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Black Ops Lag and Stutter
Topic Started: Nov 11 2010, 01:35 PM (880 Views)
{KN}You're Damn Skippy
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KN Nerd
This is a possible temporary fix for some of you that are having issues with Black Ops.

There are some configuration settings in the game that can be changed that may or may not help you.



WARNING: -- You do this at your own risk. I make no warranties, but do tell you that it helped me. This is not my work, program, or data. I am simply placing it all here so that you may benefit from a little research I've already done. The information I have gathered is just that information. I do not guarantee it will work on your system.



I will be putting this in our server as a rotating message. Please direct clients here rather than trying to tell players commands in game.

I actually used the file linked in the below post. It is spyware/virus free and makes it simple enough for anyone to do this without having to modify the files directly.

Quote:
 
For those of you that are having issues with lag, I have some information that I hope will help you!

First of all, I made a small tool to help you out. It's simply a config editor. You can make changes to the config yourself, or you can use this tool to do it for you.

You can download the Config Editor tool here.
<-- Updated 11/11/10

Anyway, some settings that may be of importance are:

r_multiGpu

This should only be enabled if you have multiple graphics cards or a graphics card with multiple GPUs. If you don't have multiple GPUs, don't know what this means, or are having issues with your MultiGPU solution, please set this to "0".

r_multithreaded_device

This setting should be enabled for EVERYBODY as the minimum requirements for Black Ops clearly states that you need a multithreaded (multicore) CPU to run the game. However, some people have noticed that by setting this to "0" some of the skipping lag is relieved. Test this out only as a last resort.

r_vsync

VSync prevents screen tearing. If you don't know what that is, just set it to "0" because you probably don't care anyway. Otherwise, VSync usually doesn't have any negative performance issues with today's graphics cards. However, there may be a few performance issues linked to VSync with the current release of Black Ops. Try setting this to "0" for compatibility.

r_blur_allowed

This setting enables Blur shader effects. If you have a strong shader card, this setting may be negligible. Otherwise, just go ahead and set this to "0".

r_distortion

This setting enables Distortion shader effects. If you have a strong shader card, this setting may be negligible. Otherwise, just go ahead and set this to "0".

r_dof_enable

This setting enables Depth of Field shader effects. If you have a strong shader card, this setting may be negligible. Otherwise, just go ahead and set this to "0".

r_glow_allowed

This setting enables Glow (HDR?) shader effects. Normally, this should have a negligible performance impact. HOWEVER, this setting seems to be buggy! Performance improved DRAMATICALLY when I set this option to "0".

rate

Rate is the rate at which the client sends packets to the server. If you set this too low, below 10000 or so, you run the risk of sending insufficient data to the server and lagging out. Set this too high, above 50000 or so, and you run the risk of flooding your connection to the server. This setting should be adjusted according to your connection speed and may take some fine tuning.

cl_maxpackets

This setting controls how many packets the client will hold to ensure packet transmission. If you set this setting to low, below 20 or so, then you run the risk of being disconnected prematurely. If you set this setting too high, above 150 or so, then you run the risk of continually resending redundant data and lowering your ping (or worse, getting choked). This setting is very hard to tune because it depends on so many factors beyond your own connection. Most people have found setting this to 100 is a good compromise for most servers.

SNAPS - This is possibly the most important setting for getting a good connection.
Snaps setting determines how many updates you recieve from the server. 20 to 30 for
56K connects in quake series 40 for high speed internet im sure the same for cod. (30 is fine).

UPDATE:

There have been a number of proposed fixes that may or may not help the current multiplayer situation.

This is simply an update to address those proposals. I'll list them according to the problems they are intended to help.

CPU Hangs / Stuttering

The first idea is that this may be linked to sound related issues.

As bennyjreg has pointed out in this thread, changing the sound device that the game is running may alleviate load from the CPU by using your computers audio hardware to render sound instead of the CPU. For some people this fix has completely solved their lag/stuttering issues. I'm assuming those are the people that have hardware audio rendering capabilities.

The next proposal is by rubeybad from page 2 in this thread. His proposal is to alter the priorities of Steam and Black Ops as follows:

Quote:
 
Originally Posted by rubeybad View Post
1. Start Black Ops Multiplayer,
2. Оpen your Ctrl+Alt+Delete and get in Task Manager! (Ctrl+Shift+Esc as shortcut)
3. Go to processes tab, then select Steam.exe
4. Go down to Set priority and set to Low.
5. You can do the same to BlackOpsMP.exe but rather set it to High – that bit is up to you!
6. Switch back to game…
7. Profit!


Edited by {KN}You're Damn Skippy, Nov 11 2010, 01:37 PM.
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{KN}You're Damn Skippy
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KN Nerd
I guess I should include some help on how to use the tool.

1. Close Black Ops if it is open.
2. Open the program.
3. Click "load config" button
4. Navigate to where the config file is stored. (normally) C:/program files/\Steam\steamapps\common\call of duty black ops\players
5. Open the "config_mp" file
6. Uncheck items on the left side of the screen to disable them to help stop the lag/stutter.
7. Click "save config" and then close the tool.
8. Restart the game and test!
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{KN}NoobieDoobieDoo
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Commander
THis recent post from Gameservers:

A global change has been issued to our Black Ops servers modifying the maxrate parameter. This will help smooth out performance issues some have referenced. Please restart your server from within your account page to take advantage of the changes.

On the forums page:

11/11/2010

Updates for 11/11/2010

The original thread has been unstickied. All Black Ops status updates will be on this thread instead.

Updates on the listed known issues should be coming shortly.

PC Client side patch has been released - details on the patch have not been announced yet but it does look to be available from Steam as an automatic upgrade!


New RCON Tool is now also available from your Steam Tools section!

11/10/2010

Updates for 11/10/2010

Browser issues: The latest update is that there is progress on the in-game browser in displaying all of the servers. ETA is still unknown but this work is at the highest severity levels to have completed.

In Game Lag: A rollout of an increase to the sv_maxRate from 5000 to 25000 will be issued today. Instructions on how to do this on your server will come once it has been rolled out. Keep in mind that this parameter tune will help with some aspects of lag that has been seen.

11/10/2010: 6:35pm EST - The changes to all subscriptions have been done to enable sv_maxRate of 25000

In order to activate this change, simply restart your server at your convenience. On restart, the server will come up with the new sv_maxRate Setting


I have done the restart....
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{KN}You're Damn Skippy
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KN Nerd
From Treyarch...

JD 2020
 
We are listening to you and we’ve been busy working on updates based on feedback from the community. We have already deployed a number of updates, and there will be many more to come. Stay tuned right here for all the latest info.

LIVE FIXES

11/10

* GameServers.com has bumped sv_maxrate to 25000 across all servers to reduce lag.
* GameServers.com continues to improve official server distribution in various worldwide regions.

11/11

* Friends fix for join in progress and Friends tab in server browser.
* Performance improvement for dual and quad core.
* Improved connectivity with Black Ops Rcon tool.


IN PROGRESS

* GPU hitching on certain graphics cards.
* Incomplete server browser results.
* Improvements to Quickmatch joins (results with better ping and reduced lag).
* Zombies "The game session is no longer available" error.
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{KN}TheEnemy
Commander
One other problem found in the servers is that you cannot spectate before you get kicked for inactivity...what if you need to spectate a player...
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{KN}You're Damn Skippy
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KN Nerd
Some stuff from Treyarch's PCdev on twitter...

Quote:
 
* we have a very organized effort to gather info from the cod pc forums. other places too, but there is a sure bet.

* we've had some backend issues that may have caused data validation failures in some cases. very sorry about that. we are fixing.

* we are aware of long shader compile times on nvidia 4 series cards causing hitching. working with nvidia on a fix.

* TBH I'm not sure yet what is causing killcam choppiness, but we see it too. Will fix.

* /connect is coming back. maybe not next patch but I promise it is coming back.

* we will improve rcon tool based on community feedback

* watch for jc_2020's sticky on posting a minidump coming soon. This will help us fix.

* yes all pc cods server browsers have suffered from consumer routers overflowing their routing tables. few could show 10K+ servers

* We have some nice optimizations for better FPS going into QA tomorrow
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{KN}You're Damn Skippy
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KN Nerd
Status update from Gameservers.

11/15/2010

Updates for 11/15/2010

Latest status as of 1:47 PM EST

Browser list - daemonware is still working on a permanent fix to the limited browser listings. This is still work in progress on their side. We know this is a very hot topic and they are very well aware of the urgency of this issue.

Frankfurt network issues - we have seen a part of our network segment out in Frankfurt that is receiving network errors. To correct this, we have a network team on site today to correct the issue

Reservedslots.txt - editing of this file is currently disabled. A security issue was discovered that utilized this file. Treyarch is aware of the situation and is working on a fix. We hope to enable access to this files and will update this post as soon as we get approvals

Ban.txt - access to this file has been reenabled via the control panel.
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{KN}You're Damn Skippy
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KN Nerd
Updates for 11/16/2010

Server side security patch is being pushed out to all servers. Keep in mind, servers will be restarted during this process in order to activate the patch.
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