Dev.to
7/5/2026
Token Factory: Understanding the pipeline
Short summary
Interactive simulation teaches LLM serving optimization by mapping game mechanics to real infrastructure: prefill/decode separation, KV-cache paging (reducing GPU memory 4x), and speculative decoding. Progress through three difficulty levels to optimize throughput from 30 to 120+ tokens per second using concepts from vLLM, TensorRT-LLM, and Hugging Face TGI. A hands-on exploration of how production inference frameworks maximize performance.
- •Interactive game maps LLM serving optimization to real-world infrastructure patterns
- •Teaches prefill/decode phases, KV-cache paging, and speculative decoding through three difficulty levels
- •Progresses from 30 to 120+ tokens/sec throughput, demonstrating concrete optimization impact
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