Bulat Ziganshin <[EMAIL PROTECTED]> writes:
SF> That's an impressive reduction in size; compressing the
SF> CAB file inside the MSI using the LZW-based compressor
SF> that Microsoft provides with their 'makecab' utility didn't
LZX (very different from LZW, born long ago, in 1984)
btw, while writing this letter i compressed GHC 6.4 installation with
cabarc. it results in 33 megs only (!). may be when you creating your
installation, you are using MSZIP compression instead of LZX? or you
compress with LZX:15, i.e. with minimal 32 kb dictionary instead of
LZX:21?
Cool, thanks for trying this out, Bulat. When fixing on MSZIP as the
compressor for the tool that creates these MSIs sometime ago, I did play
with different memory sizes for LZX, but the resulting installers
didn't reduce space usage by all that much, so I opted to just go with the
cheap&cheerful MSZIP. This wasn't with GHC installers though, and as
your experience shows that fixing on always using MSZIP wasn't
such a good idea. I'll go with LZX for the next GHC release, as I'm able
to reproduce what you're seeing.
...
Re: lzma, 7-zip: I'm not questioning the improvements possible going this
route, just that I won't be doing it for now. Others are free to offer up
other
distribution forms, of course. However, as an end-user on a Windows
platform,
I do prefer using non-executable installers.
--sigbjorn
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