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| ::cuda::std::enable_if_t<!::cuda::std::is_same_v<KeyIteratorIn1, void*> | ||
| && !::cuda::std::is_same_v<KeyIteratorIn1, ::cuda::std::nullptr_t>, | ||
| int> = 0> |
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Remark: that's an interesting constraint since it guards against using the old overload with nullptr. It's fine. You need it here I guess because you cannot constraint a second template argument since it's just int64 here and a size_t from the other overload would convert to int64 well.
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we still get an ambiguity:
cub::DeviceMerge::MergeKeys(
thrust::raw_pointer_cast(temp_storage.data()), // KeyIteratorIn1 = char*
temp_storage_bytes, // num_keys1 (size_t -> int64)
keys1.begin(), // KeyIteratorIn2
static_cast<int>(keys1.size()), // num_keys2 (int -> int64)
keys2.begin(), // KeyIteratorOut
static_cast<int>(keys2.size()), // CompareOp = int
result.begin()); // EnvT = iterator
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we need extra constraints
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After long discussion with @bernhardmgruber we decided not to specify any deterministic guarantees for |
gonidelis
commented
Mar 12, 2026
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| // %PARAM% TEST_LAUNCH lid 0:1:2 | ||
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| #include <cuda/__execution/require.h> |
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fixes #7543