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post #31 of 60
Not going to touch the issue of trolling, but here's what microstuttering is:

looking at the ground in BC2, waking. Every 120th frame looks like it's dropped. It's a barely perceivable issue at that level, but can get much worse depending on the frequency. It can make your game at 60fps look like it's running at 20fps.

Here's what's not microstuttering. I'm in BC2, looking at something. I turn around really quick, and during the turn my fps plummets. Same issue can be applied to objects loading on the screen. Not microstuttering.

Seems simple enough?
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post #32 of 60
Thread Starter 
Quote:
Originally Posted by pursuinginsanity View Post
I suggest you treat others with the respect they deserve.

I explained why I disagree with the explanation on wiki. If you'd paid attention, you'd also see I'm disagreeing with Brett.
Exactly my point.

People on this forum have no clue what micro stutter is. Bretty is correct about 25% of his posts, but he repeats himself like a parrot because he lacks knowledge.

i find it hard to respect anyone on this forum when they post uneducated answers without even reading previous posts.

Quote:
Originally Posted by un1b4ll View Post
Not going to touch the issue of trolling, but here's what microstuttering is:

looking at the ground in BC2, waking. Every 120th frame looks like it's dropped. It's a barely perceivable issue at that level, but can get much worse depending on the frequency. It can make your game at 60fps look like it's running at 20fps.

Here's what's not microstuttering. I'm in BC2, looking at something. I turn around really quick, and during the turn my fps plummets. Same issue can be applied to objects loading on the screen. Not microstuttering.

Seems simple enough?


my fps stay exactly the same.
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post #33 of 60
Quote:
Originally Posted by un1b4ll View Post
Not going to touch the issue of trolling, but here's what microstuttering is:

looking at the ground in BC2, waking. Every 120th frame looks like it's dropped. It's a barely perceivable issue at that level, but can get much worse depending on the frequency. It can make your game at 60fps look like it's running at 20fps.

Here's what's not microstuttering. I'm in BC2, looking at something. I turn around really quick, and during the turn my fps plummets. Same issue can be applied to objects loading on the screen. Not microstuttering.

Seems simple enough?
Quote:
Originally Posted by FnkDctr View Post
Exactly my point.

People on this forum have no clue what micro stutter is. Bretty is correct about 25% of his posts, but he repeats himself like a parrot because he lacks knowledge.

i find it hard to respect anyone on this forum when they post uneducated answers without even reading previous posts.

my fps stay exactly the same.
Read my bolding please.
post #34 of 60
Ive been running an sli rig for quite some time and hardly ever get micro stutter. Sometimes while playing gta iv i will get mild micro stutter but its very rare.

bottom line, with newer cards, the performance gains from sli out weighs the ocassional-but-rare micro stutter. I really think sli has come a long way. Crossfire too for that matter.
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post #35 of 60
Thread Starter 
Quote:
Originally Posted by Eagle1337 View Post
read my bolding.
Yes sir, i agree with you. +1 rep for knowing micro stutter happens at even higher fps.

I was just confirming my issue happens at all speeds and is actual micro stutter and NOT lack of performance like many have flamed my hardware.

I remove 1 card, same graphics settings and its smooth as silk. SLI stutters.

I would notice the slow down in fps with the single card, but its more like a slow motion movie than an actual POP or stutter in graphics movement. It remains smooth at all speeds, unlike my SLI stutter.

I recently purchased a gtx560ti and everything runs perfect.


Quote:
Originally Posted by AliceInChains View Post
Ive been running an sli rig for quite some time and hardly ever get micro stutter. Sometimes while playing gta iv i will get mild micro stutter but its very rare.

bottom line, with newer cards, the performance gains from sli out weighs the ocassional-but-rare micro stutter. I really think sli has come a long way. Crossfire too for that matter.

To be honest, GTA is very cpu heavy, it might be micro stutter, but ehhh, hard to determine on a game with such high requirements.

I didnt have any micro stutter on my socket 939 rig, just when I switched out my mobo, cpu and ram for a 1366 setup. Then it became terriiible. I didnt even know what micro stutter was until 2 days of google. "choppy sli" "sli stutter" then I came across... micro stutter.

Take a lesser requirement game, run SLI, then try one card.

My system was much smoother in Mafia 2 running 1 8800gt and the second dedicated for physx. It was sooo smoother than SLI.. I even tried 2x8800gt in sli and a dedicated 8600gt for physx, still choppy.

I now run my gtx560ti and 8800gt dedicated physx and get 40+ fps max settings and physx on mafia 2 benchmark. By the way, its smooth as silk.

You may not notice SLI stutter til you go back to a single card. Your eyes will actually adapt to it. Wait til you go back to a high end single gpu and see.
Edited by FnkDctr - 4/11/11 at 5:48pm
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post #36 of 60
Quote:
Originally Posted by pursuinginsanity View Post
I don't buy this explanation "It manifests as irregular delays between frames rendered by the multiple GPUs" as even with a single GPU, there will be irregular 'delays' from one frame to the next.

Edit: example; at 30 FPS, the card will not draw another frame at exactly 33.3ms. It may take 20ms for one frame, 50ms for the next. This is not different from multiple cards.

FnkDctr: Disrepecting other people will win you no friends, and will garner no help.
The concept of micro stutter revolves only around the synchronized timing of multi GPU platforms.

Although what might appear as the same issue in a single GPU platform is not micro stuttering. One GPU does not share a frame rendering.

On a specifically timed basis of two (or more) separately timed GPU devices, they draw a part of the drawing to complete each other in the drawing of each screen refresh rendering as a multi GPU platform. Where as a single GPU performs the whole rendering solely with out dependency on another GPU device.
    
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post #37 of 60
Quote:
Originally Posted by AliceInChains View Post
Ive been running an sli rig for quite some time and hardly ever get micro stutter. Sometimes while playing gta iv i will get mild micro stutter but its very rare.

bottom line, with newer cards, the performance gains from sli out weighs the ocassional-but-rare micro stutter. I really think sli has come a long way. Crossfire too for that matter.
Curious...
What's your average FPS and your monitors refresh rate?
    
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post #38 of 60
In a game, with physx enabled, the frame rate is 60 (vsync), but I get stuttering every 3 or so seconds.

What category of stutter is this?
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post #39 of 60
Quote:
Originally Posted by ____ View Post
In a game, with physx enabled, the frame rate is 60 (vsync), but I get stuttering every 3 or so seconds.

What category of stutter is this?
There is 'Stuttering' with regards to a single GPU.
There is 'Micro Stuttering' with regards to multi GPU platforms that share the refreshed rendering every single frame and are out of sync.

I may stand corrected....
A GPU supported by Physix and stuttering per say... sorry, not sure %100 but it would seem to be simple stuttering because (and to my best understanding) the Physix does NOT share or split the duties of the rendering like a multi GPU platform but enhances the GPU's abilities.
    
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post #40 of 60
Thread Starter 
Quote:
Originally Posted by The Duke View Post
The concept of micro stutter revolves only around the synchronized timing of multi GPU platforms.

Although what might appear as the same issue in a single GPU platform is not micro stuttering. One GPU does not share a frame rendering.

On a specifically timed basis of two (or more) separately timed GPU devices, they draw a part of the drawing to complete each other in the drawing of each screen refresh rendering as a multi GPU platform. Where as a single GPU performs the whole rendering solely with out dependency on another GPU device.
Yes, I know this. Read my thread about forcing SLI with no SLI profile or supported drivers.

I use NVCP to use alternate frame rendering and would benchmark and check speedfan til I seen both temps rise. It's a way to get SLI out of non SLI games/driver supported games.





Quote:
Originally Posted by ____ View Post
In a game, with physx enabled, the frame rate is 60 (vsync), but I get stuttering every 3 or so seconds.

What category of stutter is this?
If it is every 3 seconds, that sounds like a memory buffer is full or your cpu/gpu i getting warm/hot and skippin clock cycles to remain cool.

First, does this happen from the very start or after 15-30 minutes? It usually takes time to overheat, which wouldnt be from the exact start of the game.

Try to use msconfig to disable startups to see if anti virus is doing an passive file scan. Also some updaters run in the background. Goto msconfig, write down everything that is checked, and disable all, goto services tab, check the box that says hide all microsoft services, write down the checked, then disable all, reboot.

If you see drivers under msconfig, like nv.dll of some type, id leave them turned on. usually those are just for control panel though.

You can also check your pagefile size. I usually suggest min-max should be your ram-2xram. so 2gb of ram = 2gb-4gb pagefile. and so on.

you can also try to defragment your hard drive in case its having a hard time loaded the data off of it.

monitor your temps and try again. Pay careful attention to your temps if they peak at exact numbers. like 60c, or 70c. that usually means throttling is coming into play which could be your issue

start a thread, ill help
Edited by FnkDctr - 4/11/11 at 5:59pm
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