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Hardware Roofline Inference Calculator

Via r/LocalLlama
Sunday, Sep 27, 2026 · 8:42PM
Summary

Hello everyone, I made a calculator for the theoretical HW roofline for decoding / prefill based on several parameters (LLM model architecture, quants, GPU, Memory, ..). It still a theoretical bound, but helpful as a step-0 check to understand what fits (would fit) in your hardware, and understand t

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