whitav8r
01-18-2011, 02:58 PM
I wanted to report the results of some tests that I was fortunate to be able to run on a new PC with a 980X 6 core CPU running at 4.0 Ghz (CL7 memory timing) with an Nvidia 470 connected to a Matrox triple Head 2 Go. Three monitors were connected to the TH2Go for three separate windowed, independent views with a large field of view (210 deg) - the center large screen at Zoom=.33 which provides +-45 degrees and the two side views centered at directly sideways with +-30 degrees (Zoom = .7). Two additional monitors were running a helicopter instrument panel and a GPS display. I realize that using three independent PCs could provide even more performance but the goal here was just to see the performance with a single PC system. The Scenery settings were pretty modest but still fine for a good scene particularly when using the FlyTampa Hong Kong scenery. It was found that Vsync could be left off (providing higher frame rates) when using the TH2Go since it provides the final sync and removes the picture tearing. This system would be usable for a home cockpit that wants to keep it simple. Smoothness was also very important (particularly for hovering and high rate tail rotor turns)and internal/external limiters were shown to provide some improved fluidity. Framerates listed below were without any limiting. The monitors were also driven straight without a Th2Go using a second video card but UsePools=0 caused some artifacts and RejectThreshold had to be utilized - frame rates were somewhat lower.
(3 x 1400x900 views) (Aniso=8x,AA=8xQ)
Dense Scenery - Normal Autogen - test with yaw rate
NOTE: Scenery Settings Med, 38,38,1,Mid 1.x, no traffic
Field of View (90,60,60 - .33,.7,.7) Weather=Building Storms, TOD=day/dusk
Increased Load - Light Traffic, Very Dense Scenery, More res, Water Low 2.x, Dusk
----------------------Baseline --- Inc Load
-----------------------day/dusk
Scenery Location
Megascenery Seattle
Downtown------ 60/45 --- 40
KSEA 34R------60/50 --- 41
KBFI 31L------- 54/44 --- 41
KRNT 33-------- 52/44 --- 47
KSEA ramp------ 53/40 --- 40
FlyTampa HongKong
Airport Gates 54/37---32
helipad 1------ 70/50 --- 41
helipad 2------ 71/51 --- 40
Megascenery Socal
KLAX 25L-------62/46 --- 40
KLAX 25R------- 64/55 --- 39
KLAX at tower-- 68/60 --- 46
KSAN 27-------- 87/85 --- 50
KPSP G1-------- 100/80 --- 55
KCRQ 6----------90/70 --- 50
Aerosoft Nice, France-- 55/53 --- 40
Aerosoft Monte Carlo--- 62/55 --- 41
Megascenery Oahu
Downtown------- 80/65 --- 55
mtns----------- 85/80 --- 54
Megascenery NewYork
KLGA------------50/40--- 35
Downtown------- 50/40--- 31
Tweaks Applied:
UsePools=0, Matrox TH2Go ( Vsync=0), FFTF=0.05, display.cfg, from Bojote/Needham list.
(3 x 1400x900 views) (Aniso=8x,AA=8xQ)
Dense Scenery - Normal Autogen - test with yaw rate
NOTE: Scenery Settings Med, 38,38,1,Mid 1.x, no traffic
Field of View (90,60,60 - .33,.7,.7) Weather=Building Storms, TOD=day/dusk
Increased Load - Light Traffic, Very Dense Scenery, More res, Water Low 2.x, Dusk
----------------------Baseline --- Inc Load
-----------------------day/dusk
Scenery Location
Megascenery Seattle
Downtown------ 60/45 --- 40
KSEA 34R------60/50 --- 41
KBFI 31L------- 54/44 --- 41
KRNT 33-------- 52/44 --- 47
KSEA ramp------ 53/40 --- 40
FlyTampa HongKong
Airport Gates 54/37---32
helipad 1------ 70/50 --- 41
helipad 2------ 71/51 --- 40
Megascenery Socal
KLAX 25L-------62/46 --- 40
KLAX 25R------- 64/55 --- 39
KLAX at tower-- 68/60 --- 46
KSAN 27-------- 87/85 --- 50
KPSP G1-------- 100/80 --- 55
KCRQ 6----------90/70 --- 50
Aerosoft Nice, France-- 55/53 --- 40
Aerosoft Monte Carlo--- 62/55 --- 41
Megascenery Oahu
Downtown------- 80/65 --- 55
mtns----------- 85/80 --- 54
Megascenery NewYork
KLGA------------50/40--- 35
Downtown------- 50/40--- 31
Tweaks Applied:
UsePools=0, Matrox TH2Go ( Vsync=0), FFTF=0.05, display.cfg, from Bojote/Needham list.