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AMD Crimson Drivers
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Kronossan
Bellum Esca
#21 - 2016-02-21 11:02:58 UTC  |  Edited by: Kronossan
l0rd carlos wrote:
Hi guys.

I have this issues where the fps dropping to 30 in some cases, even though the fps without interval/v-sync in the same situation is beyond 100.

Like Asteroid godrays, thera sun or new truster effects zoomed in. In those situations my fps drops from 60 to 30 with vsync on, even through it's way above 60 with vsync off and stable.

Is this the same bug you guys are having?

AMD Fury here.


That is the exact issue we've been experiencing for months. It's really weird and frustrating that it still hasn't been fixed or even confirmed to exist publically by CCP.
Daemun Khanid
Corbeau de sang
#22 - 2016-02-21 18:54:47 UTC  |  Edited by: Daemun Khanid
Interval one isn't exactly the same as vsync. Interval one caps you at a frame rate that approximates your monitors refresh rate. Any more frames than that are wasted compute cycles because you simply cant see any frame rate that is taking place beyond your refresh rate and in fact it can even cause problems with screen tearing.

Vsync similarly caps your frame rate at your refresh rate but will also attempt to match your frame rate to divisions of the refresh rate to further prevent tearing. So if you're at 60fps and you get a sudden increase in load and drop to 50, your pc says 50 is no good the frames arent synching with the monitor refresh so I'm gonna drop to 30 so that the frames stay in sync.

Now your card may be fully capable of keeping the frame rate over 100 but any change in load can still cause the frame rate to fluctuate. If its at 100 fps it might only fluctuate to 90 and if its at 60 it might drop to 55. So if you are interval one and capping at 60 and you also have vsyc turned on, the frame dips a little then the vsyc over compensates and intentionally pushes you even further down.

I had a ton of trouble with this running elite across 3 screens. In pvp arena it was very jarring the way the fps would drop to 30 or less with vsync on. Simply turning it off kept the entire experience smooth.

So for starters make sure you have vsync set to always off in your graphics card settings. You will still experience dips no matter what interval youre using but you dont want vsync making things worse.

Vsync and why it's bad.

Daemun of Khanid
Daemun Khanid
Corbeau de sang
#23 - 2016-02-21 19:09:07 UTC
Kronossan wrote:
l0rd carlos wrote:
Hi guys.

I have this issues where the fps dropping to 30 in some cases, even though the fps without interval/v-sync in the same situation is beyond 100.

Like Asteroid godrays, thera sun or new truster effects zoomed in. In those situations my fps drops from 60 to 30 with vsync on, even through it's way above 60 with vsync off and stable.

Is this the same bug you guys are having?

AMD Fury here.


That is the exact issue we've been experiencing for months. It's really weird and frustrating that it still hasn't been fixed or even confirmed to exist publically by CCP.


As for the zooming in on the new thruster effects and such, I've found that is related to AA settings. (at least for me) With AA low or off I can look at whatever I want as close as I want, but with AA set to med or above any zoom that brings me in close to those lighting effects causes rather large frame rate hits. Might be something that CCP can optimize in the future.

Daemun of Khanid
Kronossan
Bellum Esca
#24 - 2016-02-22 10:53:25 UTC
I honestly do appreciate your detailed answers and explanation of how Vsync and framerates work, however, I do not believe the interval one setting itself to be the cause of the issues we've been experiencing.

My framerate seems to fluctuate heavily between 45 and 50 in space and 60 in stations with my client's Present Interval setting set to Interval One. With the same setting set to Interval Immediate, my framerate never dips below 100.

Also, the GM who replied to my ticket regarding this technical issue on 4th of december last year, revealed that more people have reported this very same issue after upgrading to the Crimson drivers. The GM also suggested rolling back to the newest driver before Crimson (15.7.1) until the issue is resolved (thereby confirming this is a technical issue CCP is aware of).

Unfortunately, I'm not able to check whether downgrading my drivers to version 15.7.1 has any effect.

Systems with a similar hardware and software configuration to mine with NVIDIA cards do not seem to suffer from these low framerate issues when their EVE client's Present Interval setting is set to Interval One.
Rubido2009
Deep Core Mining Inc.
Caldari State
#25 - 2016-02-23 12:58:41 UTC
Report:

Radeon Software Version - 15.12
Radeon Software Edition - Crimson
Windows Version - Windows 10
System Memory - 16 GB
CPU Type - AMD FX(tm)-8120 Eight-Core Processor


Radeon Settings Version - 2015.1204.1216.22046
Driver Packaging Version - 15.30.1025.1001-151204a-296874C
Provider - Advanced Micro Devices, Inc.
2D Driver Version - 8.1.1.1533
Direct3D® Version - 9.14.10.1162
OpenGL® Version - 6.14.10.13416
OpenCL™ Version - 2.0.4.0
AMD Mantle Version - 9.1.10.99
AMD Mantle API Version - 98309
AMD Audio Driver Version - 10.0.0.2


Graphics Card Manufacturer - Powered by AMD
Graphics Chipset - AMD Radeon (TM) R9 390 Series
Device ID - 67B1
Vendor ID - 1002
SubSystem ID - E324
SubSystem Vendor ID - 174B
Revision ID - 80
Bus Type - PCI Express 3.0
Current Bus Settings - PCI Express 2.0 x16
BIOS Version - 015.048.000.062
BIOS Part Number - 113-2E3240U-X4A
BIOS Date - 2015/05/27 23:30
Memory Size - 8192 MB
Memory Type - GDDR5
Memory Clock - 1500 MHz
Core Clock - 1010 MHz
Total Memory Bandwidth - 384 GByte/s
2D Driver File Path - /REGISTRY/MACHINE/SYSTEM/ControlSet001/Control/Class/{4d36e968-e325-11ce-bfc1-08002be10318}/0000


running in PCI express 2.0 16x (older mobo gigabyte GA-990FXA-UD7) not upgrading because its a beast overclocker.

no problems 4 eve clients on 2x 4k monitors

i saw the OP had earlier driver version, so maybe updating would help someone i dont know.

problem could lie somewhere else, you should use driver booster 2 to check for outdated drivers.
l0rd carlos
the king asked me to guard the mountain
#26 - 2016-02-24 20:09:29 UTC
Daemun Khanid wrote:
l0rd carlos wrote:
Hi guys.

I have this issues where the fps dropping to 30 in some cases, even though the fps without interval/v-sync in the same situation is beyond 100.

Like Asteroid godrays, thera sun or new truster effects zoomed in. In those situations my fps drops from 60 to 30 with vsync on, even through it's way above 60 with vsync off and stable.

Is this the same bug you guys are having?

AMD Fury here.


With vsync enabled the card will try to maintain a frame rate that matches the refresh rate of 60 or divisions thereof. If you drop to 45 it will drop it even further to 30 in order to prevent tearing. Unless screen tearing is an issue you should leave vsync off. This however isnt the same as interval one. Interval one just caps the game internally at 60 which reduces load on the card.

( I think. A search on the interval functions will shed more light on it. Just be sure vsync is off in your driver settings as a start)


Thank you for trying to help. But i purposely mention two(2!) times in the text that you quoted that the fps without interval/vsync is above 60.
Was was trying to paint a picture (video) for you, but the fps went up again when I started to record. So the load on the GPU was higher, it clocks up again and boom, i got 60 fps in the same situation while i record.

With a program like clockblocker, that stops the GPU from downclocking it stays at a stable 60 fps. But that will again increase the heat and GPU usage, just what I'm trying to avoid.

Youtube Channel about Micro and Small scale PvP with commentary: Fleet Commentary by l0rd carlos
l0rd carlos
the king asked me to guard the mountain
#27 - 2016-02-24 20:24:49 UTC  |  Edited by: l0rd carlos
I did a bit of testing:


Sitting in station.
setting               c     fps
interval 1            33    60
clockBlocker          42    60
interval immediate    50+*  200+

I stopped here.


So disabling the interval 1 is not useful for me, as the card heats up to 50+c, gets louder + coil whine.
clockBlocker will lock the mhz to 1000 and the heat will rise a bit, still better then disabling interval.
just interval 1 is best, but will result in 30fps in some situations.

Edit: interval immediate + limit fps to 121 with riva tuner statistics server also works as a workaround.

Edit2:
From the AMD driver webside:
Quote:
Core clocks may not maintain sustained clock speeds resulting in choppy performance and or screen corruption

http://support.amd.com/en-us/kb-articles/Pages/AMD_Radeon_Software_Crimson_Edition_16.2.aspx
Might that be it?

Youtube Channel about Micro and Small scale PvP with commentary: Fleet Commentary by l0rd carlos
l0rd carlos
the king asked me to guard the mountain
#28 - 2016-03-12 13:13:47 UTC
Crimson 16.3 is out. That fixed some screen corruption bug people are having.

I'm still having fps issues though, I made a video: https://www.youtube.com/watch?v=6JJsYZ49AXA&

Youtube Channel about Micro and Small scale PvP with commentary: Fleet Commentary by l0rd carlos
Aoi Litvyak
Doomheim
#29 - 2016-03-12 13:46:38 UTC
16.3 solves the issue by turning off the power saving function by default. In other words, they dont even have a timeframe of when, or even if it can be fixed.
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