CompressionType-
Controls what type of compression is used
Thinstall
supports 3 different compression models: None, Fast, and Small
None
- None is the default when capturing a package. This option is
useful for building your application quickly for testing purposes.
No compression also improves application startup time on older PCs,
or when the application is launched multiple times. On subsequent
executions of the same application, the Windows disk cache can
provide data faster without compression enabled.
Fast
- This option is recommend for most packages. Fast compression
has a very fast rate of decompression, so it has very little impact
on application startup time; it also has very little impact on
memory consumption at runtime. Fast compression achieves similar
compression ratios as the ZIP algorithm.
Small
- This option is recommend when startup time is less important
than package size. Small compression can achieve compression ratios
slightly better than BZIP2.
Sample
compression ratios and startup times for Office 2003 package
running from a local hard drive:
None
Fast
Small
Size
448,616k
257,373k
228,235k
Compression
ratio
100%
57%
50%
Startup
time (1st execution)
6
sec
6
sec
19
sec
Startup
time (2nd execution)
0.1
sec
1
sec
17
sec
Build
Time (1st build)
3
mins
19
mins
13
mins
Build
Time (2nd build)
2
mins
1.2
mins
1.1
mins
CompressionType
can be specified in two places:
1.
Package.ini file: in this case, the compression type becomes the
default for all files in the project unless otherwise specified
2.
##Attributes.ini: in this case, the compression type overrides the
compression algorithm for the present directory and all
subdirectories. In the manner you can use different compression
algorithms for different directories within a single project.
Examples
No Compression for fastest build time and fastest load time
(default)
[Compression]
CompressionType=None
Fast Compression for slow build time, good compression ratio,
and fast load time
[Compression]
CompressionType=Fast
Small Compression for medium build time, great compression
ratio, but slow load time
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