reported Shkval Continues to make fps go ALOT lower both ST/MT.

Ace5 · February 13, 2023

FPS Drops ONLY occur when using the Vikhrs in both the BS2-3 and SU-25T This only started happening since the BS3 update

I Also get no performance hit from ground vehicles on fire at all

The performance hit also affects others while in a close proximity (Doesn't effect everyone) within a couple NM

KA-502-3 Fps drop.trk

Edited February 27, 2023 by Ace5
Forgot to add information

aaronwhite · February 22, 2023

I actually had the same thing happen with the BS2, and figured it was just from the missile suddenly being rendered in the targeting camera.

Ace5 · February 27, 2023

I'm only having this issue with the Vikhr Missile, Every other weapon gives me no performance issues.

Ace5 · March 12, 2023

Still an Issue with the latest Update even with MT

Nptune · March 16, 2023

Never happened with BS2.

FusRoPotato · March 16, 2023

It's happening with BS2 now though... I think it's all modules that offer a 2nd view. I think they extended the range of something at no benefit but huge cost.

FusRoPotato · March 16, 2023

Same thing happens if you look through exhaust trails in FLIR (looking backwards in the harrier).

Something is wrong with some of the smoke effects in game. This was reported in previous versions.

Nptune · March 16, 2023

Yeah it's a real pain because it stops me from ever flying the beautiful aircraft...

Ace5 · March 26, 2023

Still an issue...

Ace5 · March 26, 2023

I've been having this issue with the BS2-3 for MONTHS now and not a single dev has answered.. All I want is a simple (We're aware of the issue)

Flappie · April 2, 2023

Tested with MT OB: I don't have your issue.

My PC: Ryzen 2700X, 32 GB of RAM + 32 GB pagefile, 1080Ti, Win11.

Here's my FPS using attached track. First half is Kh-25ML firing, middle FPS drop is me changing slot, second half is Vikhr firing.

Have you tried purging your shader folders yet?

BS3 missiles.trk

Ace5 · April 10, 2023

The bug isn't happening for a lot of people I know neither also unfortunately it affects SOME peoples performance within a mile radius from me, I'm almost sure its the Vikhrs smoke causing the issues but I'm not 100% positive. I've tried a clean windows install with no success of fixing the issue.

My PC Ryzen 5 2600, GTX 1660 super, 16gb Of RAM + 16gb pagefile, Windows 10

DCS Is installed on a SSD

Edited April 10, 2023 by Ace5
Adding PC Specs

Amox · May 18, 2023

I have this issue too from vikhrs smoke (fps drops after launch). it crashes my game when I launch vikhrs in rainy weather too.

Ace5 · May 18, 2023

56 minutes ago, Amox said:

I have this issue too from vikhrs smoke (fps drops after launch). it crashes my game when I launch vikhrs in rainy weather too.

Unfortunately I've yet to find a fix...

Ace5 · June 13, 2023

Anything? Really would like to get back into this beast and fire off some vikhers without losing 50% of my FPS every shot

Flappie · June 13, 2023

Please reproduce the issue using my track above, then attach your dcs.log (from Saved Games/DCS.../Logs).

We'll see if there's some clue in there.

Ace5 · June 13, 2023

dcs.log Thanks for the help

1 hour ago, Flappie said:

Please reproduce the issue using my track above, then attach your dcs.log (from Saved Games/DCS.../Logs).

We'll see if there's some clue in there.

Ace5 · June 13, 2023

dcs.logThis is after firing around 6 Vikhrs if this helps

Flappie · June 13, 2023

I think I see what's going on, here. You're missing a file or two:

2023-06-13 13:16:56.164 INFO    Dispatcher (Main): loadMission Done: Сontrol passed to the player
2023-06-13 13:17:02.916 ERROR   ED_SOUND (8820): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickbefore.wav"
2023-06-13 13:17:02.918 ERROR   ED_SOUND (8820): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickafter.wav"
2023-06-13 13:19:13.463 WARNING EFFECTS2 (Main): OParticleSystem: preset 'smoke' not found in 'speedSmoke.lua', using default
2023-06-13 13:20:08.316 WARNING LOG (9028): 2 duplicate message(s) skipped.
2023-06-13 13:20:08.316 ERROR_ONCE DX11BACKEND (2016): texture 'noise4.png' not found. Asked from ''
2023-06-13 13:20:25.969 INFO    LUA (Main): Lua CPU usage: metric: average mission execution: 1.1456 %
2023-06-13 13:20:27.096 INFO    Dispatcher (Main): Stop

"preset 'smoke' not found in 'speedSmoke.lua', using default"
"texture 'noise4.png' not found"

I don't have these errors in my log when I shoot. Please try a DCS cleanup first, then a DCS repair in "slow" mode: https://www.digitalcombatsimulator.com/en/support/faq/709/#2463807

Flappie · June 13, 2023

Here's mine:

2023-06-13 14:08:00.464 INFO    Dispatcher (Main): loadMission Done: Сontrol passed to the player
2023-06-13 14:09:53.028 DEBUG   LuaGUI (Main): ----onSimulationResume---
2023-06-13 14:10:19.689 DEBUG   Scripting (Main): make: country: 	0
2023-06-13 14:10:19.689 DEBUG   Scripting (Main): Phrases make : key = 1
2023-06-13 14:10:19.689 DEBUG   Scripting (Main): Phrases make : key = 4192
2023-06-13 14:10:19.689 DEBUG   Scripting (Main): Phrases make : key = 11
2023-06-13 14:10:19.689 ERROR   ED_SOUND (9652): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickbefore.wav"
2023-06-13 14:10:19.694 ERROR   ED_SOUND (9652): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickafter.wav"
2023-06-13 14:10:31.957 DEBUG   Scripting (Main): make: country: 	2
2023-06-13 14:10:31.957 DEBUG   Scripting (Main): Phrases make : key = 1
2023-06-13 14:10:31.957 DEBUG   Scripting (Main): Phrases make : key = 4259
2023-06-13 14:10:34.336 INFO    LUA (Main): Lua CPU usage: metric: average mission execution: 1.1181 %
2023-06-13 14:10:34.336 DEBUG   LuaGUI (Main): ----onSimulationPause---
2023-06-13 14:10:38.125 INFO    Dispatcher (Main): Stop

No such error with BS2 either:

2023-06-13 14:20:59.956 INFO    Dispatcher (Main): loadMission Done: Сontrol passed to the player
2023-06-13 14:22:24.763 DEBUG   LuaGUI (Main): ----onSimulationResume---
2023-06-13 14:22:55.109 INFO    LUA (Main): Lua CPU usage: metric: average mission execution: 1.0271 %
2023-06-13 14:22:55.109 DEBUG   LuaGUI (Main): ----onSimulationPause---
2023-06-13 14:22:57.347 INFO    Dispatcher (Main): Stop

Edited June 13, 2023 by Flappie

Ace5 · June 14, 2023

16 hours ago, Flappie said:

I think I see what's going on, here. You're missing a file or two:

2023-06-13 13:16:56.164 INFO    Dispatcher (Main): loadMission Done: Сontrol passed to the player
2023-06-13 13:17:02.916 ERROR   ED_SOUND (8820): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickbefore.wav"
2023-06-13 13:17:02.918 ERROR   ED_SOUND (8820): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickafter.wav"
2023-06-13 13:19:13.463 WARNING EFFECTS2 (Main): OParticleSystem: preset 'smoke' not found in 'speedSmoke.lua', using default
2023-06-13 13:20:08.316 WARNING LOG (9028): 2 duplicate message(s) skipped.
2023-06-13 13:20:08.316 ERROR_ONCE DX11BACKEND (2016): texture 'noise4.png' not found. Asked from ''
2023-06-13 13:20:25.969 INFO    LUA (Main): Lua CPU usage: metric: average mission execution: 1.1456 %
2023-06-13 13:20:27.096 INFO    Dispatcher (Main): Stop

"preset 'smoke' not found in 'speedSmoke.lua', using default"
"texture 'noise4.png' not found"

I don't have these errors in my log when I shoot. Please try a DCS cleanup first, then a DCS repair in "slow" mode: https://www.digitalcombatsimulator.com/en/support/faq/709/#2463807

Tried the Steps with no success of fixing the issue but He is another Log if anything has chanced since the cleanup and slow repair. dcs.log Thank you for your time once again

Flappie · June 14, 2023

Yes, it has changed: the error messages about missing 'speedSmoke.lua' and 'noise4.png' are gone.

2023-06-14 06:14:16.939 INFO    Dispatcher (Main): loadMission Done: Сontrol passed to the player
2023-06-14 06:14:32.958 ERROR   ED_SOUND (10044): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickbefore.wav"
2023-06-14 06:14:32.986 ERROR   ED_SOUND (10044): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickafter.wav"
2023-06-14 06:15:47.320 INFO    LUA (Main): Lua CPU usage: metric: average mission execution: 1.2536 %
2023-06-14 06:15:48.707 INFO    Dispatcher (Main): Stop

I'm sorry to learn it hasn't changed anything for you.

I don't see any mod in your logs, but it's worth a try anyway: rename your "Saved Games/DCS.openbeta" folder to "DCS.openbeta.bak" (do NOT delete it), then start DCS and fire a Vikhr. Does that change anyting?

Ace5 · June 14, 2023

4 hours ago, Flappie said:
Yes, it has changed: the error messages about missing 'speedSmoke.lua' and 'noise4.png' are gone.
2023-06-14 06:14:16.939 INFO    Dispatcher (Main): loadMission Done: Сontrol passed to the player
2023-06-14 06:14:32.958 ERROR   ED_SOUND (10044): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickbefore.wav"
2023-06-14 06:14:32.986 ERROR   ED_SOUND (10044): can't load wave: "speech\rus\ka-50_3\wingman\1\effects\aircrafts\cockpits\radioclickafter.wav"
2023-06-14 06:15:47.320 INFO    LUA (Main): Lua CPU usage: metric: average mission execution: 1.2536 %
2023-06-14 06:15:48.707 INFO    Dispatcher (Main): Stop
I'm sorry to learn it hasn't changed anything for you.

I don't see any mod in your logs, but it's worth a try anyway: rename your "Saved Games/DCS.openbeta" folder to "DCS.openbeta.bak" (do NOT delete it), then start DCS and fire a Vikhr. Does that change anyting?

Doing this method has reset every bind I have and the name change didnt fix the main issue

Edited June 14, 2023 by Ace5

Flappie · June 14, 2023

That's OK, your bindings are in the backup folder. At least now, we know your issue is not caused by any custom file.

To retrieve your bindings (and many other things):

Close DCS.
Rename the new "DCS.openbeta" folder to "DCS.openbeta.whatever".
Rename the old "DCS.openbeta.bak" folder to "DCS.openbeta".

I don't have many ideas left to solve your lag during Vikhr release.

Edited June 14, 2023 by Flappie

Ace5 · June 14, 2023

46 minutes ago, Flappie said:

That's OK, your bindings are in the backup folder. At least now, we know your issue is not caused by any custom file.

To retrieve your bindings (and many other things):

Close DCS.

Rename the new "DCS.openbeta" folder to "DCS.openbeta.whatever".

Rename the old "DCS.openbeta.bak" folder to "DCS.openbeta".

I don't have many ideas left to solve your lag during Vikhr release.

Thanks for trying I appreciate it!

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reported Shkval Continues to make fps go ALOT lower both ST/MT.

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