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#pragma once
#include <ATen/Tensor.h>
#include <ATen/cuda/CUDAContext.h>
#include <ATen/cuda/CUDASparse.h>
#include <c10/core/ScalarType.h>
#if defined(USE_ROCM)
#include <type_traits>
#endif
namespace at {
namespace cuda {
namespace sparse {
template <typename T, cusparseStatus_t (*destructor)(T*)>
struct CuSparseDescriptorDeleter {
void operator()(T* x) {
if (x != nullptr) {
TORCH_CUDASPARSE_CHECK(destructor(x));
}
}
};
template <typename T, cusparseStatus_t (*destructor)(T*)>
class CuSparseDescriptor {
public:
T* descriptor() const {
return descriptor_.get();
}
T* descriptor() {
return descriptor_.get();
}
protected:
std::unique_ptr<T, CuSparseDescriptorDeleter<T, destructor>> descriptor_;
};
#if defined(USE_ROCM)
// hipSPARSE doesn't define this
using cusparseMatDescr = std::remove_pointer<cusparseMatDescr_t>::type;
using cusparseDnMatDescr = std::remove_pointer<cusparseDnMatDescr_t>::type;
using cusparseDnVecDescr = std::remove_pointer<cusparseDnVecDescr_t>::type;
using cusparseSpMatDescr = std::remove_pointer<cusparseSpMatDescr_t>::type;
using cusparseSpMatDescr = std::remove_pointer<cusparseSpMatDescr_t>::type;
using cusparseSpGEMMDescr = std::remove_pointer<cusparseSpGEMMDescr_t>::type;
#if AT_USE_HIPSPARSE_TRIANGULAR_SOLVE()
using bsrsv2Info = std::remove_pointer<bsrsv2Info_t>::type;
using bsrsm2Info = std::remove_pointer<bsrsm2Info_t>::type;
#endif
#endif
class TORCH_CUDA_CPP_API CuSparseMatDescriptor
: public CuSparseDescriptor<cusparseMatDescr, &cusparseDestroyMatDescr> {
public:
CuSparseMatDescriptor() {
cusparseMatDescr_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseCreateMatDescr(&raw_descriptor));
descriptor_.reset(raw_descriptor);
}
CuSparseMatDescriptor(bool upper, bool unit) {
cusparseFillMode_t fill_mode =
upper ? CUSPARSE_FILL_MODE_UPPER : CUSPARSE_FILL_MODE_LOWER;
cusparseDiagType_t diag_type =
unit ? CUSPARSE_DIAG_TYPE_UNIT : CUSPARSE_DIAG_TYPE_NON_UNIT;
cusparseMatDescr_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseCreateMatDescr(&raw_descriptor));
TORCH_CUDASPARSE_CHECK(cusparseSetMatFillMode(raw_descriptor, fill_mode));
TORCH_CUDASPARSE_CHECK(cusparseSetMatDiagType(raw_descriptor, diag_type));
descriptor_.reset(raw_descriptor);
}
};
#if AT_USE_HIPSPARSE_TRIANGULAR_SOLVE()
class TORCH_CUDA_CPP_API CuSparseBsrsv2Info
: public CuSparseDescriptor<bsrsv2Info, &cusparseDestroyBsrsv2Info> {
public:
CuSparseBsrsv2Info() {
bsrsv2Info_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseCreateBsrsv2Info(&raw_descriptor));
descriptor_.reset(raw_descriptor);
}
};
class TORCH_CUDA_CPP_API CuSparseBsrsm2Info
: public CuSparseDescriptor<bsrsm2Info, &cusparseDestroyBsrsm2Info> {
public:
CuSparseBsrsm2Info() {
bsrsm2Info_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseCreateBsrsm2Info(&raw_descriptor));
descriptor_.reset(raw_descriptor);
}
};
#endif // AT_USE_HIPSPARSE_TRIANGULAR_SOLVE
#if AT_USE_CUSPARSE_GENERIC_API() || AT_USE_HIPSPARSE_GENERIC_API()
cusparseIndexType_t getCuSparseIndexType(const c10::ScalarType& scalar_type);
#if AT_USE_HIPSPARSE_GENERIC_52_API() || AT_USE_CUSPARSE_GENERIC_API()
class TORCH_CUDA_CPP_API CuSparseDnMatDescriptor
: public CuSparseDescriptor<cusparseDnMatDescr, &cusparseDestroyDnMat> {
public:
explicit CuSparseDnMatDescriptor(const Tensor& input, int64_t batch_offset = -1);
};
#endif //AT_USE_HIPSPARSE_GENERIC_52_API() || AT_USE_CUSPARSE_GENERIC_API()
class TORCH_CUDA_CPP_API CuSparseDnVecDescriptor
: public CuSparseDescriptor<cusparseDnVecDescr, &cusparseDestroyDnVec> {
public:
explicit CuSparseDnVecDescriptor(const Tensor& input);
};
class TORCH_CUDA_CPP_API CuSparseSpMatDescriptor
: public CuSparseDescriptor<cusparseSpMatDescr, &cusparseDestroySpMat> {};
class TORCH_CUDA_CPP_API CuSparseSpMatCsrDescriptor
: public CuSparseSpMatDescriptor {
public:
explicit CuSparseSpMatCsrDescriptor(const Tensor& input, int64_t batch_offset = -1);
#if defined(USE_ROCM) || (defined(CUDA_VERSION) && CUDA_VERSION >= 11000)
std::tuple<int64_t, int64_t, int64_t> get_size() {
int64_t rows, cols, nnz;
TORCH_CUDASPARSE_CHECK(cusparseSpMatGetSize(
this->descriptor(),
&rows,
&cols,
&nnz));
return std::make_tuple(rows, cols, nnz);
}
void set_tensor(const Tensor& input) {
auto crow_indices = input.crow_indices();
auto col_indices = input.col_indices();
auto values = input.values();
TORCH_INTERNAL_ASSERT_DEBUG_ONLY(crow_indices.is_contiguous());
TORCH_INTERNAL_ASSERT_DEBUG_ONLY(col_indices.is_contiguous());
TORCH_INTERNAL_ASSERT_DEBUG_ONLY(values.is_contiguous());
TORCH_CUDASPARSE_CHECK(cusparseCsrSetPointers(
this->descriptor(),
crow_indices.data_ptr(),
col_indices.data_ptr(),
values.data_ptr()));
}
#endif
#if AT_USE_CUSPARSE_GENERIC_SPSV()
void set_mat_fill_mode(bool upper) {
cusparseFillMode_t fill_mode =
upper ? CUSPARSE_FILL_MODE_UPPER : CUSPARSE_FILL_MODE_LOWER;
TORCH_CUDASPARSE_CHECK(cusparseSpMatSetAttribute(
this->descriptor(),
CUSPARSE_SPMAT_FILL_MODE,
&fill_mode,
sizeof(fill_mode)));
}
void set_mat_diag_type(bool unit) {
cusparseDiagType_t diag_type =
unit ? CUSPARSE_DIAG_TYPE_UNIT : CUSPARSE_DIAG_TYPE_NON_UNIT;
TORCH_CUDASPARSE_CHECK(cusparseSpMatSetAttribute(
this->descriptor(),
CUSPARSE_SPMAT_DIAG_TYPE,
&diag_type,
sizeof(diag_type)));
}
#endif
};
#if AT_USE_CUSPARSE_GENERIC_SPSV()
class TORCH_CUDA_CPP_API CuSparseSpSVDescriptor
: public CuSparseDescriptor<cusparseSpSVDescr, &cusparseSpSV_destroyDescr> {
public:
CuSparseSpSVDescriptor() {
cusparseSpSVDescr_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseSpSV_createDescr(&raw_descriptor));
descriptor_.reset(raw_descriptor);
}
};
#endif
#if AT_USE_CUSPARSE_GENERIC_SPSM()
class TORCH_CUDA_CPP_API CuSparseSpSMDescriptor
: public CuSparseDescriptor<cusparseSpSMDescr, &cusparseSpSM_destroyDescr> {
public:
CuSparseSpSMDescriptor() {
cusparseSpSMDescr_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseSpSM_createDescr(&raw_descriptor));
descriptor_.reset(raw_descriptor);
}
};
#endif
#if (defined(USE_ROCM) && ROCM_VERSION >= 50200) || (defined(CUDA_VERSION) && CUDA_VERSION >= 11000)
class TORCH_CUDA_CPP_API CuSparseSpGEMMDescriptor
: public CuSparseDescriptor<cusparseSpGEMMDescr, &cusparseSpGEMM_destroyDescr> {
public:
CuSparseSpGEMMDescriptor() {
cusparseSpGEMMDescr_t raw_descriptor;
TORCH_CUDASPARSE_CHECK(cusparseSpGEMM_createDescr(&raw_descriptor));
descriptor_.reset(raw_descriptor);
}
};
#endif
#endif // AT_USE_CUSPARSE_GENERIC_API() || AT_USE_HIPSPARSE_GENERIC_API()
} // namespace sparse
} // namespace cuda
} // namespace at
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