CrossBreeder - 7.2.13 MOD Galaxy Y
VERY IMPORTANT - Please take a NANDROID backup of your device before installing this MOD. This MOD is alpha and still some way to go before stabilising. Please do download both CrossBreeder and the Uninstall ZIP together to your SD Card so you can uninstall in case of any issues.
IMPORTANT - Please uninstall a prior version of CrossBreeder by flashing the attached latest uninstall ZIP before flashing the latest version. Please report problems only with the latest version of the software along with your model number, ROM details and the output of the following command:
su -c "/system/etc/CrossBreeder/CHECK_PROCS"
Please upgrade even if you're happy with a prior version as there are some prospective issues with prior versions which can result in your phone doing more work than necessary.
Also do read the portion below on how to run the REMOVE_DNS_CLIENT command to disable the DNS portion only if you're getting network issues.
WARNING - Other entropy reduction apps like rngd standard and rngd from Seeder and qrngd are not compatible with this mod. In case you have Seeder running please disable it. You can run the app to see the entropy levels though. This mod blocks all other rngs so Seeder may not run. The nature of the /dev/random device is now faster non blocking link to urandom and different to what these apps expect. They would otherwise go into a CPU consumption loop at 60-70% cpu usage. There is no loss of functionality by disabling other rngs as this is a replacement and an improvement
IMPORTANT - Please uninstall a prior version of CrossBreeder by flashing the attached latest uninstall ZIP before flashing the latest version. Please report problems only with the latest version of the software along with your model number, ROM details and the output of the following command:
su -c "/system/etc/CrossBreeder/CHECK_PROCS"
Please upgrade even if you're happy with a prior version as there are some prospective issues with prior versions which can result in your phone doing more work than necessary.
Also do read the portion below on how to run the REMOVE_DNS_CLIENT command to disable the DNS portion only if you're getting network issues.
QUICK LINKS TO FLASH: CrossBreeder_7.2.13.zip and CrossBreeder_Uninstall_7.2.13.zip - NOTE - Installer clears dalvik cache!
In Case of bootloop issues, you can try the no AutoStart variant:
CrossBreeder_7.2.13_No_AutoStart.zip
You'll then need to start CrossBreeder using the command:
su -c "/system/etc/CrossBreeder/zzCrossBreeder FORCE"
( Only required if you're using the no autostartup version).
This is a new take at improving Android and reducing GUI lag.
It's lightweight and won't consume battery. Users have reported drastic improvements in usability and battery life. It will show noticeable improvements.
All you need to try it is custom recovery. It is for all Android devices. ( not x86 ones ).
This is a combination of 5 different key methodologies to improve the Android experience:
1. It's a big new feature, DNS caching, parallelising and tether boost . A lot of the lag in a lot of apps, apart from the GUI lag, is due to slow DNS querying, specially on the mobile network.
CrossBreeder now runs a caching, parallelising DNS client on the device. So now most of your DNS queries will be served from the cache and if not found, the query will be sent in in parallel to multiple DNS servers including the two Google DNS servers, the two L3 DNS servers and your two ISP servers and the quickest reply will be served to you, hot and transparently.
This speeds up network access and networked apps, like Browsers of course, and Tapatalk, Gmail and thousands of others drastically. And removes a lot of the lag where it was due to DNS querying. This will not increase your network or download speed but pages will load much faster.
This will future proof your devices as more and more apps start using HTML5 and/or reside completely as web pages or the like.
CrossBreeder boosts your tethering connection. Client devices to your device will take advantage of the new DNS. Hence their usage is also improved! In many cases this update might even fix a broken tethering feature on your phone. So if your ROM doesn't have a working tethering support, you an try and install this update. It might magically start working!
CrossBreeder blocks ads and spyware in an efficient manner by blocking access to the host. It does this using a static block list of known ad sites and behaving as an authoritative DNS server for these sites and redirecting them to a dummy address. CrossBreeder runs a simple web server serving empty images and pages, so ads completely disappear instead of showing an ugly Page/Image Not found error.
CrossBreeder now includes the bypass censor functionality. This allows you to circumvent DNS based censors as used by most authoritarian countries. This basically works by bypassing your ISP's DNS servers and querying the 2 Google DNS servers and 2 L3 DNS servers only. These are usually faster anyway, more so due to the caching and parallelizing nature of the query. Thus if your ISP is blocking websites without telling you, you have a way out if this. You can enable it using the following command:
su -c "/system/etc/CrossBreeder/ENABLE_BYPASS_ISP"
and rebooting.
You can also choose your custom DNS servers by updating the /etc/CrossBreeder/REMOTE_DNS file with each custom DNS server in a separate line.
NOTE: CrossBreeder DNS (Boost/Adblock/Censor Bypass) will not work (as in it won't be used ) if your ISP APN contains an entry for a proxy server. Do edit the APN and remove the proxy entry and see if you can browse fine. That will allow CrossBreeder DNS to work.
In order to achieve all this DNS related functionality, CrossBreeder relies on the excellent open source utilities - DNRD and Dnsmasq
2. Modulate OS entropy levels for lag reduction ala Seeder. The whole OS reads either /dev/random or /dev/urandom and both need entropy. However this mod uses a completely different, lightweight and efficient random number generator called Havege . This sharply reduces cpu consumption and corresponding battery life loss compared to Seeder. It also does a better job at keeping entropy levels high hence your device is more responsive. It doesn't run in a CPU intensive loop either. The extend queue functionality has also been added to CrossBreeder. See here for another rationale favouring Havege compared to Rngd - ( http://code.google.com/p/csrng/ - Look for the limitations.)
3. Change kernel parameters specially the wakeup threshold ones so read blocks are released instantly and writes never wake up as we have an external entropy generator. And a host of other fail safe and working tweaks from the community for each key subsystem. ( one can look inside /etc/CrossBreeder/zzCrossBreeder ).
4. Remove /dev/random as it's blocking . Link it to non-blocking /dev/urandom. Since /dev/random is blocking and designed to protect us from Quantum alien cryptographers with mathematical certainty and urandom is non blocking pseudo-random device that most apps and OSs are using anyway and with Haveged running, is as secure anyway as it's very difficult to empty the entropy pool faster than Havege can replenish it. Pre ICS devices have a lot to gain with this but ICS+ devices show visible gains too.
5. Frandom support (Optional) - CrossBreeder now supports linking both your random devices to the extremely fast alternative - Frandom ( http://billauer.co.il/frandom.html ). This module is orders of magnitude (10-50 times) faster than the standard character devices ( Check this out - http://forum.xda-developers.com/show...&postcount=134 ). The erandom character device also installed by Frandom doesn't use up system entropy at all on top of being fast. You will need to ask your ROM developer to develop the kernel module for you and then place it in /system/lib/modules. CrossBreeder will then try and load it and if successful, make all the necessary adjustments so that both /dev/random and /dev/urandom are pointing to /dev/frandom and /dev/erandom respectively. The speed benefits are to be seen to be believed. But since each ROM requires a unique kernel module, this option is left optional ( but auto detect ). Advanced users can even try and load the frandom module built for other kernels if they don't have one readily available for their own kernel version using the Punchmod utility. Read this: http://forum.xda-developers.com/show...5#post41920265
Your thoughts and experiences welcome and actively solicited.
HOWTO:
- flash the attached file in cwm recovery. That's it.To uninstall flash the uninstall zip in cwm
In Case of bootloop issues, you can try the no AutoStart variant:
CrossBreeder_7.2.13_No_AutoStart.zip
You'll then need to start CrossBreeder using the command:
su -c "/system/etc/CrossBreeder/zzCrossBreeder FORCE"
( Only required if you're using the no autostartup version).
This is a new take at improving Android and reducing GUI lag.
It's lightweight and won't consume battery. Users have reported drastic improvements in usability and battery life. It will show noticeable improvements.
All you need to try it is custom recovery. It is for all Android devices. ( not x86 ones ).
This is a combination of 5 different key methodologies to improve the Android experience:
1. It's a big new feature, DNS caching, parallelising and tether boost . A lot of the lag in a lot of apps, apart from the GUI lag, is due to slow DNS querying, specially on the mobile network.
CrossBreeder now runs a caching, parallelising DNS client on the device. So now most of your DNS queries will be served from the cache and if not found, the query will be sent in in parallel to multiple DNS servers including the two Google DNS servers, the two L3 DNS servers and your two ISP servers and the quickest reply will be served to you, hot and transparently.
This speeds up network access and networked apps, like Browsers of course, and Tapatalk, Gmail and thousands of others drastically. And removes a lot of the lag where it was due to DNS querying. This will not increase your network or download speed but pages will load much faster.
This will future proof your devices as more and more apps start using HTML5 and/or reside completely as web pages or the like.
CrossBreeder boosts your tethering connection. Client devices to your device will take advantage of the new DNS. Hence their usage is also improved! In many cases this update might even fix a broken tethering feature on your phone. So if your ROM doesn't have a working tethering support, you an try and install this update. It might magically start working!
CrossBreeder blocks ads and spyware in an efficient manner by blocking access to the host. It does this using a static block list of known ad sites and behaving as an authoritative DNS server for these sites and redirecting them to a dummy address. CrossBreeder runs a simple web server serving empty images and pages, so ads completely disappear instead of showing an ugly Page/Image Not found error.
CrossBreeder now includes the bypass censor functionality. This allows you to circumvent DNS based censors as used by most authoritarian countries. This basically works by bypassing your ISP's DNS servers and querying the 2 Google DNS servers and 2 L3 DNS servers only. These are usually faster anyway, more so due to the caching and parallelizing nature of the query. Thus if your ISP is blocking websites without telling you, you have a way out if this. You can enable it using the following command:
su -c "/system/etc/CrossBreeder/ENABLE_BYPASS_ISP"
and rebooting.
You can also choose your custom DNS servers by updating the /etc/CrossBreeder/REMOTE_DNS file with each custom DNS server in a separate line.
NOTE: CrossBreeder DNS (Boost/Adblock/Censor Bypass) will not work (as in it won't be used ) if your ISP APN contains an entry for a proxy server. Do edit the APN and remove the proxy entry and see if you can browse fine. That will allow CrossBreeder DNS to work.
In order to achieve all this DNS related functionality, CrossBreeder relies on the excellent open source utilities - DNRD and Dnsmasq
2. Modulate OS entropy levels for lag reduction ala Seeder. The whole OS reads either /dev/random or /dev/urandom and both need entropy. However this mod uses a completely different, lightweight and efficient random number generator called Havege . This sharply reduces cpu consumption and corresponding battery life loss compared to Seeder. It also does a better job at keeping entropy levels high hence your device is more responsive. It doesn't run in a CPU intensive loop either. The extend queue functionality has also been added to CrossBreeder. See here for another rationale favouring Havege compared to Rngd - ( http://code.google.com/p/csrng/ - Look for the limitations.)
3. Change kernel parameters specially the wakeup threshold ones so read blocks are released instantly and writes never wake up as we have an external entropy generator. And a host of other fail safe and working tweaks from the community for each key subsystem. ( one can look inside /etc/CrossBreeder/zzCrossBreeder ).
4. Remove /dev/random as it's blocking . Link it to non-blocking /dev/urandom. Since /dev/random is blocking and designed to protect us from Quantum alien cryptographers with mathematical certainty and urandom is non blocking pseudo-random device that most apps and OSs are using anyway and with Haveged running, is as secure anyway as it's very difficult to empty the entropy pool faster than Havege can replenish it. Pre ICS devices have a lot to gain with this but ICS+ devices show visible gains too.
5. Frandom support (Optional) - CrossBreeder now supports linking both your random devices to the extremely fast alternative - Frandom ( http://billauer.co.il/frandom.html ). This module is orders of magnitude (10-50 times) faster than the standard character devices ( Check this out - http://forum.xda-developers.com/show...&postcount=134 ). The erandom character device also installed by Frandom doesn't use up system entropy at all on top of being fast. You will need to ask your ROM developer to develop the kernel module for you and then place it in /system/lib/modules. CrossBreeder will then try and load it and if successful, make all the necessary adjustments so that both /dev/random and /dev/urandom are pointing to /dev/frandom and /dev/erandom respectively. The speed benefits are to be seen to be believed. But since each ROM requires a unique kernel module, this option is left optional ( but auto detect ). Advanced users can even try and load the frandom module built for other kernels if they don't have one readily available for their own kernel version using the Punchmod utility. Read this: http://forum.xda-developers.com/show...5#post41920265
Your thoughts and experiences welcome and actively solicited.
HOWTO:
- flash the attached file in cwm recovery. That's it.To uninstall flash the uninstall zip in cwm
WARNING - Other entropy reduction apps like rngd standard and rngd from Seeder and qrngd are not compatible with this mod. In case you have Seeder running please disable it. You can run the app to see the entropy levels though. This mod blocks all other rngs so Seeder may not run. The nature of the /dev/random device is now faster non blocking link to urandom and different to what these apps expect. They would otherwise go into a CPU consumption loop at 60-70% cpu usage. There is no loss of functionality by disabling other rngs as this is a replacement and an improvement
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