Swiftweasel
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Swiftweasel was a fork of Mozilla Firefox available for the Linux platform only.
Optimization
Swiftweasel is optimized using the following methods:
P.G.O.
As of the 3.0.3 release, Swiftweasel has shifted its primary optimization from processor specific to profile-guided optimization (PGO).[1] It is a two step building process. The application is compiled one time and then run to produce a profile. The profile is then used to guide a second compilation of the application.
Some of the older optimizations are still used, but there are now only Intel and AMD versions of each build. It is released compiled in a tar.gz package. There are also separate installers for Ubuntu and Arch linux available through their communities.
Binary code optimization
- Swiftweasel is compiled with options that optimize for speed rather than binary size.
- Binaries incorporate additional instruction sets:[5]
- Optimization specific to the build microprocessor architecture.[5]
- Compiled with newer versions of GCC (Firefox 2.0 uses 3.3.2, Swiftweasel 2.0 uses 4.0.3, and Swiftweasel 3.0.3 uses 4.2.3).[5]
Increased security
- Better protection from Buffer overflow attacks[6] (Swiftweasel 2.0 uses -D_FORTIFY_SOURCE=2; Firefox 2.0 uses gcc 3.x, which does not support this).[5]
Simplify
- IPv6 DNS lookups are disabled, preventing slowdowns;[5]
- HTTP pipelining is enabled by default.[5] Note that Fasterfox provides a GUI to adjust these settings.
- For full details, users can download source packages with all changes listed.
Installed extensions
Swiftweasel has several extensions installed by default.[7]
- XForms
- AdBlock Plus
- User Agent Switcher[8]
- Quick Locale Switcher[9]
Swiftweasel-specific changes
Changes made to Swiftweasel include:
- The default icon set has been replaced with the Kempelton[10] icon set.
- Swiftweasel uses its own settings directory. The settings, including bookmarks, history, and extensions are imported from Mozilla Firefox the first time Swiftweasel runs.
- Plugins stored in /lib/mozilla/plugins and /lib/Firefox/plugins are detected and used by Swiftweasel.
Swiftdove
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The Swiftweasel project also builds optimized 32 and 64bit builds of the Thunderbird email client known as Swiftdove.
Optimizations
As of the current version 2.0.0.21, Swiftdove is also PGO optimized.
Plugins
The 2.0.0.21 builds of Swiftdove include the 0.9 Lightning calendar plugin installed by default.
See also
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References
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- ↑ Script error: No such module "citation/CS1".Script error: No such module "Unsubst".
- ↑ Use the in-browser
about:buildconfigURL to check the details of all builds - ↑ Use the in-browser
about:buildconfigURL to check the details of 2.0 builds - ↑ Script error: No such module "citation/CS1".
- ↑ a b c d e f Script error: No such module "citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ Script error: No such module "citation/CS1".
- ↑ User Agent Switcher
- ↑ Quick Locale Switcher Template:Webarchive
- ↑ Kempelton
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External links
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