[pull] master from ggml-org:master#1203
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* vulkan: optimize operations in the IM2COL shader * Add comments and improve the code formatting
…refactor (#23345) * mtmd : deepseek-ocr fixes, improvements and refactoring - image processing changes to achieve full parity with Pillow (reference impl) - SAM mask casting only when flash-attn is on - SAM refactor (build_sam() extracted so deepseek-ocr-2 can reuse it) - llama-chat changes to fix server/WebUI issue (new media_markers_first()) - adapted test-chat-template and added test cases for deepseek-ocr - changed regression test for deepseek-ocr to use CER+chrF scores for ground-truth comparison; removed embedding-model - ty.toml ignore unresolved-import for tools/mtmd/tests/** * image-text reordering fix removed * refactor bool add_padding + pad_rounding enum into a single pad_style enum
ggml_backend_dev_by_name always appends a nullptr sentinel to the devices vector. Skipping nullptr entries prevents assertion failure in ggml_backend_dev_name. Assisted-by: llama.cpp:local pi
* opencl: refactor initialization * opencl: refactor GPU identification * opencl: rename for consistency * opencl: cache global mem size in dev_ctx * opencl: adjust log level * opencl: load argsort and flash_attn kernels in supports_op * argsort kernel must be built for supports_op for querying the max workgroups * flash_attn kernel has many variants, only load them when needed
* Move to backend sampling for MTP draft path Run top_k(10) on the draft backend. D2H transfers happen only for the top 10 logits Make backend sampling more robust and fallback to CPU on failure cases, such as with "-sm tensor" or when a backend doesn't support TOP_K. * Allow sampler chains to be partially offloaded to backend * Add --spec-draft-backend-sampling argument. Enabled by default.
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