[delphizip] Re: How to increase compression?
- From: <from-delzip@xxxxxxxxxxxx>
- To: <delphizip@xxxxxxxxxxxxx>
- Date: Mon, 10 Oct 2005 10:48:50 +0530
Are you using Inno setup with LZMA?
Inno setup has support for 7-ZIP's LZMA compression which gives considerable
increase in compression ratio comparing to zip/ rar.
You/InnoSetup might have also used solid mode which can also be the cause for
higher compression.
LZMA has high decompression speed with low memory overhead (depends on
dictonary size). It requires more memory for more
compression.
p.s: NSIS (nullsoft scriptable install system) also has support for LZMA.
(http://nsis.sf.net)
Sampath
----- Original Message -----
From: "Marco De Pasquale" <marco.de.pasquale@xxxxxxxxx>
To: <delphizip@xxxxxxxxxxxxx>
Sent: Sunday, October 09, 2005 6:10 PM
Subject: [delphizip] How to increase compression?
We are using Delphizip in a couple of our projects and we are really happy
with it.
In 1 Project we use it to compress our Delphi .exe Files "on-the-fly" so
that we can easily update our software using the Internet.
But I noticed that the resulting file size (for all exe) is about 23 Mb
whilst, if I generate a setup file including the same '.exe' files (using
Innosetup for example), the resulting file size is about 9 Mb.
Do you know why this happens and If it's possible to increase DelphiZip
compression? I suppose this could happen because the most of the exe contain
the same "units" linked, so perhaps the files have a lot of Kb equal between
them (nut it's just a guess).
Marco De Pasquale
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