Mac Studio M5 Ultra and Local Frontier Inference

Apple's M5 Max/Ultra Mac Studio launched with up to 512GB memory (late October) and clustering to ~4.8TB/s across 4 units, at ~$10K for 256GB and ~$17–20K for 512GB. @jcartu pushed a 3.5-bit EXL3 trellis quant of GLM 5.2…