GLM-5.2-NVFP4-KV-4x-DGX-Spark-300kctx-42tok-s

GLM-5.2 744B with a true 4-bit NVFP4 KV cache on 4x DGX Spark: 42 tok/s peak, 317K-token KV pool (+58.6% vs fp8), needle-verified at 250K…