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[WIP] Add 32-bit and 64-bit Morton key templates #53

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[WIP] Add 32-bit and 64-bit Morton key templates #53

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efef521
Add selectable Morton radix sort range
Nakul1322 Oct 6, 2026
cb33dc3
Add self-contained synthetic Morton experiment
Nakul1322 Oct 6, 2026
40a6ac5
Add generated synthetic layout preview
Nakul1322 Oct 6, 2026
e380aa9
Add templated 32-bit and 64-bit Morton keys
Nakul1322 Oct 6, 2026
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5 changes: 5 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -166,6 +166,11 @@ add_subdirectory(cuBQL)

if (NOT CUBQL_IS_SUBPROJECT)
add_subdirectory(samples)
option(CUBQL_BUILD_TESTS "Build cuBQL correctness tests" OFF)
if (CUBQL_BUILD_TESTS)
enable_testing()
add_subdirectory(tests)
endif()
endif()

#add_subdirectory(testing)
13 changes: 13 additions & 0 deletions cuBQL/builder/cuda.h
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Expand Up @@ -10,6 +10,7 @@
#endif
# include "cuBQL/math/box.h"
# include <mutex>
# include <type_traits>

namespace cuBQL {
// ------------------------------------------------------------------
Expand Down Expand Up @@ -179,6 +180,18 @@ namespace cuBQL {
BuildConfig buildConfig,
cudaStream_t s=0,
GpuMemoryResource &memResource=defaultGpuMemResource());

/*! Select uint32_t for compact Morton keys, or uint64_t for higher
precision. Requires finite, nonempty primitive bounds. */
template<typename MortonKey, typename T, int D>
typename std::enable_if<std::is_same<MortonKey,uint32_t>::value
|| std::is_same<MortonKey,uint64_t>::value,void>::type
radixBuilder(BinaryBVH<T,D> &bvh,
const box_t<T,D> *boxes,
uint32_t numPrims,
BuildConfig buildConfig,
cudaStream_t s=0,
GpuMemoryResource &memResource=defaultGpuMemResource());

// ------------------------------------------------------------------
/*! fast radix/morton builder with automatic rebinning where
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14 changes: 14 additions & 0 deletions cuBQL/builder/cuda/instantiate_builders.cu
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Expand Up @@ -36,6 +36,20 @@
cudaStream_t s, \
GpuMemoryResource &mem_resource); \
template \
void radixBuilder<uint32_t,T,D>(BinaryBVH<T,D> &bvh, \
const box_t<T,D> *boxes, \
uint32_t numBoxes, \
BuildConfig buildConfig, \
cudaStream_t s, \
GpuMemoryResource &mem_resource); \
template \
void radixBuilder<uint64_t,T,D>(BinaryBVH<T,D> &bvh, \
const box_t<T,D> *boxes, \
uint32_t numBoxes, \
BuildConfig buildConfig, \
cudaStream_t s, \
GpuMemoryResource &mem_resource); \
template \
void rebinRadixBuilder<T,D>(BinaryBVH<T,D> &bvh, \
const box_t<T,D> *boxes, \
uint32_t numBoxes, \
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