metal : fix fusion across different encoders #14849
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* metal : fix fusion across different encoders ggml-ci * cont : add assertion ggml-ci
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* origin/master: docs : update HOWTO‑add‑model.md for ModelBase and new model classes (ggml-org#14874) ggml : remove invalid portPos specifiers from dot files (ggml-org#14838) context : restore preemptive sched reset when LLAMA_SET_ROWS=0 (ggml-org#14870) mtmd : fix 32-bit narrowing issue in export-lora and mtmd clip (ggml-org#14503) rpc : check for null buffers in get/set/copy tensor endpoints (ggml-org#14868) sched : fix multiple evaluations of the same graph with pipeline parallelism (ggml-org#14855) musa: upgrade musa sdk to rc4.2.0 (ggml-org#14498) sync : ggml cmake : fix usage issues (ggml/1257) ggml-cpu : remove stdlib include from repack.cpp (ggml/1276) context : perform output reorder lazily upon access after sync (ggml-org#14853) chat : fix kimi-k2 chat template (ggml-org#14852) sycl: fixed semantics of block offset calculation (ggml-org#14814) llama : fix MiniCPM inference after Granite Four changes (ggml-org#14850) docs: add libcurl-dev install hint for Linux distros (ggml-org#14801) metal : fix fusion across different encoders (ggml-org#14849) sycl: fix undefined variable in work group size check (ggml-org#14843) convert : text-only support for GLM-4.1V-9B-Thinking (ggml-org#14823) CUDA: fix overflow in FA, tune performance (ggml-org#14840) CUDA: fix compilation with GGML_CUDA_F16 (ggml-org#14837)
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fix #14835
Since in Metal we encode the graph in parallel using multiple
MTLComputeCommandEncoders, we have to prevent from fusing ops that are split in different encoders.