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Author Topic: frame rate slowdown  (Read 745 times)

Offline Bart

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frame rate slowdown
« on: January 30, 2009, 06:12:14 PM »
Hi, let me give you my scenario and see if anyone has any ideas.

computer infected last week, reformatted and reloaded Aces High
Before crash, frame rate averaged 100-200 fps
After reformatting, added two gigs ram for total of 4gigs   (Windows XP)

Problem is now that
1. Computer recognizes 3.5 gigs, but Air Warriors recognizes 2
2. Maximum frame rate now is 75, and very up and down on fps
3. Game used to use 600-800 of system memory but uses 0 now

On screen  reads

VM Internal   DM Snap
Video memory  527.4  used 56.6  Cnt=0
System memory 2048.0M  used 0.0M   Tex= 0.0M

Any ideas or suggestions,  Game not near as quick now
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Offline 68valu

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Re: frame rate slowdown
« Reply #1 on: January 30, 2009, 06:25:07 PM »
Quote from: Bart on January 30, 2009, 06:12:14 PM
Hi, let me give you my scenario and see if anyone has any ideas.

computer infected last week, reformatted and reloaded Aces High
Before crash, frame rate averaged 100-200 fps
After reformatting, added two gigs ram for total of 4gigs   (Windows XP)

Problem is now that
1. Computer recognizes 3.5 gigs, but Air Warriors recognizes 2
2. Maximum frame rate now is 75, and very up and down on fps
3. Game used to use 600-800 of system memory but uses 0 now

On screen  reads

VM Internal   DM Snap
Video memory  527.4  used 56.6  Cnt=0
System memory 2048.0M  used 0.0M   Tex= 0.0M

Any ideas or suggestions,  Game not near as quick now

dont have an answer for you but one comment:
windows XP only recognizes 2gb and that is what you see as system memory.you are using the portion of system memory that windows does not display. I have a similar system and video memory and get the same readings.
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Offline Denholm

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Re: frame rate slowdown
« Reply #2 on: January 30, 2009, 06:39:17 PM »
No, Windows XP can use all 4GB however it reserves 500MB of that for itself. Therefore only 3.5GB are visible from the Task Manager. As for the game only seeing 2GB, that seems to be normal and is probably unrelated to your issue.

What type of RAM are you using? The way I understand it is that Dual-Channel can slow you down if you're using two DDRs and two SDRs.
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Offline Bart

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Re: frame rate slowdown
« Reply #3 on: January 30, 2009, 06:46:45 PM »
hello, and thanks for answering, I have 4 gigs ddr exactly same configuration. Any idea why my frame rate is suffering so bad?
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Offline Denholm

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Re: frame rate slowdown
« Reply #4 on: January 30, 2009, 06:54:17 PM »
Did you recently install anything new at around the same time this issue started? Have you also tried disabling all security software while flying in-game?
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Offline Chalenge

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Re: frame rate slowdown
« Reply #5 on: January 30, 2009, 07:19:18 PM »
Your frame rate is not suffering. Most likely your monitor has a maximum refresh rate of 75 and you have vsync on. You want vsync on to avoid tearing/shearing of the video image and 'rubber bullet syndrome.'

It is common and not a problem when AH Ctrl-I indicates memory below your actual or video memory use low either.
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Offline 1701E

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Re: frame rate slowdown
« Reply #6 on: January 30, 2009, 07:50:15 PM »
1) Always leave V-sync on as mentioned
2) Windows applications can only acquire 2GB of RAM for itself.  Meaning AH will only be able to use 2 of the 4GB of RAM, just like any application.
3) I think, not sure, Skuzzy has said the Cntrl+I is not fully dependable.

One thing to check after having reformatted is make sure drivers are up-to-date.
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Offline drdeathx

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Re: frame rate slowdown
« Reply #7 on: January 30, 2009, 08:41:26 PM »
Quote from: Bart on January 30, 2009, 06:12:14 PM
Hi, let me give you my scenario and see if anyone has any ideas.

computer infected last week, reformatted and reloaded Aces High
Before crash, frame rate averaged 100-200 fps
After reformatting, added two gigs ram for total of 4gigs   (Windows XP)

Problem is now that
1. Computer recognizes 3.5 gigs, but Air Warriors recognizes 2
2. Maximum frame rate now is 75, and very up and down on fps
3. Game used to use 600-800 of system memory but uses 0 now

On screen  reads

VM Internal   DM Snap
Video memory  527.4  used 56.6  Cnt=0
System memory 2048.0M  used 0.0M   Tex= 0.0M

Any ideas or suggestions,  Game not near as quick now

What kind of Ram did you add? Does it match existing Ram?
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Offline drdeathx

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Re: frame rate slowdown
« Reply #8 on: January 30, 2009, 08:42:45 PM »
Quote from: 1701E on January 30, 2009, 07:50:15 PM
1) Always leave V-sync on as mentioned
2) Windows applications can only acquire 2GB of RAM for itself.  Meaning AH will only be able to use 2 of the 4GB of RAM, just like any application.
3) I think, not sure, Skuzzy has said the Cntrl+I is not fully dependable.

One thing to check after having reformatted is make sure drivers are up-to-date.


I don't think  #1 has anything to do with it but like 170 says you do need to leave vsync on. I am sure you had it off and its not a good idea. You can have "screen tearing" with vsync off.
« Last Edit: January 30, 2009, 11:39:08 PM by drdeathx »
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Offline 1701E

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Re: frame rate slowdown
« Reply #9 on: January 30, 2009, 08:49:22 PM »
Quote from: drdeathx on January 30, 2009, 08:42:45 PM

I don't think  #1 has anything to do with it.

Well he mentioned his FR went from 100-200 and dropped to 75, implying he likely had V-sync off at first, and now it appears on.  Would look like a very large FR hit if V-sync turned on without the person knowing.

Was just emphasizing Chalenges' statement of keeping V-sync on to eliminate screen-tear. :)
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Offline drdeathx

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Re: frame rate slowdown
« Reply #10 on: January 30, 2009, 08:52:02 PM »
Quote from: 1701E on January 30, 2009, 08:49:22 PM
Well he mentioned his FR went from 100-200 and dropped to 75, implying he likely had V-sync off at first, and now it appears on.  Would look like a very large FR hit if V-sync turned on without the person knowing.

Was just emphasizing Chalenges' statement of keeping V-sync on to eliminate screen-tear. :)

Sry my bad I thought you were talkin about the ram the vsync off does have FPS over 75 my apologies.
« Last Edit: January 30, 2009, 11:38:52 PM by drdeathx »
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Offline 1701E

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Re: frame rate slowdown
« Reply #11 on: January 30, 2009, 11:44:02 PM »
Quote from: drdeathx on January 30, 2009, 08:52:02 PM
Sry my bad I thought you were talkin about the ram the vsync off does have FPS over 75 my apologies.

Yea I really could have worded my list better; switching from GPU to RAM like that can be confusing. :)
Just hope he gets it fixed, assuming there is any really bad trouble.
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