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[ARTICLE · art-157221] src=forum.level1techs.com ↗ pub= topic=ai-infrastructure verified=true sentiment=↑ positive

Leela 1.0 stands ready - The Theseus build that refuses to die

A builder's stress test of the "Leela 1.0" Theseus build found temperatures never exceeded 75°C even with the GPU and CPU at 100% while running a large language model, prompting the builder to loosen previously overestimated thermal limits. Reported readings include CPU Tctl at 55.0°C idle and 75.0°C full load, CPU Tccd at 53.0°C and 69.0°C, GPU Junction at 36.0°C and 69.0°C, and GPU Memory at 55.0°C and 86.0°C. The builder says the system is working fine after the adjustment.

read1 min views1 publishedOct 25, 2026

After stress testing the system, I overestimated the temps.

Temps are never above 75 degrees even when I blast the GPU and CPU on 100% and the computer slows down to a crawl with a really beefy LLM.

So, had to adjust limits a little. But it is working fine now.

Temps, in case anyone is interested:

| Part | Idle (°C) | Full (°C) | 
|---|---|---|

| CPU Tctl | 55.0 | 75.0 | | CPU Tccd* | 53.0 | 69.0 | | GPU Junction | 36.0 | 69.0 | | GPU Memory | 55.0 | 86.0 |

source & further reading
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