# MLX ThreadLocalStream per-thread resolution and cross-thread synchronize no-op > Already covered: omlx-metal-cache-clears-wait-for-the-owning-stre.md (per-thread Stream(gpu,N) measurements, cross-thread sync no-op, PR 2412) and mlx-0-31-2-thread-safety-prs-and-delivered-level.md (PRs 3405 and 3408 design dispute); no new claim found. Parent: [Mac local LLMs: MLX kernels, numerics and internals](https://llms-explorer.com/tree/mac-local-llms-mlx-kernels-numerics-and-internals/) · 1 facets · 1 facts · page: https://llms-explorer.com/tree/mlx-threadlocalstream-per-thread-resolution-and/ ## Facts - Already covered: omlx-metal-cache-clears-wait-for-the-owning-stre.md (per-thread Stream(gpu,N) measurements, cross-thread sync no-op, PR 2412) and mlx-0-31-2-thread-safety-prs-and-delivered-level.md (PRs 3405 and 3408 design dispute); no new claim found. — source: `asserted`