FPS drop in all games after some time playing, VAIO Fit, Perfmon analysis

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Zeal01

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Dec 24, 2009
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18,510
Hey guys,

I bought my self a VAIO Flip 15A and am reasonably pleased with it. However during all games (so far Rogue Legacy, Dragon Age Origins, Ring Runner, Don't Starve) after some time playing I get a fairly substantial FPS drop. I ran Perfmon (Processor, Processor Info, Processor Perf, Power Meter, Physical Disk, Paging File, Memory and Cache) and 15 mins into DA:O noticed this:

Spikes in:
Processor info ---% Idle time, %C3 time, %C3 transitions/sec,
Physical Disc---Disc read bytes/sec, Disc bytes/sec, Avg. Disc queue length, % Disc read time, Disc transfers /sec,
Memory-- Page read per sec, Pages/sec, Cache faults/sec

Troughs in:
Processor info -- % User time, Avg Idle time, % C1 time, %Processor time, C1 transitions/sec, % Processor Utility, % Priority time

Sharp decrease in:
Processor info -- % Processor performance,

Sharp increase in
Memory -- Cache Bytes Peak, System cache Resident Bytes

All coinciding with the start of the stutter. There doesn't seem to be an apparent trigger and after say 20 mins the games can be played at 'usual' fps again, though merely exiting and starting up again does not fix the issue.

Specs--
SVF15N1C5E

i74500U
GT735M
16 GB 1600 MT/s DDR3L-SDRAM
512GB SSD (with only 30 gigs free... problem there?)

Anyway any help very much appreciated.

Oh GPU drivers are latest.

Thanks,

Zeal
 
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Z

Zeal01

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Dec 24, 2009
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Not sure what you mean there Jordan, the percentages are supposed to be there.
Anyway, ran HW monitor and when performance suddenly got choppy in Dragon Age I alt tabbed and checked temps. They reported max temp for CPU at 70 degrees, 30 for SSD and 70 for 'THRM Sony VAIO Corporation' which I assume is just an internal sensor?
 
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Zeal01

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Dec 24, 2009
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Ok I was looking around and found this quote from THE_EGG on the tchpowerup forum--

"I bought a VAIO Fit|Flip 15 tablet/laptop with an i7-4500U and 735M with optimus and when it works it's great. I can play med-high @ 1600X900 BFBC2 and BF4 low-med @ 1600X900 with some tasty frames (I prefer lower quality to achieve 40-70FPS mostly). HOWEVER I discovered that after 10-20 min of gameplay the 735M would throttle a lot and make the game unplayable at any setting. The 735M was still activated however I discovered that the 'utilization limit' flag activated causing it to slow down. Still have not been able to find a fix for it. And it was not overheating or anything either.

This being said, I can play BFBC2 on low-med @ 1600X900 30-50FPS on a i7-3537U with intel HD4000 on an Asus TAICHI31. This plays games better than when the Sony throttles."

And a brief explanation of utilisation flags in anandtech gtx 780 review (reason flags).

So where to go from here? How do I disable this flag?
 
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jacksripper

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Mar 10, 2014
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Hi, I have the same problem with the Vaio. Playing Dota2 with 58-60fps and in the midgame I am getting fps drops down to 10fps. The game is still running with the Nvidia card (GT735M 2GB) and the temperatures are constant (using a Cooler Master U stand).
Anyone found a solution yet?
 
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darkknight84

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Aug 9, 2009
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Hello, did you get any solution for this, I have exactly the same problem with the same laptop on dota 2 and LOL
 
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jacksripper

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Mar 10, 2014
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@darknight84:

Yes, I acutally found a solution that works for me. For Dota 2 I could set some launch options and could so double (!) the fps (with the latest Nvidia driver).

These are the launch options that I am using:

##########

-high -threads 4 -novid -nod3d9ex -dxlevel81 -dota_embers 0 -engine_no_focus_sleep 0

##########

Any other "Advanced Video Options" are set to the lowest (!) possible, except "Render Quality" is set to 100% and Vsync is on, cause it really smoothened the fps in this case.
Resolution is set to 1920x1080 (use Fullscreen!).

Getting constant 60 fps.

The laptop power options is set to high performance. And I flashed the new BIOS update Sony is providing.
Additionally I am using a "Cooler Master NOTEPAL U STAND" to cool the laptops back, what really prevents the system from throttling cause of to much heat. Btw. the U Stand from Cooler Master is a really nice gadget cause your monitor is higher on the desk, con is that you have to use an additional keyboard.

I hope this could help you in any way.
Greetz,
jacksripper
 
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darkknight84

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Aug 9, 2009
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18,510
Hello,
Thanks for your recommendations, I actually bought a laptop fan as you recommended and things are much better now, can get around 30 mins of stable play, with a drop for around a min or two and back good.
The laptop is not with me right now, thats my small brother's update, anyway once I have a hands on it, I will try your other recommendations and inform you how it goes.
Thanks again



 
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jacksripper

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Mar 10, 2014
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Hi,

I could observe the same thing during midgame: The CPU / GPU (?) starts throttling after 25-35 mins and the fps are dropping for a short period of time. Even when using the laptop fan!

But adding the launch options (see above) and adjusting the video options (+ advanced video options) solved the problem completely! NO more fps drops during midgame or long gaming sessions!

And I am getting constant 60 fps with the native 1920x1080 resolution (use Fullscreen!!).

Do not forget to get the latest Nvidia driver (!) and flash the new BIOS update that Sony is providing. The BIOS update made the pc a little bit more stable at high workload, unfortunately Sony is not providing a changelog… so this observation is just subjective! :/

But anyway the setup suggested above is performing very well for me.

I made some screenshots so you could easily double-check the settings and options I made.

I hope these shots could help you a little!

[CAVE: This information is supplied without liability!]


Launchoptions:
[ -high -threads 4 -novid -nod3d9ex -dxlevel81 -dota_embers 0 -engine_no_focus_sleep 0 ]

f97yp46z.jpg



Video settings:

p4ioz865.jpg



Advanced video options:

gkhere3w.jpg



Ingame fps:

fffi4fci.jpg



Greetz,
jacksripper

PS: It would be really nice to get a feedback/ comment/ critic or suggestion from you. ;) Thx!





 
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BigBear24

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Jul 31, 2014
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has anyone found a fix for gaming in general, not only DOTA? CPU\GPU still throttles in bioshock for example. Using Throttlestop with BD PROCHOT disabled helps with the cpu throttling but gpu still sucks after 12 minutes of temps more than 70C... the cooling stand does not cool down the GPu more than 3-4 degrees C...
 
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Jerbjer

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Aug 19, 2014
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4,510
I think it's gonna be all Sony Vaio flips that have this problem. I've been trying to play titan fall on mine and am lucky if I get a good 10 minutes if fps above 30. After that it's between 5 and 15. So far, I have found no site that has an answer to fix this. All games that require more than a rock and a stick to play seem to make the computer throttle like crazy. My suggestion is that we get everyone to complain go Sony or something in that matter so they have a recall and somehow fix this problem. I don't see any other way of fixing it just by changing settings or updating software... I hope Sony does something about it soon. I wanna play titanfall :p
 
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ihateregisteringforreplies

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Jan 28, 2015
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4,510
Hi, been searching around for a while since i have the same problems with my Vaio pro 13. I'll try the Launch settings for Dota 2 and report back.
My best guess would be that it's all heat related. I visited a friend for some serious Dota binge sessions and the solution we found was to simply rest the Laptop on a freezer ice brick, wrapped in a thin towel. Obviously not a permanent fix, but I was able to play without fps drop.
I played with a external Keyboard and Display
 
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