The Go wrapper was tracking inter-array references via desc.inputs,
creating chains that kept all intermediate arrays alive across requests.
After 3-4 requests, Metal memory grew to 170GB+ and macOS killed the
process.
Fix: remove desc.inputs/numRefs entirely. MLX-C has its own internal
reference counting — when Go GC finalizes an Array wrapper, it calls
mlx_array_free which decrements the C-side refcount. If the C-side
count reaches 0, Metal memory is freed. Go GC + MLX-C refcounting
together handle all lifecycle management correctly.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
CGo wrapper for mlx-c providing zero-Python Metal GPU inference.
Includes Gemma 3 model architecture, BPE tokenizer, KV cache,
composable sampling, and OpenAI-compatible serve command.
Build-tagged (darwin && arm64 && mlx) with stubs for cross-platform.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
