[1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Bugs that we were not able to reproduce, and/or are waiting for more detailed info.
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akapulko
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[1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

I seem to have found a bug with a drop in FPS to 5 and this is due to spidertrons.
If this happened to you and you do not see the reason, then open the general map (button M), press debug (button F5) and look for bold red lines from spidertrons to distant points on the map. If we find these lines, then we need to take these spidertrons in the inventory (make them Reset).
Also, the reason may be that the spidertron is stuck somewhere on the waterfront.

P.S. Server info: steam://run/427520//--mp-connect%20bhmm.net:9002/
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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by boskid »

Debug renderers are described as "possibly affecting performance". Please turn off the unnecesary debug settings before complaining about FPS dropping. If possible, please provide a save file that shows the issue (assuming it will be still happening when debug visualisations are all turned off)

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

I turn on debug mode only after the FPS has dropped.
In the evening I will try to repeat the behavior and save the game.

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by dnmr »

we've had similar spidertron related performance issues before https://www.reddit.com/r/factorio/comme ... _clearing/

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

dnmr wrote:
Fri Aug 28, 2020 7:08 am
we've had similar spidertron related performance issues before https://www.reddit.com/r/factorio/comme ... _clearing/
I downloaded this save game, ran it, tried to reproduce the bug and it didn't work yet.

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by Rseding91 »

For future reference: the spider doesn't have any pathing logic. So there's nothing for it to slowdown the game with: it just moves towards the goal until it gets stuck on something.

Any slowdown you are having is unrelated to the spider movement; it's something else and you just happen to be telling the spider to move as it's happening - maybe biters trying to path to attach the spider.
If you want to get ahold of me I'm almost always on Discord.

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

Rseding91 wrote:
Sat Aug 29, 2020 6:20 pm
maybe biters trying to path to attach the spider.
Thanks, let's try to reproduce it.


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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

Zavian wrote:
Sun Aug 30, 2020 1:07 am
Possibly related viewtopic.php?f=7&t=88744
No, these are different bugs.

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

It seems that this cannot be reproduced from a local save.
You need to run save games on the server.

Also, when you are in spidertron and FPS drops to 5 and red lines are not visible in debug mode, it helps to exit spidertron and run away from it by 50 tiles. After 30-50 seconds, FPS returns to normal - 60.

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by Loewchen »

akapulko wrote:
Mon Aug 31, 2020 5:07 pm
It seems that this cannot be reproduced from a local save.
You need to run save games on the server.

Also, when you are in spidertron and FPS drops to 5 and red lines are not visible in debug mode, it helps to exit spidertron and run away from it by 50 tiles. After 30-50 seconds, FPS returns to normal - 60.
That is the normal "your machine is slower than the server" behavior. The reason why this only happens temporarily is likely the biter AI issue already linked.

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Re: [1.0.0] Graphics performance drops to 5 FPS with incorrect spidertron paths

Post by akapulko »

Loewchen wrote:
Mon Aug 31, 2020 5:37 pm
akapulko wrote:
Mon Aug 31, 2020 5:07 pm
It seems that this cannot be reproduced from a local save.
You need to run save games on the server.

Also, when you are in spidertron and FPS drops to 5 and red lines are not visible in debug mode, it helps to exit spidertron and run away from it by 50 tiles. After 30-50 seconds, FPS returns to normal - 60.
That is the normal "your machine is slower than the server" behavior. The reason why this only happens temporarily is likely the biter AI issue already linked.
The problem is only on the public server, with a ping of 140-150ms.
I suspect the problem is in the synchronization of the "memory" states of the biters.

When I run save games on my gaming PC, there are no FPS problems.

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