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What's my bottle neck?

slightlyhuman

slightlyhuman

Lifer
3rd Generation Intel Core i7-3630QM Processor( 2.40GHz 1600MHz 6MB)
NVIDIA GeForce GT650M
8.0GB PC3-12800 DDR3 SDRAM 1600 MHz
Windows 8 64
7200RPM 750gb HD



Hey guys, just curious what my bottleneck is on dayz? I know it has shit for optimization but I usually run the game on low as possible so I can see people without the extra foilage, etc.

However, I still get 20fps sometimes. I'm trying to get as high as possible with this laptop. I have the option to do SLI and will eventually but was just curious what is holding me back thus far in arma2/dayZ?

Also, the turbo boost.. I'm a little confused how it works. Will it automatically run at the max speed when I load games like dayZ or is there a chance it might not push all of it's potential(ie. using throttlestop)?

Just wanting to get the most out of my little Lenevo y400.
 
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That's a very good gaming notebook. Arma is a heavy CPU load. I wonder if you're experiencing thermal throttling on your quad. What are your cpu temps while gaming?

Turbo is automatic, but I can almost guarantee you won't hit max turbo with a game like that. You're probably just a couple of ticks above nominal, assuming it's NOT throttling.
 
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Termie said:
That's a very good gaming notebook. Arma is a heavy CPU load. I wonder if you're experiencing thermal throttling on your quad. What are your cpu temps while gaming?

Turbo is automatic, but I can almost guarantee you won't hit max turbo with a game like that. You're probably just a couple of ticks above nominal, assuming it's NOT throttling.
Click to expand...


i'll check and repost back next week=/ leaving for vacation in an hour or two.

also it's 650m, i'll correct it
 
A recent (really annoying) trend is for notebook makers to intentionally underside their machine's cooling system in order to fit into a certain set of physical dimensions. Their reasoning being that most people who buy powerful CPUs never push them hard for an extended length of time.

I'd suggest whipping out HWMonitor and watching your CPU temps while gaming. See if there is any correlation between high temperatures and periods of low performance.
 
That's a tremendous cpu bottleneck, and while I'm not sure, I'd guess that 94C is enough to throttle your cpu. I'm not familiar with the app you're using, though. Does it prevent throttling?

I'd be interested in seeing the cpu use graph in Windows. My hunch is that your game is not effectively using the cores in the cpu.
 
that SS was taken 30 seconds after exiting dayZ.
if you recommend a program for me to show you any kind of data that might answer any questions i'd be happy too.

thanks for the reply :beer;
 
Sometimes it's possible to buy third party coolers for notebooks, but dis/reassembling the whole thing is such pain in the ass it's borderline not worth it (if you're an average user). 94°C is horribly too much no matter how you look at it, though.

How old is the notebook? Perhaps it's just too much dust accumulated inside.
 
Arma 3 has its own problems and it might not be your machine at all.

One of the odd things we have with Arma 3 is that the server frame rate can impact on the client quite dramatically. If the server frame rate drops below a certain threshold (we believe its around 35) then the client FPS will start to drop. By the time the server FPS is around 20 the clients are also now all also stuck at 20 fps. It comes in spits and spurts as the AI wakes up or sometimes its constant if the clients have exceeded what the CPU can cope with.

My community speaks to many other server admins for the game and we have found a lot of them are running many instances of the game on a single box. They are typically setting each game to around a CPU each, but our own performance testing shows that the game will fully use 2 cores at all times when busy. Looking more in depth the average might be 2 cores but in practice the game will actually use at least 6 cores. Thus a strategy of taking a 4C8T server and running 4 servers on it is a recipe for poor server performance during peak times, not least because the Arma server has been shown to negatively scale with hyperthreading.

Further to that we have found raw clock speed on the CPU is critical to the server performance. Once you have the two cores you need as much clock speed as you can muster. Typically servers run lots of lower clock speed CPUs and you'll find most hosting providers don't do much better than 2.0 Ghz Intel SB class CPUs. This is only enough to run a game for 25 people and around 50 AI. Anything more than that and it will occasionally crash and have unacceptably low server FPS. Visualization seems to take a high toll on performance as well.

Its highly likely the servers you have played on are being run by ignorant server admins who don't understand the performance characteristics of the server software. They are maxing out their hardware investment not maxing out the actual game experience and a lot of people are reporting the same problem. The game is quite CPU limited on the client side as well as on the server side and its one of the few games that likes the 6 core CPUs enough to make it worth them worth it. Neitherless the core of the problem seems to be server side in our experience.

Once way you can test this is to play through the single player experience and measure your FPS there. You can also try the Tier1Ops server, we dedicate a 3570 to our public server and only run missions that we can ensure maintain 50 fps on the server side (the maximum). Thus if you get FPS issues there I can confidently say its your rig and not our server.
 
thanks guys. it's arma2 btw. also the laptop is 2 weeks old, not one bit of dust anywhere around it.

got it from scratch and dent lenovo outlet.
 
slightlyhuman said:
also, not too informed on "throttling", i get the meaning but as far as finding out, or beyond that, i'm lost.
Click to expand...

So, I don't think there's anything wrong with your PC. But it could still be "throttling" - which means that the CPU is hitting a thermal threshold and automatically downclocking and undervolting to avoid damage.

If you can find an application that will allow you to manually control the fans on the laptop, that would be ideal. The GT650M may also have its own fan - use MSI Afterburner to see if you can access manual fan controls.
 
i'm going to put a small fan beside the laptop(it's a desktop pretty much) blowing underneath it to have constant moving air and see how my temps are.
 
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