cpu-bottleneck

#cpu-bottleneck

Practical limit hit. Decoding so fast that tool calls (cpu) starting to become real limit not decode or prefill. Single RTX5090. Porting Kenshi to Godot project.

Reddit r/LocalLLaMA ↗ · 2026-10-05

A developer shares their experience discovering that when running 25 concurrent coding agents on an RTX 5090 GPU, the CPU (9800X3D) becomes the primary bottleneck for tool-call execution rather than GPU decode speed. They also share practical lessons on front-end tuning and agent slot management.

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cpu-bottleneck

Practical limit hit. Decoding so fast that tool calls (cpu) starting to become real limit not decode or prefill. Single RTX5090. Porting Kenshi to Godot project.

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