We Hit 120 Tokens Per Second With 1 Million Token Context on a Single Desktop AI Computer
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FlowtivityWe Hit 120 Tokens Per Second With 1 Million Token Context on a Single Desktop AI Computerflowtivity.aiHow we achieved 120 tok/s with 1 million token context on a single NVIDIA DGX Spark using Atlas and Qwen 3.6 NVFP4. Zero regression, 100% retrieval accuracy, zero per-token cost.
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56,000+ tokens/sec at just 80 MHz. 🤯 I burned a full Transformer with KV cache into a custom chip. Designed gate by gate as a 100% digital integrated circuit. Prototyped on a FPGA. (No GPU. No CPU) Just pure digital silicon running @karpathy microGPT,

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