DOS ain't dead

lpaq1 by Matt Mahoney (July 24, 2007) is a "lite" version of PAQ, about 35 times faster than paq8l but producing files about 10% bigger. It is a file compressor (not an archiver). It has options selecting from 6 MB to 1.5 GB memory.

Website: http://cs.fit.edu/~mmahoney/compression/#lpaq1

P.S. The Win32 .EXE (sadly) needs MSVCRT.DLL, so I instead compiled it myself using DJGPP / G++ 4.1.2 and then UPX'd it (67k). Works great! :)

[ WinXP ] Sun 07/29/2007>lpaq1dos 3 nasm.txt nasmtxt.lp1
565153 -> 88335 in 3.30 sec. using 27 MB memory.

[ WinXP ] Sun 07/29/2007>uharc a -mx nasmtxt *.txt

UHARC 0.6b  -----   high compression multimedia archiver   -----   BETA version
Copyright (c) 1997-2005 by Uwe Herklotz     All rights reserved     01 Oct 2005
****  Freeware for non-commercial use  ****  contact: uwe.herklotz{at}gmx{dot}de  ****

Creating archive "nasmtxt.uha".
Using PPM-mode (1.0 MB dictionary) with multimedia detection.
Using 20.0 MB for compression and 1.0 MB for file buffers.

Adding 1 file (565153 bytes)                            size     packed   ratio
-------------------------------------------------------------------------------
Completed successfully (0.8 sec)           Total:     565153      88843   15.7%

[ WinXP ] Sun 07/29/2007>lpaq1dos 0 nasm.txt nasmtxt2.lp1
565153 -> 89861 in 3.24 sec. using 6 MB memory.

[ WinXP ] Sun 07/29/2007>scrndump

EDIT by rr: added {code} tag

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Know your limits.h

> lpaq1 by Matt Mahoney (July 24, 2007) is a "lite" version of PAQ, about 35
> times faster than paq8l but producing files about 10% bigger. It is a file
> compressor (not an archiver). It has options selecting from 6 MB to 1.5 GB
> memory.

Please mark citations correctly in the future! Thanks.

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Forum admin

> lpaq1 by Matt Mahoney (July 24, 2007) is a "lite" version of PAQ, about 35
> times faster than paq8l but producing files about 10% bigger. It is a file
> compressor (not an archiver). It has options selecting from 6 MB to 1.5 GB
> memory.
>
> Website: http://cs.fit.edu/~mmahoney/compression/#lpaq1

In case you don't want to compile it yourself (or haven't yet), here it is (Win32 .EXE, .CPP src, plus UPX'd DOS .EXE). Now UHarc gets some competition! :)

http://www.geocities.com/snoopimeanie/lpaq1dos.zip

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Know your limits.h