8Gb is not enough for Octopus?

[kusayuzayushko]

20250609 07:59:24 NVIDIA Driver v535.154.05
20250609 07:59:24 
20250609 07:59:24 + GPU #0: [00:01.0|1f06] GeForce RTX 2060 SUPER, 7974 MB
20250609 07:59:24 + GPU #1: [00:03.0|1f06] GeForce RTX 2060 SUPER, 7974 MB
20250609 07:59:24 + GPU #2: [00:04.0|1f06] GeForce RTX 2060 SUPER, 7974 MB
20250609 07:59:24 + GPU #3: [00:05.0|1f06] GeForce RTX 2060 SUPER, 7974 MB
...
20250609 07:59:24 Starting on: octopus.auto.nicehash.com:9200
...
20250609 07:59:24 Using protocol: octopus.
20250609 07:59:24 Authorizing...
20250609 07:59:24 GPU #0: intensity 22
20250609 07:59:24 GPU #2: intensity 22
20250609 07:59:24 Authorized successfully.
20250609 07:59:24 Extranonce is set to: 166443
20250609 07:59:24 octopus epoch: 237, block: 124374413, diff: 4.29 G
20250609 07:59:24 GPU #1: intensity 22
20250609 07:59:24 GPU #3: intensity 22
20250609 07:59:26 octopus epoch: 237, block: 124374414, diff: 4.29 G
20250609 07:59:26 GPU #3: not enough free memory to mine octopus at epoch 237
20250609 07:59:26 TREX: Can't find nonce with device [ID=3, GPU #3], out of memory
20250609 07:59:26 WARN: Miner is going to shutdown...
20250609 07:59:26 GPU #2: not enough free memory to mine octopus at epoch 237
20250609 07:59:26 GPU #0: not enough free memory to mine octopus at epoch 237
20250609 07:59:26 GPU #1: not enough free memory to mine octopus at epoch 237
20250609 07:59:26 Main loop finished. Cleaning up resources...
20250609 07:59:26 ApiServer: stopped listening on 127.0.0.1:4067
20250609 07:59:26 octopus epoch: 237, block: 124374415, diff: 4.29 G
20250609 07:59:27 octopus epoch: 237, block: 124374416, diff: 4.29 G
20250609 07:59:28 octopus epoch: 237, block: 124374417, diff: 4.29 G
20250609 07:59:29 T-Rex finished.
[2025-06-09 07:59:30] Rebooting

t-rex-v0.26.8
There are no hardware errors in dmesg, could it be the algo now requires more VRAM?

[DJAeSsZ]

I use RTX2070 Super 8GB graphics card, it can still mine but the mining power has decreased a lot from 51-52 to 25-34 and it is not very stable.