Here's my prepar3d.cfg:
[JOBSCHEDULER]
AffinityMask=185
[Display]
ChangeTime=4.000000
TransitionTime=4.000000
ActiveWindowTitleTextColor=255,255,255
ActiveWindowTitleBackGroundColor=0,28,140,64
NonActiveWindowTitleTextColor=255,255,255
NonActiveWindowTitleBackGroundColor=24,33,87,64
InfoUpperRightTextColor=255,0,0
InfoUpperRightBackGroundColor=0,0,0,0
InfoLowerLeftTextColor=255,255,255
InfoLowerLeftBackGroundColor=255,0,0,128
InfoLowerRightTextColor=255,255,255
InfoLowerRightBackGroundColor=255,0,0,128
InfoBrakesEnable=True
InfoParkingBrakesEnable=True
InfoPauseEnable=True
InfoSlewEnable=True
InfoStallEnable=True
InfoOverspeedEnable=True
InfoWeaponSystemEnable=True
InfoCountermeasureEnable=True
SKINNED_ANIMATIONS=1
TEXTURE_BANDWIDTH_MULT=30
UPPER_FRAMERATE_LIMIT=0
WideViewAspect=False
FullScreenExclusive=True
FullScreenAutoFill=True
FullScreen=False
TEXTURE_FILTERING=4
MSAA=2
SSAA=0
VSYNC=1
FXAA=1
TRIPLE_BUFFER=1
BLOOM_EFFECTS=0
TextureMaxLoad=6
[sCENERY]
POP_FREE_AUTOGEN=1
AUTOGEN_BATCH_LOD=2
AUTOGEN_TREE_MAX_DRAW_DISTANCE=9500.000000
AUTOGEN_TREE_MIN_DISTANCE_TO_LOD=2500.000000
IMAGE_COMPLEXITY=2
[Main]
User Objects=Airplane, Helicopter, Submersible, ExternalSim
SimObjectPaths.0=SimObjects\Airplanes
SimObjectPaths.1=SimObjects\Rotorcraft
SimObjectPaths.2=SimObjects\GroundVehicles
SimObjectPaths.3=SimObjects\Boats
SimObjectPaths.4=SimObjects\Animals
SimObjectPaths.5=SimObjects\Misc
SimObjectPaths.6=SimObjects\Submersible
SimObjectPaths.7=SimObjects\Weapons
SimObjectPaths.8=SimObjects\Countermeasures
SimObjectPaths.9=SimObjects\UT2 Aircraft
LabelsSupported=Airplane, Helicopter
Location=-8,0,1032,1080,\\.\DISPLAY1
Maximized=2
HideMenuNormal=1
HideMenuFullscreen=1
LocationFullScreen=0,0,1600,900,\\.\DISPLAY1
FIBER_FRAME_TIME_FRACTION=0.01
[PANELS]
IMAGE_QUALITY=1
SAVE_AND_LOAD_PANEL_STATE=0
PANEL_OPACITY=100
PANEL_MASKING=1
PANEL_STRETCHING=1
UNITS_OF_MEASURE=1
QUICKTIPS=1
[Weather]
WindshieldPrecipitationEffects=1
MinGustTime=10
MaxGustTime=500
MinGustRampSpeed=1
MaxGustRampSpeed=200
MinVarTime=5
MaxVarTime=50
MinVarRampSpeed=10
MaxVarRampSpeed=75
TurbulenceScale=1.000000
WeatherGraphDataInDialog=0
AdjustForMagVarInDialog=1
DynamicWeather=0
DownloadWindsAloft=0
DisableTurbulence=0
CLOUD_DRAW_DISTANCE=5
DETAILED_CLOUDS=1
OPTIMIZE_DENSE_CLOUDS=0
CLOUD_COVERAGE_DENSITY=6
THERMAL_VISUALS=0
VolumetricFog=1
[CONTROLS]
Controls_Default=Standard
Controls_Current=Standard
force_master_gain=10000
force_stick_force_enabled=1
force_stick_shaker_enabled=1
force_gear_bump_enabled=1
force_crash_enabled=1
force_ground_bumps_enabled=1
force_machinegun_enabled=1
KBDAIL=64
KBDELEV=64
KBDRUD=64
force_master_enabled=0
[TextInfo.1]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
WindDirectionAndSpeed=1,6
[TextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
GForce=1,3
FuelPercentage=1,4
[TextInfo.3]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
WindDirectionAndSpeed=1,6
FrameRate=2,1
LockedFrameRate=2,2
GForce=2,3
FuelPercentage=2,4
[slewTextInfo.1]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
[slewTextInfo.2]
FrameRate=1,1
LockedFrameRate=1,2
[slewTextInfo.3]
Latitude=1,1
Longitude=1,2
Altitude=1,3
Heading=1,4
AirSpeed=1,5
FrameRate=2,1
LockedFrameRate=2,2
[DynamicHeadMovement]
LonAccelOnHeadLon=-0.020000
LonAccelOnHeadPitch=-0.010000
RollAccelOnHeadLat=0.010000
YawAccelOnHeadLat=-0.100000
RollAccelOnHeadRoll=0.100000
MaxHeadAngle=5.000000
MaxHeadOffset=0.300000
HeadMoveTimeConstant=1.000000
[VirtualCopilot]
VirtualCopilotActive=0
[uSERINTERFACE]
SHOW_MISSION_CAPTIONS=0
PAUSE_ON_LOST_FOCUS=0
PROMPT_ON_EXIT=1
SITUATION=FLIGHTS\OTHER\Prepar3D
SHOW_SCENARIO_WINDOW=1
RestoreTimeOnMove=0
Map_Orientation=2
MUTE_ON_LOST_FOCUS=1
[PointOfInterestSystem]
CycleSetting=0
[sOUND]
PrimaryPlaybackDevice={DEF00000-9C6D-47ED-AAF1-4DDA8F2B5C03}
VoicePlaybackDevice={DEF00002-9C6D-47ED-AAF1-4DDA8F2B5C03}
VoiceCaptureDevice={DEF00003-9C6D-47ED-AAF1-4DDA8F2B5C03}
SOUND=1
SOUND_QUALITY=2
SOUND_LOD=0
UISound=1
SOUND_FADER1=0.500000
SOUND_FADER2=0.500000
SOUND_FADER3=0.250000
SOUND_FADER4=0.000000
[GRAPHICS]
TEXTURE_MAX_LOAD=2048
NUM_LIGHTS=4
COCKPIT_HIGH_LOD=1
AIRCRAFT_REFLECTIONS=1
LANDING_LIGHTS=0
DAWN_DUSK_SMOOTHING=1
LENSFLARE=1
HDR=1
BLOOM_LEVEL=2
SHADOW_QUALITY=0
TERRAIN_SHADOW_CAST_DISTANCE=0
CLOUD_SHADOW_CAST_DISTANCE=0
OBJECT_SHADOW_CAST_DISTANCE=0
CONTENT_NO_SHADOW=0
INTERIOR_SHADOWS_CAST=0
EXTERIOR_SHADOWS_CAST=0
SIMOBJECT_SHADOWS_CAST=0
TERRAIN_SHADOWS_CAST=0
VEGETATION_SHADOWS_CAST=0
BUILDING_SHADOWS_CAST=0
CLOUD_SHADOWS_CAST=0
INTERIOR_SHADOWS_RECEIVE=0
EXTERIOR_SHADOWS_RECEIVE=0
SIMOBJECT_SHADOWS_RECEIVE=0
TERRAIN_SHADOWS_RECEIVE=0
VEGETATION_SHADOWS_RECEIVE=0
BUILDING_SHADOWS_RECEIVE=0
SHADOW_NUM_CASCADES_LOW=4
SHADOW_NUM_CASCADES_MID=5
SHADOW_NUM_CASCADES_HIGH=7
SHADOW_NUM_CASCADES_ULTRA=12
GROUND_SHADOW_TEXTURE_SIZE=2048
CLOUD_SHADOW_TEXTURE_SIZE=512
SHADOW_LOG_PARTITION_LOW=0.850000
SHADOW_LOG_PARTITION_MID=0.850000
SHADOW_LOG_PARTITION_HIGH=0.850000
SHADOW_LOG_PARTITION_ULTRA=0.850000
EFFECTS_QUALITY=1
EFFECTS_DISTANCE=1
TEXTURE_QUALITY=3
IMAGE_QUALITY=0
See_Self=1
Text_Scroll=1
MIPMAP_VC_PANELS=1
TESSELLATION=1
HIGHMEMFIX=1
GROUND_SHADOWS=0
[TrafficManager]
AirlineDensity=0
GADensity=0
FreewayDensity=0
ShipsAndFerriesDensity=0
LeisureBoatsDensity=0
IFROnly=0
AIRPORT_SCENERY_DENSITY=0
[AContain]
ShowLabels=0
ShowUserLabel=0
ShowLabelManufacturer=1
ShowLabelModel=1
ShowLabelTailNumber=1
ShowLabelDistance=1
ShowLabelAltitude=1
ShowLabelAirline=0
ShowLabelAirlineAndFlightNumber=0
ShowLabelFlightPlan=0
ShowLabelContainerId=0
ShowLabelAirspeed=0
ShowLabelHeading=0
LabelDelay=1000
LabelColor=FFFF0000
[TERRAIN]
LOD_RADIUS=5.500000
TESSELLATION_FACTOR=85
MESH_RESOLUTION=21
TEXTURE_RESOLUTION=25
AUTOGEN_VEGETATION_DENSITY=2
AUTOGEN_BUILDING_DENSITY=2
DETAIL_TEXTURE=1
WATER_REFLECT_CLOUDS=1
WATER_REFLECT_USERAIRCRAFT=1
WATER_REFLECT_SIMOBJECTS=0
WATER_REFLECT_TERRAIN=0
WATER_REFLECT_AUTOGEN_VEGETATION=0
WATER_REFLECT_AUTOGEN_BUILDINGS=0
WATER_REFRACT_CLOUDS=0
WATER_REFRACT_USERAIRCRAFT=0
WATER_REFRACT_SIMOBJECTS=0
WATER_REFRACT_TERRAIN=0
WATER_REFRACT_AUTOGEN_VEGETATION=0
WATER_REFRACT_AUTOGEN_BUILDINGS=0
ENABLE_BATHYMETRY=0
WATER_CLARITY=30
WATER_DETAIL=2
SWAP_WAIT_TIMEOUT=30
[MAIN]
FIBER_FRAME_TIME_FRACTION=0.33
[GRAPHICS]
SHADER_CACHE_VERSION=1
[ATC]
AutoOpenAirTrafficWindow=0
UsePilotVoice=0
PilotVoice=0
ShowATCText=0
[iNTERNATIONAL]
ASLAT=2
ASLON=1
MEASURE=1
[REALISM]
PFactor=1.000000
Torque=1.000000
GyroEffect=1.000000
CrashTolerance=1.000000
General=1.000000
UnlimitedFuel=False
AllowEngineDamage=True
TrueAirspeed=False
AutoCoord=False
RealMixture=True
StressDamage=True
GEffect=True
ManualLights=True
GyroDrift=False
CrashWithDyn=False
CrashDetection=False
OnCrashAction=0
AutoTrim=False
[ATTACHMENTS]
WeaponHighlight=False
HighlightDuration=1.000000
AutoWeaponSwitching=False
UnlimitedWeapons=False
UnlimitedCountermeasures=False
IgnoreAttachmentWeight=True
IgnoreAttachmentForces=True
[RECORDER]
RecordAITraffic=True
RecordAirportVehicles=True
RecordLeisureBoats=True
[sIM]
SYSCLOCK=0
OPTIMIZE_PARTS=1
[sTARTUP]
DEMO=0
STARTUP_DEMO=
LOAD_SIMDIRECTOR=1
LoadWindow=1
[FACILITIES]
COUNTRY=
STATE=
CITY=
GTL_BUTTON=4096
[Misc]
Com_Rate=7
[DISPLAY.Device.AMD Radeon HD 7900 Series.0.0]
Mode=1600x900x32
[FlightPlanMap]
LineWidth=2
[MULTIPLAYER]
condAccoutPassword=0
VoiceVolume=0.000000
This is the best balance between performance and graphics I could come up with. I followed this tutorial to set the Affinity Mask value correctly. Again, I'm no tuning expert, so any suggestion is highly welcomed.
One more thing: as Mickeyj correctly pointed out, UT2 eats a lot of FPS and resources, I mean LOTS. I need AI traffic because i mostly fly offline, do you know if a native P3D traffic addon exists? Or if MyTraffic is less hard on performance?
Thanks again.