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post #11 of 22
Thread Starter 
Quote:
Originally Posted by Imglidinhere View Post

Lack of power is doubtful for that setup. My setup draws around 210w as is, but that's because of the GPU and overclocked CPU that I have.
A 35w CPU and a 10w GPU doesn't equal a throttled system. tongue.gif If you look up the NVS 135m, you'll find that the GPU is of a 10w design, so that's not the issue. As I said, the game is driven off your CPU more than anything. The reason the CPU usage drops is because the Quadro based GPUs, which is what the NVS series is, are not designed for gaming.
The specs of the GPU are pathetic as well. >_> Just sayin'. That's your problem. It's weaker than the 9500GT.

So the GPU is the bottleneck? I was thinking so too after some tests. It's already overclocked from 400/400 to 650/504, I don't think I can push it further....

My only issue is that the performance drops over time. If I had low fps from the start, I'd understand. But I get GREAT fps at the beginning and it drops gradually into a sad mess. What are the recommended clock speeds for gaming?

PS: I think I have a solution to the sniper mode fps drop. The CPU sends instructions to the GPU to color in a whole lot of textures at once - the GPU is the bottleneck so it takes time to do this.
Meanwhile, the CPU is waiting for the textures to arrive, so the load drops. That might be it....
post #12 of 22
Thread Starter 
I'm making two new threads specifically about overclocking my GPU even more. I hope you help me as you did here!
post #13 of 22
The GPU on Nvidia's spec sheet states that it's passively cooled, but still I highly doubt that it's anything beyond the fact that the Quadro series GPUs aren't made to game on. Drivers are what I'd blame this on. That and a low pixel/texture fillrate. It's just something you can't get around.

World of Tanks is pretty demanding in terms of a game. You need a good GPU up to the task and it appears to approve of AMD GPUs more than Nvidia at that.
     
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post #14 of 22
Thread Starter 
Quote:
Originally Posted by Imglidinhere View Post

The GPU on Nvidia's spec sheet states that it's passively cooled, but still I highly doubt that it's anything beyond the fact that the Quadro series GPUs aren't made to game on. Drivers are what I'd blame this on. That and a low pixel/texture fillrate. It's just something you can't get around.
World of Tanks is pretty demanding in terms of a game. You need a good GPU up to the task and it appears to approve of AMD GPUs more than Nvidia at that.

Pixel fillrate: 2.7GPix/s
Texture fillrate: 5.4GTex/s
Bandwidth: 8.1GB/s

You say drivers? I have the latest 30x driver for this card, is there something another version I should use?

Related problem: My GPU jumps between 650 and 675MHz during overclocking even if I only more the sliders by 5MHz increments. What can I do to vary the card speed by lower amounts?


PS: Testing stability @ 700MHz. It runs at higher fps, but there's a lot of texture shimmering once the temperatures hit 78C. Problem?
post #15 of 22
My old GTX 460M managed 7 Gpix/s and 25 Gtex/s with a bandwidth of 74.4GB/s. Your performance sounds about right for the game.
     
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post #16 of 22
Thread Starter 
[UPDATE]

Okay, so I was messing with Rivatuner and EVGA Precision X to try and find a way to increase the voltage on my GPU by 10-15%.
None of them recognized the NVS 135M so....I selected the PCI slot bracket thingy bob option on rivaturner and selected GeForce 8400GS. Restarted the computer, and all hell broke lose, of course.

My GPU observer gadgets didn't work anymore, ASUS GPU Tweak would give dll missing/VGA driver error on startup, nVidia control panel couldn't change the settings and Rivaturner shows it now has the stock clocks of 400.

I had to search for drivers on the nVidia site.

Installing NVS 135 drivers lead to a no supported hardware message, while performance drivers for 8400GS worker. I think I have really changed my GPU irreversibly (I don't want to try a restore yet, I'm testing).

Here are the results:
+5fps on average in game
Since I have capped the FPS at 40 using EVGA (conserve settings after uninstall? Yes please. EVGA doesn't get past 640MHz), average temperature drops by 2 to 3 degrees C.
Lots more options available on Rivatuner, which I have yet to touch. It asks me to check the stock speeds of the GPU, but clicking on the analyze now button has no effect, it just asks me again.

Specific testing:
My objective is a stable 700MHz core clock. This gets me an average fps of 35+ on all maps and drops to 26 when near bushes and trees (compare to 30+, 22 drop). Although it doesn't eliminate the sniper mode CPU load drop/horrible fps it does shorten it.

Testing with NVS drivers: 675MHz causes occasional flickering of far away textures and semi-transparent objects on the screen. Changing POV immediately stops this. I found it to be an acceptable error because it had no permanent effects on the image and GPU temps were in the low 70s.
700MHz however caused frequent flickering of the previously mentioned objects, but when the HUD started flickering and the screen crashed for a few seconds I decided this was unstable wink.gif

Testing with Quadro drivers: 675MHz perfectly stable, no problems here. Far away mountains only flickered once per match (5minutes of 100% use) over a period of one hour.
700MHz is now on the level of the previous 675MHz. I'm thinking that if I increase the voltage if only by a little bit, I could increase the stability enough for a 700MHz clock.

Memory:
There were more errors and heat generated with 500MHz clock I used to apply. Dropping to 450MHz had no performance impact, but somehow reduced the rate at which errors built up on the unstable 700MHz/NVS combo. I'll keep it for the 675MHz/Quadro set up.
Should I reduce it further? I've heard that 8400s can go high up on the core clocks but beyond 500MHz mem destabilizes it....


Your thoughts?

PS: If there is no way to go further than 675/450/Quadro on this card with stock voltages (option to voltmod is locked on all tweakers so far) I might have to touch the CPU. But then again, the Mobo has a locked BIOS.....
post #17 of 22
Thread Starter 
[UPDATE]

On GPU:
I have tried reverting the NVS 135M to an 8400GS with Quadro drivers. It worked and now even nTune works, EVGA precision detects my card and RivaTuner has new tweak options. The latter however can't find my stock frequencies so it won't work.

The 675MHz really is the maximal stable frequency, the next step up, 700MHz, heating up too quickly and causing texture flickering and twisting all over the game.

I have been asked to undervolt my card but just as increasing voltage, I have to unlock the voltage controls first.
A stable 30-35fps is playable, and I have capped the fps 40 to give the GPU a break on low load areas (it can go up to 72fps when staring at an empty sky biggrin.gif).

On CPU:
Since this is a locked mobo, there really is no way to modify the FSB, multiplier or voltage.OCN members have yet to find an unlocked BIOS for Dell laptops...or any unlocked BIOS at all...mad.gif

On Memory:
I have tested my HDD using crystaldrive-thing and found that while sequential read/write speeds are normal, the random 4k access speeds (important for gaming) is around 0.2MBit/s . This may be the bottleneck during the low-fps texture loads when entering sniper mode.
Running the game from a USB key is said to be even worse.
I have been asked to install an SD card...but my Dell precision M4300 doesn't come with an SD card slot. I was then asked if I could get an SSD to simply replace the harddrive. Of course. Awaiting 200+ euro donations.

Putting an SD card in a USB adaptor is deemed useless too because well anything that passes by a 2.0 port should be KILLED WITH FIRE thumb.gif.
post #18 of 22
Quote:
Originally Posted by krakonfive View Post

On Memory:
I have tested my HDD using crystaldrive-thing and found that while sequential read/write speeds are normal, the random 4k access speeds (important for gaming) is around 0.2MBit/s . This may be the bottleneck during the low-fps texture loads when entering sniper mode.
Running the game from a USB key is said to be even worse.
I have been asked to install an SD card...but my Dell precision M4300 doesn't come with an SD card slot. I was then asked if I could get an SSD to simply replace the harddrive. Of course. Awaiting 200+ euro donations.
Putting an SD card in a USB adaptor is deemed useless too because well anything that passes by a 2.0 port should be KILLED WITH FIRE thumb.gif.

No, you were never asked to install an SD card. It was recommended you replace the HDD with SSD period. Big difference. USB 2.0 is actually capable of delivering up to 5MB/s random 4K (tested this with SSD in USB enclosure). If you think that HDD is as slow as you can get, then think again. A flash drive or SD card can be even slower than the HDD (sometimes in the realm of 0.002-0.010 MB/s random 4K).
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post #19 of 22
Thread Starter 
Quote:
Originally Posted by rui-no-onna View Post

No, you were never asked to install an SD card. It was recommended you replace the HDD with SSD period. Big difference. USB 2.0 is actually capable of delivering up to 5MB/s random 4K (tested this with SSD in USB enclosure). If you think that HDD is as slow as you can get, then think again. A flash drive or SD card can be even slower than the HDD (sometimes in the realm of 0.002-0.010 MB/s random 4K).

Wow! That puts snails to shame.

Emm....
Is creating an extra disk solely for the game useful or of any interest? Must I put all my hope in the next patch that supposedly will solve all the low-fps problems in around one week?
post #20 of 22
Thread Starter 
Okay, an update is due.

[UPDATE]
I have tried to use resource monitor. Note the use of the word 'tried'.
I can't make heads or tails of this thing.

I can select to start monitoring my Performance....and get around 150 line charts.
I can add counters, but instead of being clearly labelled as RAM usage/CPU Frequency/HDD Read Speed they have names like BranchCahe/WININET/octets du server. Yeh, its in french.

Is there any free third party software I can download and select what I want to monitor without learning what WSMan quotas and Active Shells are? mad.gif

PS: Notebook check has released a benchmark for world of tanks 8.0 version: http://www.notebookcheck.net/World-of-Tanks-v8-0-Benchmarked.83065.0.html
The interesting thing is that the lowest GPUs on the scale have SLOWER CLOCKS than my actual 675MHz 8400GS...This is making me sad. When I try minimal settings as defined by the game client, I get 10-12 fps, not 25.
Edited by krakonfive - 10/25/12 at 2:28pm
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