feat/cuda: I1 - CUDA backend skeleton (probe+create/free real, 100 op stubs) - #20

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magiodev wants to merge 6 commits into

antirez:mainfrom

magiodev:cuda/01-scaffold

Commits on Aug 12, 2026

feat/cuda: I1 scaffold - CUDA backend skeleton (probe+create/free real, 100 op stubs)
magiodev
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69aa9b4
feat/cuda: build CLI objects as .cuda.o with -D_GNU_SOURCE (Linux CLOCK_MONOTONIC/strdup)
magiodev
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c0d92e1
feat/cuda: fix nvcc strictness - seterr takes const h3_gpu*, stub returns cast to exact type
magiodev
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cd0e18b
feat/cuda: probe uses cudaDeviceGetAttribute(UnifiedMemory) (CUDA 13 removed prop.unifiedMemory)
magiodev
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a626261
feat/cuda: unified_memory=1 (GB10 unified; CUDA13 removed unifiedMemory attr)
magiodev
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2e42886
feat/cuda: extern "C" guards in h3_gpu.h/h3_cuda.h + include h3_cuda.h in h3_cuda.cu
magiodev
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65c8ac3