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fix(hmp): accept 64-bit DLPack stream handles - #222

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Kritoooo wants to merge 1 commit into
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Kritoooo:codex/fix-hmp-dlpack-stream-width

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@Kritoooo

@Kritoooo Kritoooo commented Sep 10, 2026 •

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Use int64_t for DLPack stream handles and add a CUDA regression test.

Validation: rebuilt the HMP binding; CPU argument-boundary probes reproduce the old failure and pass after the fix. Tensor conversion tests: 74 passed, 18 skipped.

Fixes #221.

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[Bug] HMP __dlpack__ 的 int stream 参数无法接收较大的 CUDA 流句柄

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