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Old December 3rd, 2012, 10:19 AM   #1 (permalink)
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Post VM Heapsize Change equals FAST

I changed the VM Heap Size from 24 to 56 which made it very snappy and blazing fast only draw back I've noticed is that when you get online using the stock browser it kills the battery remember not to go under 24 because it could cause system instability. also there are two places to change the VM heap inside of the build.prop. I will copy and paste what I have. On my launcher I use the Sony Xperia Launcher and deleted the original launcher after installing it into my systems/app folder.

# begin build properties
# autogenerated by buildinfo.sh
ro.build.id=IML77
ro.build.display.id=IML77
ro.build.version.incremental=release.20120703.1337 54
ro.build.version.sdk=15
ro.build.version.codename=REL
ro.build.version.release=4.0.4
ro.build.date=Tue Jul 3 13:38:18 JST 2012
ro.build.date.utc=1341290298
ro.build.type=user
ro.build.user=release
ro.build.host=release
ro.build.tags=release-keys
ro.product.model=Yung Geezer
ro.product.brand=kyocera
ro.product.name=C5170
ro.product.device=C5170
ro.product.board=C5170
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=kyocera
ro.product.locale.language=en
ro.product.locale.region=US
ro.wifi.channels=
ro.board.platform=msm7630_surf
# ro.build.product is obsolete; use ro.product.device
ro.build.product=C5170
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=C5170-user 4.0.4 IML77 release.20120703.133754 release-keys
ro.build.fingerprint=kyocera/C5170/C5170:4.0.4/IML77/release.20120703.133754:user/release-keys
ro.build.characteristics=default
ro.build.internalswversion=1.001BT.01.a
ro.build.swversion=1.001BT
# end build properties
#
# system.prop for surf
#

rild.libpath=/system/lib/libril-qc-qmi-1.so
rild.libargs=-d /dev/smd0
persist.rild.nitz_plmn=
persist.rild.nitz_long_ons_0=
persist.rild.nitz_long_ons_1=
persist.rild.nitz_long_ons_2=
persist.rild.nitz_long_ons_3=
persist.rild.nitz_short_ons_0=
persist.rild.nitz_short_ons_1=
persist.rild.nitz_short_ons_2=
persist.rild.nitz_short_ons_3=
ril.subscription.types=NV
DEVICE_PROVISIONED=1
debug.sf.hw=1
dalvik.vm.heapsize=56m
dev.pm.dyn_samplingrate=1

#
# system props for the cne module
#
persist.cne.UseCne=vendor
persist.cne.UseSwim=false
persist.cne.bat.range.low.med=30
persist.cne.bat.range.med.high=60
persist.cne.loc.policy.op=/system/etc/OperatorPolicy.xml
persist.cne.loc.policy.user=/system/etc/UserPolicy.xml
persist.cne.bwbased.rat.sel=false
persist.cne.snsr.based.rat.mgt=false
persist.cne.bat.based.rat.mgt=false
persist.cne.rat.acq.time.out=30000
persist.cne.rat.acq.retry.tout=0
persist.cne.sync.swim.mode=false

#
lpa.decode=true
ro.hdmi.enable=true

#
# system props for the data modules
#
ro.use_data_netmgrd=true

#
# system props for SD card emulation of emmc partition
#
ro.emmc.sdcard.partition=16

#
# system props for telephony modules
#
#device supports EHRPD
ro.config.ehrpd=false

#
# system props for the MM modules
#
media.stagefright.enable-player=true
media.stagefright.enable-meta=false
media.stagefright.enable-scan=true
media.stagefright.enable-http=true
media.stagefright.enable-fma2dp=true
media.stagefright.enable-aac=true
media.stagefright.enable-qcp=true
lpa.use-stagefright=true

#
# system prop for opengles version
#
ro.opengles.version=131072

#
# system prop for Bluetooth Dialup Networking
#
ro.qualcomm.bluetooth.dun=true

#
# system prop for Bluetooth Auto connect for remote initated connections
#
ro.bluetooth.remote.autoconnect=true

#
# System prop to disable strict mode flash on display
#
persist.sys.strictmode.visual=false

#
# system prop for multi rild (DSDS case)
#
ro.multi.rild=false

#
# system prop for Bluetooth FTP profile
#
ro.qualcomm.bluetooth.ftp=false
#
# system property for Bluetooth discoverability time out in seconds
# 0: Always discoverable
#debug.bt.discoverable_time=0

#
# system prop for requesting Master role in incoming Bluetooth connection.
#
ro.bluetooth.request.master=true

#
# system property to enforce Phone Mode view
#
ro.screen.layout=normal

#
#System prop for disabling the meta data mode for encoder
#
debug.camcorder.disablemeta=0

#
# Simulate sdcard on /data/media
#
persist.fuse_sdcard=false
# Turn off tiled rendering
#
debug.enabletr=false

#
# System prop for using landscape preview layout in camera
#
debug.camera.landscape=true

#
# System prop for capping scroll velocity
#
ro.max.fling_velocity=4000

#
# System prop for max evnet per sec
#
windowsmgr.max_events_per_sec=60

#
# System prop for Chameleon
#
ro.com.google.clientidbase=android-kyocera
ro.com.google.clientidbase.ms=android-boost-us
ro.com.google.clientidbase.yt=android-boost-us
ro.com.google.clientidbase.am=android-boost-us
ro.com.google.clientidbase.gmm=android-boost-us
ro.cdma.home.operator.alpha=Boost Mobile
ro.cdma.home.operator.numeric=311870


#
# ADDITIONAL_BUILD_PROPERTIES
#
dalvik.vm.heapstartsize=5m
dalvik.vm.heapgrowthlimit=56m
dalvik.vm.heapsize=128m
keyguard.no_require_sim=true
ro.com.android.dataroaming=true
ro.com.android.dateformat=MM-dd-yyyy
ro.config.ringtone=CurveBall.ogg
ro.config.notification_sound=DontPanic.ogg
ro.config.alarm_alert=Alarm_Classic.ogg
ro.vendor.extension_library=/system/lib/libqc-opt.so
drm.service.enable=true
ro.setupwizard.mode=DISABLED
ro.com.google.gmsversion=4.0_r2
ro.camera.sound.forced=1
drm.service.enabled=true
persist.sys.ringermode=2
persist.sys.language=en
persist.sys.country=US
persist.timed.enable=true
browser.management=false
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt

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Old December 3rd, 2012, 11:54 AM   #2 (permalink)
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change the VM start size from 5 to 10 save it and you will notice a increase in performance play with the numbers fair warning don't go under 5 which will result in instability.
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Old December 3rd, 2012, 01:40 PM   #3 (permalink)
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Nice find!
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Old December 3rd, 2012, 03:49 PM   #4 (permalink)
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Originally Posted by downthemachine View Post
Nice find!
thanks man just doing my part in the community thats all
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Old December 12th, 2012, 01:06 PM   #5 (permalink)
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Hey it definitely speed things up thank you post here for build props changes if you do any that help. Is there a way in build that I can increase 3g speeds.
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Old December 15th, 2012, 05:40 PM   #6 (permalink)
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The combination of the VM heap tool & your build.prop editor of choice can make the process of changing your VM heap values effortless.

https://play.google.com/store/apps/details?id=com.martino2k6.vmheaptool
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