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feat(cuda): ggml-CUDA EdgeTAM backend (NVIDIA fast-path) - #3

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njayj wants to merge 16 commits into

claude/sam3cpp-coreml-trackerfrom

claude/cuda-nvidia-edgetam

Commits on Jun 23, 2026

feat(build): SAM3_CUDA ggml-CUDA backend option (NVIDIA fast-path)
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feat(cuda): select the ggml-CUDA backend in the model loader (CUDA->Vulkan->CPU)
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fa06b85
feat(capi): expose active ggml backend name (anti silent-CPU-fallback)
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127e61b

Commits on Jul 4, 2026

build(capi): SAM3_CAPI_SHARED C-ABI DLL target + force CUDA graphs on SAM3_CUDA

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claude
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feat(cuda): guarded runtime fallback chain + ggml encoder-ahead producer

njayj
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claude
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a3194c7

Commits on Jul 7, 2026

cuda: fall back to manual attention for head dims ggml-cuda flash-attn lacks

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cuda: stage-transport driver increment 1 — sam3_stage_feed + the 4 neck_trk edges

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cuda: stage-transport increment 2 — constant device twins + weight-read caches

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d35fab4

Commits on Jul 8, 2026

cuda: stage-transport increment 3 — fixed bank ring + device prompt assembly

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092b313
cuda: stage-transport increment 4 — device memenc→perceiver chain

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cuda: stage-transport increment 5 — device default on CUDA + async D2D feeds

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cuda: increment 6a — cached propagate stage graph (CUDA-graph replay path)

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cuda: increment 6b — cached memory-encoder + perceiver stage graphs

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cuda: increment 6c — cached image-encoder stage graph

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cuda: increment 7 — device-resident encoder-ahead seam (18 fps threaded)

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56a27ec

Commits on Jul 11, 2026

cuda: device frame preprocess (plan v1 step 5)
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3772b35