Rocksolid Light

Welcome to novaBBS (click a section below)

mail  files  register  nodelist  faq  login

We don't really understand it, so we'll give it to the programmers.

computers / comp.compression / Fun with LZMA

o Fun with LZMAGautier write-only address

Subject: Fun with LZMA
From: Gautier write-only a
Newsgroups: comp.compression
Date: Wed, 11 Aug 2021 10:59 UTC
X-Received: by 2002:a05:6214:e62:: with SMTP id jz2mr22357162qvb.21.1628679600190;
Wed, 11 Aug 2021 04:00:00 -0700 (PDT)
X-Received: by 2002:a25:2e42:: with SMTP id b2mr29304871ybn.28.1628679600005;
Wed, 11 Aug 2021 04:00:00 -0700 (PDT)
Newsgroups: comp.compression
Date: Wed, 11 Aug 2021 03:59:59 -0700 (PDT)
Injection-Info:; posting-host=2a02:1206:4564:bea0:69ef:20b6:3721:ecf5;
NNTP-Posting-Host: 2a02:1206:4564:bea0:69ef:20b6:3721:ecf5
User-Agent: G2/1.0
MIME-Version: 1.0
Message-ID: <>
Subject: Fun with LZMA
From: (Gautier write-only address)
Injection-Date: Wed, 11 Aug 2021 11:00:00 +0000
Content-Type: text/plain; charset="UTF-8"
View all headers
Some fun by playing with LZMA compression.
File: kennedy.xls from Cantercury corpus.
Uncompressed file size: 1'029'744 bytes.

Compressed size (excluding Zip or 7z metadata):

61'584  5.98%  LZMA   Zip-Ada v.57
50'398  4.89%  z_7z.7z        LZMA2  7-Zip 21.02 alpha
50'396  4.89%  LZMA   7-Zip 21.02 alpha
42'439  4.12%  LZMA   Zip-Ada v.58 (preview)
41'661  4.05%       LZMA   Zip-Ada (current research branch)

More details and links (including the Zip file at the bottom of the list):

rocksolid light 0.7.2