ds4.c - Metal용 DeepSeek V4 Flash 로컬 추론 엔진

ds4.c represents a significant shift toward hyper-optimized, model-specific inference engines that bypass generic wrappers to maximize performance on Apple Silicon. This specialized approach enables professional-grade local execution of DeepSeek V4 Flash with massive context windows, making high-speed reasoning and complex agentic workflows accessible on Mac workstations without cloud dependency.