Bai

Researchers from Tsinghua University and Z.ai have proposed IndexCache, a method to reduce the computational cost of DeepSeek Sparse Attention (DSA) in GLM-5.2. IndexCache exploits the observation tha…

A developer created a 40-line Python script called context_tax.py to measure the 'context tax' in AI agent sessions, where each step re-sends the entire conversation history as input, causing total to…