, visit this
link.

ACL2 Books Repository

The acl2-books Google group allows you to contribute ACL2 books (input files), and also to update to the latest version if you don't want to wait for the next ACL2 release. Quoting from that web site:
This site is for community-driven development for the basic ACL2 libraries, which deal with topics like arithmetic, data structures, and hardware modelling. We're working with the authors of ACL2 and our changes are eventually incorporated into official ACL2 releases.

Performance Comparisons

The statistics below correspond to runs of make -j 8 regression using both distributed and workshop books, skipping directory books/clause-processors/SULFA/, for ACL2 executables built on Linux platforms as indicated. Not shown are results of testing on Windows and Mac OS X. Each regression was run on an 8-core Intel Xeon running Ubuntu Linux, with a slightly faster processor speed on the 32-bit machine (see below).

32-bit Linux runs on 2.8 GHz machine using make -j 8

64-bit Linux runs on 2.66 GHz machine using make -j 8

Note: We ran regression using CLISP 2.44.1 as well, but without the workshops/ books. The user time alone was 33,335.040 seconds, exceeding all the user times below even though those below include certification of the workshops/ books.

ACL2 Course Materials

At some point, perhaps "ACL2 Course Materials" may be a top-level link on the ACL2 home page. For now, we provide some links.