IT Services Circle

Jun 24, 2026 · Artificial Intelligence

Why 1M Context Length Matters: Inside GLM 5.2’s New Techniques

The article examines how 1‑million‑token context has become a standard feature in modern LLMs, explains the compute and memory challenges it brings, reviews the sparse‑attention and token‑selection tricks (including GLM 5.2’s IndexShare and LayerSplit), and outlines practical evaluation methods for measuring long‑context effectiveness.