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[Fix] Raise Python exceptions instead of exiting on CUDA errors #13

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[Fix] Raise Python exceptions instead of exiting on CUDA errors #13

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f21cf3b
fix: propagate CUDA extension errors
morluto Jul 28, 2026
4441720
test: use defined CUDA import failure
morluto Jul 28, 2026
2bf1d76
fix: release imported CUDA handles once
morluto Jul 28, 2026
0c86b07
fix: unwind failed multicast bindings
morluto Jul 28, 2026
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3 changes: 2 additions & 1 deletion csrc/bindings.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,8 @@ PYBIND11_MODULE(_C, m) {
pybind11::arg("size_bytes"), pybind11::arg("num_devices"),
"Bind the local chunk's owned physical memory (nvl_dist_alloc handle) "
"to the multicast object and map a multicast VA; returns a keepalive "
"int32 tensor whose data_ptr is the multimem address.");
"int32 tensor whose data_ptr is the multimem address. Consumes "
"mc_handle and borrows owned_mem_handle.");
m.def("nvl_release_mem_handle", &nvl_release_mem_handle,
pybind11::arg("mem_handle"),
"Release an owned mem handle returned by nvl_dist_alloc.");
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