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Mail Archives: djgpp/1999/09/18/12:54:16

From: "Damian Yerrick" <mail DOT me DOT at DOT your DOT own DOT risk AT pineight DOT 8m DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Why the executables r so big ????
Date: Sat, 18 Sep 1999 11:26:52 -0500
Organization: Rose-Hulman Institute of Technology
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Varence <varence_NOfhSPAM AT hotmail DOT com> wrote in message
news:02e54bec DOT 79e180d5 AT usw-ex0102-016 DOT remarq DOT com...
>   Packers like UPX don't improve your binary's performance
> in any way.  They pack the binary (as the name suggests) so
> it's compressed.  It doesn't do any optimization on the
> code or change how the routines are used within it.
>     So essentially, not only does packing a binary not
> improve it's performance, it actually adds a small overhead
> at initialization for the unpacking process.

But in most cases, it takes longer to read an unpacked binary from
a piece of spinning metal (a hard disk) than it takes to unpack a
UPX-packed binary.

Damian Yerrick
http://pineight.webjump.com/


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