[Galaxy S III Q&A, Help & Troubleshooting] exe98123q:
http://arter97.com/browse/S3/kernel/xda/arter97-kernel-5.0.zip

http://xdaforums.com/devdb/project/dl/?id=18503

tested ?

or

# Rendering Tweaks

debug.composition.type=c2d

debug.egl.hw=1

debug.enabletr=true

debug.overlayui.enable=1

debug.qctwa.preservebuf=1

debug.performance.tuning=1

debug.sf.hw=1

dev.pm.dyn_samplingrate=1

hw3d.force=1

ro.config.disable.hw_accel=false

ro.fb.mode=1

ro.sf.compbypass.enable=0

ro.vold.umsdirtyratio=20

persist.sys.composition.type=c2d

persist.sys.ui.hw=1

video.accelerate.hw=1

# Enable GPU Acceleration

debug.sf.hw=1

video.accelerate.hw=1

debug.performance.tuning=1

persist.sys.composition.type=gpu

debug.qc.hardware=true

debug.qctwa.statusbar=1

debug.qctwa.preservebuf=1

debug.egl.profiler=1

debug.egl.hw=1

debug.composition.type=gpu

hw3d.force=1

ro.product.gpu.driver=1

persist.sys.use_16bpp_alpha=1

persist.sampling_profiler=0

hwui.render_dirty_regions=false

hwui.disable_vsync=true

# Saves some battery without reducing performances

wifi.supplicant_scan_interval=497

pm.sleep_mode=1

power.saving.mode=1

ro.ril.disable.power.collapse=0

ro.vold.umsdirtyratio=20

# Battery save

pm.sleep_mode=1

ro.ril.disable.power.collapse=0

profiler.force_disable_err_rpt=1

profiler.force_disable_ulog=1

dalvik.vm.checkjni=false

dalvik.vm.execution-mode=int:jit

ro.ril.power_collapse=1

power_supply.wakeup=enable

ro.mot.eri.losalert.delay=1000

ro.config.hw_fast_dormancy=1

ro.config.hw_power_saving=1

# Misc Tweaks (enables ADB service)

persist.service.adb.enable=1

# Sensor Sleep Control

ro.ril.sensor.sleep.control=1

# Device will boot faster

persist.sys.shutdown.mode=hibernate

ro.config.hw_fast_dormancy=1

ro.config.hw_quickpoweron=true

# Reduce dial-out time

ro.telephony.call_ring.delay=0

# Allow purge of assets to free more ram

persist.sys.purgeable_assets=1

# More free ram and apps load faster

dalvik.vm.dexopt-flags=m=y

# More RAM

#persist.sys.purgeable_assets=1

persist.service.pcsync.enable=0

persist.service.lgospd.enable=0

# Increase general Performance

debug.performance.tuning=1

# Increase some Performance

ro.secure=0

persist.sys.use_16bpp_alpha=1

ro.product.gpu.driver=1

ro.min.fling_velocity=8000

# Reduce the black screen time of the proximity sensor

ro.lge.proximity.delay=15

mot.proximity.delay=15

ro.ril.enable.amr.wideband=1

# TOUCH

touch.presure.scale=0.001

# Better Scrolling responsiveness and speed

windowsmgr.max_events_per_sec=150

ro.max.fling_velocity=12000

ro.min.fling_velocity=8000

ro.min_pointer_dur=8

# Smoothens UI

persist.service.lgospd.enable=0

persist.service.pcsync.enable=0

ro.ril.enable.a52=1

ro.ril.enable.a53=0

# Increase camera's photo and video recording quality

ro.media.dec.jpeg.memcap=8000000

ro.media.enc.hprof.vid.bps=8000000

ro.media.enc.hprof.vid.fps=65

# Better Flashlight intensity and camera-flash quality

ro.media.capture.flash=led

ro.media.capture.flashMinV=3300000

ro.media.capture.torchIntensity=40

ro.media.capture.flashIntensity=70

ro.media.capture.maxres=8m

ro.media.capture.fast.fps=4

ro.media.capture.slow.fps=120

ro.media.panorama.defres=3264x1840

ro.media.panorama.frameres=1280x720

ro.camcorder.videoModes=true

ro.media.enc.hprof.vid.fps=65

# Increase the volume steps in-call

ro.config.vc_call_steps=20

# Better call voice quality.

ro.ril.enable.amr.wideband=1

# Force launcher into memory

ro.HOME_APP_ADJ=1

# Disable Bytecode Verification

dalvik.vm.verify-bytecode=false

dalvik.vm.dexopt-flags=m=y,v=n,o=v

#dalvik.vm.dexopt-flags=m=y,v=n,o=v,u=n

# Improves Camera & Video Results

ro.media.panorama.defres=3264x1840

ro.media.panorama.frameres=1280x720

ro.camcorder.videoModes=true

ime_extend_row_keyboard=true

ime_onehand_keyboard=true

ime_split_keyboard=true

ime_vibration_pattern=0:60

# Increase jpg quality to 100%

ro.media.enc.jpeg.quality=100

# Disable Error reporting and logs

profiler.force_disable_err_rpt=1

profiler.force_disable_ulog=1

# Disable Sending Usage Data

ro.config.nocheckin=1

# Fix some application issues (FC)

ro.kernel.android.checkjni=0

# MMS APN retry timer set to 2 sec( if SMS/MMS couldn`t be sent, it retries after 2 instead of 5 seconds)

ro.gsm.2nd_data_retry_config=max/_retries=3, 2000, 2000, 2000

# Miscellaneous Tweaks for performance

ro.config.hw_menu_unlockscreen=false

persist.sys.use_dithering=0

persist.sys.purgeable_assets=1

dalvik.vm.dexopt-flags=m=y

ro.mot.eri.losalert.delay=1000

# Better internet browsing & download speed

net.tcp.buffersize.default=4096,87380,256960,4096, 16384,256960

net.tcp.buffersize.wifi=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.umts=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.gprs=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.edge=4096,87380,256960,4096,163 84,256960

net.tcp.buffersize.hspa=6144,87380,524288,6144,163 84,262144

net.tcp.buffersize.lte=524288,1048576,2097152,5242 88,1048576,2097152

net.tcp.buffersize.hsdpa=6144,87380,1048576,6144,8 7380,1048576

net.tcp.buffersize.evdo_b=6144,87380,1048576,6144, 87380,1048576

# Smoother video streaming and tweak media

media.stagefright.enable-player=true

media.stagefright.enable-meta=true

media.stagefright.enable-scan=true

media.stagefright.enable-http=true

media.stagefright.enable-aac=true

media.stagefright.enable-qcp=true

media.stagefright.enable-record=true

# 3G signal and speed tweaks

ro.ril.hsxpa=2

ro.ril.gprsclass=10

ro.ril.hep=1

ro.ril.enable.dtm=1

ro.ril.hsdpa.category=10

ro.ril.enable.a53=1

ro.ril.enable.3g.prefix=1

ro.ril.htcmaskw1.bitmask=4294967295

ro.ril.htcmaskw1=14449

ro.ril.hsupa.category=7

ro.ril.hsdpa.category=10

ro.ril.enable.a52=1

ro.ril.set.mtu1472=1

persist.cust.tel.eons=1

ro.config.hw_fast_dormancy=1

# GOOGLE DNS

net.dns1=8.8.8.8

net.dns2=8.8.4.4

net.rmnet0.dns1=8.8.8.8

net.rmnet0.dns2=8.8.4.4

net.ppp0.dns1=8.8.8.8

net.ppp0.dns2=8.8.4.4

net.wlan0.dns1=8.8.8.8

net.wlan0.dns2=8.8.4.4

net.eth0.dns1=8.8.8.8

net.eth0.dns2=8.8.4.4

net.gprs.dns1=8.8.8.8

net.gprs.dns2=8.8.4.4

# CRT

persist.sys.screen_off=crt

persist.sys.screen_on=none

# Support For IPV4 and IPV6

persist.telephony.support.ipv6=1

persist.telephony.support.ipv4=1

#

ro.com.google.locationfeatures=1

ro.com.google.networklocation=1

htc.audio.alt.enable=0

htc.audio.hac.enable=0

# Wireless Tweaks

net.ipv4.ip_no_pmtu_disc=0

net.ipv4.route.flush=1

net.ipv4.tcp_ecn=0

net.ipv4.tcp_fack=1

net.ipv4.tcp_mem=187000 187000 187000

net.ipv4.tcp_moderate_rcvbuf=1

net.ipv4.tcp_no_metrics_save=1

net.ipv4.tcp_rfc1337=1

net.ipv4.tcp_rmem=4096 39000 187000

net.ipv4.tcp_sack=1

net.ipv4.tcp_timestamps=1

net.ipv4.tcp_window_scaling=1

net.ipv4.tcp_wmem=4096 39000 18700

wifi.supplicant_scan_interval=180

# Video Acceleration Enabled And HW debugging

video.accelerate.hw=1

debug.sf.hw=1

debug.performance.tuning=1

debug.egl.profiler=1 # Measure rendering time in adb shell dumpsys gfxinfo

debug.egl.hw=1

debug.composition.type=gpu # Disable hardware overlays and use GPU for screen compositing

# Disable logcat

logcat.live=disable

# Better image quality, lower performance.

lpa.decode=false

tunnel.decode=false

lpa.use-stagefright=false