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CUTLASS: cutlass::reference::host Namespace Reference

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CUDA Templates for Linear Algebra Subroutines and Solvers |

Namespaces | Classes | Functions

cutlass::reference::host Namespace Reference

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Namespaces

| | | detail | | | Defines several helpers.
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Classes

| | struct | BlockForEach | | | | struct | Gemm | | | | struct | Gemm< ElementA, LayoutA, ElementB, LayoutB, ElementC, LayoutC, ScalarType, ComputeType, arch::OpMultiplyAdd > | | | Partial specialization for multiply-add. More...
| | | | struct | Gemm< ElementA, LayoutA, ElementB, LayoutB, ElementC, LayoutC, ScalarType, ComputeType, arch::OpMultiplyAddSaturate > | | | Partial specialization for multiply-add-saturate. More...
| | | | struct | Gemm< ElementA, LayoutA, ElementB, LayoutB, ElementC, LayoutC, ScalarType, ComputeType, arch::OpXorPopc > | | | Partial specialization for XOR-popc. More...
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Functions

| | template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType , typename ComputeType , typename InnerProductOp = multiply_add<ComputeType>, typename ConvertOp = NumericConverter<ElementC, ScalarType>> | | void | compute_gemm (gemm::GemmCoord problem_size, ScalarType alpha, TensorRef< ElementA, LayoutA > tensor_a, TensorRef< ElementB, LayoutB > tensor_b, ScalarType beta, TensorRef< ElementC, LayoutC > tensor_c, TensorRef< ElementC, LayoutC > tensor_d, ComputeType initial_accum) | | | | template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType , typename ComputeType , typename InnerProductOp = multiply_add<ComputeType>, typename ConvertOp = NumericConverter<ElementC, ScalarType>> | | void | compute_gemm (gemm::GemmCoord problem_size, ScalarType alpha, TensorRef< ElementA, LayoutA > tensor_a, TensorRef< ElementB, LayoutB > tensor_b, ScalarType beta, TensorRef< ElementC, LayoutC > tensor_c, ComputeType initial_accum) | | | | template<typename TensorRefCollectionA , typename TensorRefCollectionB , typename TensorRefCollectionC , typename ScalarType , typename AccumulatorType > | | void | BatchedGemm (gemm::GemmCoord problem_size, int batch_count, ScalarType alpha, TensorRefCollectionA const &tensor_a, TensorRefCollectionB const &tensor_b, ScalarType beta, TensorRefCollectionC &tensor_c, AccumulatorType initial_accum) | | | Computes a batch of GEMMs over a set of matrices of common dimension. More...
| | | | template<typename TensorRefCollectionA , typename TensorRefCollectionB , typename TensorRefCollectionC , typename ScalarType , typename AccumulatorType > | | void | BatchedGemm (gemm::GemmCoord problem_size, int batch_count, ScalarType alpha, TensorRefCollectionA const &tensor_a, TensorRefCollectionB const &tensor_b, ScalarType beta, TensorRefCollectionC &tensor_c) | | | | template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType , typename ComputeType , typename ConvertOp = NumericConverter<ElementC, ScalarType>, typename InnerProductOp = multiply_add<ComputeType>> | | void | GemmComplex (gemm::GemmCoord problem_size, ScalarType alpha, TensorRef< ElementA, LayoutA > tensor_a, ComplexTransform transform_a, TensorRef< ElementB, LayoutB > tensor_b, ComplexTransform transform_b, ScalarType beta, TensorRef< ElementC, LayoutC > tensor_c, ComputeType initial_accum) | | | | template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType > | | void | GemmComplex (gemm::GemmCoord problem_size, ScalarType alpha, TensorRef< ElementA, LayoutA > tensor_a, ComplexTransform transform_a, TensorRef< ElementB, LayoutB > tensor_b, ComplexTransform transform_b, ScalarType beta, TensorRef< ElementC, LayoutC > tensor_c) | | | | template<typename Element , typename Layout > | | bool | TensorEquals (TensorView< Element, Layout > const &lhs, TensorView< Element, Layout > const &rhs) | | | Returns true if two tensor views are equal. More...
| | | | template<typename Element , typename Layout > | | bool | TensorNotEquals (TensorView< Element, Layout > const &lhs, TensorView< Element, Layout > const &rhs) | | | Returns true if two tensor views are NOT equal. More...
| | | | template<typename Element , typename Layout > | | bool | TensorContains (TensorView< Element, Layout > const &view, Element value) | | | Returns true if a value is present in a tensor. More...
| | | | template<typename Element , typename Layout > | | std::pair< bool, Coord< Layout::kRank > > | TensorFind (TensorView< Element, Layout > const &view, Element value) | | | < Layout function More...
| | | | template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F > | | void | TensorCopy (TensorView< DstElement, DstLayout > dst, TensorView< SrcElement, SrcLayout > src, F const &transform) | | | Copies elements from one tensor view into another, satisfying bounds of each tensor. More...
| | | | template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F > | | void | TensorCopy (TensorView< DstElement, DstLayout > dst, TensorRef< SrcElement, SrcLayout > src, F const &transform) | | | | template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F > | | void | TensorCopy (TensorRef< DstElement, DstLayout > dst, TensorView< SrcElement, SrcLayout > src, F const &transform) | | | | template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout > | | void | TensorCopy (TensorView< DstElement, DstLayout > dst, TensorView< SrcElement, SrcLayout > src) | | | | template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F > | | void | TensorCopy (TensorView< DstElement, DstLayout > dst, TensorRef< SrcElement, SrcLayout > src) | | | | template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout > | | void | TensorCopy (TensorRef< DstElement, DstLayout > dst, TensorView< SrcElement, SrcLayout > src) | | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB > | | void | TensorAdd (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a, TensorRef< ElementB, LayoutB > b) | | | Adds two tensors and stores in the destination tensor: d = a + b. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA > | | void | TensorAdd (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a) | | | Adds a tensor in place: d = d .+ a. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB > | | void | TensorSub (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a, TensorRef< ElementB, LayoutB > b) | | | Subtracts two tensors and stores in the destination tensor: d = a - b. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB > | | void | TensorSub (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a) | | | Subtracts two tensors in place: d = d .- a. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB > | | void | TensorMul (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a, TensorRef< ElementB, LayoutB > b) | | | Multiplies two tensors and stores in the destination tensor: d = a .* b. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA > | | void | TensorMul (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a) | | | Multiplies tensors in place: d = d .* a. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB > | | void | TensorDiv (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a, TensorRef< ElementB, LayoutB > b) | | | Divides two tensors and stores in the destination tensor: d = a ./ b. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA > | | void | TensorDiv (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a) | | | Divides tensors in place: d = d ./ a. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB > | | void | TensorModulus (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a, TensorRef< ElementB, LayoutB > b) | | | Divides two tensors and stores in the destination tensor: d = a ./ b. More...
| | | | template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA > | | void | TensorModulus (TensorView< ElementD, LayoutD > d, TensorRef< ElementA, LayoutA > a) | | | Divides tensors in place: d = d ./ a. More...
| | | | template<typename Element , typename Layout > | | void | TensorFill (TensorView< Element, Layout > dst, Element val=Element(0)) | | | Fills a tensor with a uniform value. More...
| | | | template<typename Element , typename Layout > | | void | TensorFillRandomGaussian (TensorView< Element, Layout > dst, uint64_t seed, double mean=0, double stddev=1, int bits=-1) | | | Fills a tensor with random values with a Gaussian distribution. More...
| | | | template<typename Element > | | void | BlockFillRandomGaussian (Element *ptr, size_t capacity, uint64_t seed, double mean=0, double stddev=1, int bits=-1) | | | Fills a tensor with random values with a Gaussian distribution. More...
| | | | template<typename Element , typename Layout > | | void | TensorFillRandomUniform (TensorView< Element, Layout > dst, uint64_t seed, double max=1, double min=0, int bits=-1) | | | Fills a tensor with random values with a uniform random distribution. More...
| | | | template<typename Element > | | void | BlockFillRandomUniform (Element *ptr, size_t capacity, uint64_t seed, double max=1, double min=0, int bits=-1) | | | Fills a tensor with random values with a uniform random distribution. More...
| | | | template<typename Element , typename Layout > | | void | TensorFillDiagonal (TensorView< Element, Layout > dst, Element diag=Element(1), Element other=Element(0)) | | | Fills a tensor everywhere with a unique value for its diagonal. More...
| | | | template<typename Element , typename Layout > | | void | TensorFillIdentity (TensorView< Element, Layout > dst) | | | Helper to fill a tensor's diagonal with 1 and 0 everywhere else. More...
| | | | template<typename Element , typename Layout > | | void | TensorUpdateDiagonal (TensorView< Element, Layout > dst, Element val=Element(1)) | | | Writes a uniform value to the diagonal of a tensor without modifying off-diagonal elements. More...
| | | | template<typename Element , typename Layout > | | void | TensorUpdateOffDiagonal (TensorView< Element, Layout > dst, Element other=Element(1)) | | | Writes a uniform value to all elements in the tensor without modifying diagonal elements. More...
| | | | template<typename Element , typename Layout > | | void | TensorFillLinear (TensorView< Element, Layout > dst, Array< Element, Layout::kRank > const &v, Element s=Element(0)) | | | Fills tensor with a linear combination of its coordinate and another vector. More...
| | | | template<typename Element , typename Layout > | | void | TensorFillSequential (TensorView< Element, Layout > dst, Element s=Element(0)) | | | Fills tensor with a linear combination of its coordinate and another vector. More...
| | | | template<typename Element > | | void | BlockFillSequential (Element *ptr, int64_t capacity, Element v=Element(1), Element s=Element(0)) | | | Fills a block of data with sequential elements. More...
| | | | template<typename Element > | | void | BlockFillRandom (Element *ptr, size_t capacity, uint64_t seed, Distribution dist) | | | Fills a block of data with sequential elements. More...
| | | | template<typename Element , typename Layout > | | void | TensorCopyDiagonalIn (TensorView< Element, Layout > dst, Element const *ptr) | | | Copies a diagonal in from host memory without modifying off-diagonal elements. More...
| | | | template<typename Element , typename Layout > | | void | TensorCopyDiagonalOut (Element *ptr, TensorView< Element, Layout > src) | | | Copies the diagonal of a tensor into a dense buffer in host memory. More...
| | | | template<typename Func , int Rank> | | void | TensorForEach (Coord< Rank > extent, Func &func) | | | Iterates over the index space of a tensor. More...
| | | | template<typename Func , int Rank> | | void | TensorForEachLambda (Coord< Rank > extent, Func func) | | | Iterates over the index space of a tensor and calls a C++ lambda. More...
| | | | template<typename Element , typename Layout , typename ElementReduction > | | ElementReduction | TensorNorm (TensorView< Element, Layout > view, ElementReduction accumulator) | | | Computes the p=2 norm of the elements of a tensor with arbitrary reduction data type. More...
| | | | template<typename Element , typename Layout > | | double | TensorNorm (TensorView< Element, Layout > view) | | | Computes the p=2 norm of the elements of a tensor. More...
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Function Documentation

template<typename TensorRefCollectionA , typename TensorRefCollectionB , typename TensorRefCollectionC , typename ScalarType , typename AccumulatorType >

| void cutlass::reference::host::BatchedGemm | ( | gemm::GemmCoord | problem_size, | | | | int | batch_count, | | | | ScalarType | alpha, | | | | TensorRefCollectionA const & | tensor_a, | | | | TensorRefCollectionB const & | tensor_b, | | | | ScalarType | beta, | | | | TensorRefCollectionC & | tensor_c, | | | | AccumulatorType | initial_accum | | | ) | | |

template<typename TensorRefCollectionA , typename TensorRefCollectionB , typename TensorRefCollectionC , typename ScalarType , typename AccumulatorType >

| void cutlass::reference::host::BatchedGemm | ( | gemm::GemmCoord | problem_size, | | | | int | batch_count, | | | | ScalarType | alpha, | | | | TensorRefCollectionA const & | tensor_a, | | | | TensorRefCollectionB const & | tensor_b, | | | | ScalarType | beta, | | | | TensorRefCollectionC & | tensor_c | | | ) | | |

Computes a general matrix product among matrices (tensors of rank=2) pointed to by TensorRef objects.

template<typename Element >

| void cutlass::reference::host::BlockFillRandom | ( | Element * | ptr, | | | | size_t | capacity, | | | | uint64_t | seed, | | | | Distribution | dist | | | ) | | |

template<typename Element >

| void cutlass::reference::host::BlockFillRandomGaussian | ( | Element * | ptr, | | | | size_t | capacity, | | | | uint64_t | seed, | | | | double | mean = 0, | | | | double | stddev = 1, | | | | int | bits = -1 | | | ) | | |

< If non-negative, specifies number of fractional bits that are not truncated to zero. Permits reducing precision of data.

Parameters

| ptr | destination buffer | | capacity | number of elements | | seed | seed for RNG | | mean | Gaussian distribution's mean | | stddev | Gaussian distribution's standard deviation |

template<typename Element >

| void cutlass::reference::host::BlockFillRandomUniform | ( | Element * | ptr, | | | | size_t | capacity, | | | | uint64_t | seed, | | | | double | max = 1, | | | | double | min = 0, | | | | int | bits = -1 | | | ) | | |

< If non-negative, specifies number of fractional bits that are not truncated to zero. Permits reducing precision of data.

Parameters

| seed | seed for RNG | | max | upper bound of distribution | | min | lower bound for distribution |

template<typename Element >

| void cutlass::reference::host::BlockFillSequential | ( | Element * | ptr, | | | | int64_t | capacity, | | | | Element | v = Element(1), | | | | Element | s = Element(0) | | | ) | | |

template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType , typename ComputeType , typename InnerProductOp = multiply_add<ComputeType>, typename ConvertOp = NumericConverter<ElementC, ScalarType>>

| void cutlass::reference::host::compute_gemm | ( | gemm::GemmCoord | problem_size, | | | | ScalarType | alpha, | | | | TensorRef< ElementA, LayoutA > | tensor_a, | | | | TensorRef< ElementB, LayoutB > | tensor_b, | | | | ScalarType | beta, | | | | TensorRef< ElementC, LayoutC > | tensor_c, | | | | TensorRef< ElementC, LayoutC > | tensor_d, | | | | ComputeType | initial_accum | | | ) | | |

Computes a general matrix product among matrices (tensors of rank=2) pointed to by TensorRef objects.

template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType , typename ComputeType , typename InnerProductOp = multiply_add<ComputeType>, typename ConvertOp = NumericConverter<ElementC, ScalarType>>

| void cutlass::reference::host::compute_gemm | ( | gemm::GemmCoord | problem_size, | | | | ScalarType | alpha, | | | | TensorRef< ElementA, LayoutA > | tensor_a, | | | | TensorRef< ElementB, LayoutB > | tensor_b, | | | | ScalarType | beta, | | | | TensorRef< ElementC, LayoutC > | tensor_c, | | | | ComputeType | initial_accum | | | ) | | |

Computes a general matrix product among matrices (tensors of rank=2) pointed to by TensorRef objects.

template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType , typename ComputeType , typename ConvertOp = NumericConverter<ElementC, ScalarType>, typename InnerProductOp = multiply_add<ComputeType>>

| void cutlass::reference::host::GemmComplex | ( | gemm::GemmCoord | problem_size, | | | | ScalarType | alpha, | | | | TensorRef< ElementA, LayoutA > | tensor_a, | | | | ComplexTransform | transform_a, | | | | TensorRef< ElementB, LayoutB > | tensor_b, | | | | ComplexTransform | transform_b, | | | | ScalarType | beta, | | | | TensorRef< ElementC, LayoutC > | tensor_c, | | | | ComputeType | initial_accum | | | ) | | |

Computes a general matrix product among matrices (tensors of rank=2) pointed to by TensorRef objects.

Explicitly naming types needed by this template can be cumbersome, particularly for the accumulator type, so a function argument 'initial_accum' is exposed. Passing AccumulatorType(0) as the last function argument can be easier than naming all template arguments explicitly.

template<typename ElementA , typename LayoutA , typename ElementB , typename LayoutB , typename ElementC , typename LayoutC , typename ScalarType >

| void cutlass::reference::host::GemmComplex | ( | gemm::GemmCoord | problem_size, | | | | ScalarType | alpha, | | | | TensorRef< ElementA, LayoutA > | tensor_a, | | | | ComplexTransform | transform_a, | | | | TensorRef< ElementB, LayoutB > | tensor_b, | | | | ComplexTransform | transform_b, | | | | ScalarType | beta, | | | | TensorRef< ElementC, LayoutC > | tensor_c | | | ) | | |

Computes a general matrix product among matrices (tensors of rank=2) pointed to by TensorRef objects.

This assumes the accumulator type is the same type as the scalars.

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB >

| void cutlass::reference::host::TensorAdd | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a, | | | | TensorRef< ElementB, LayoutB > | b | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference | | b | B tensor reference |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA >

| void cutlass::reference::host::TensorAdd | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference |

template<typename Element , typename Layout >

| bool cutlass::reference::host::TensorContains | ( | TensorView< Element, Layout > const & | view, | | | | Element | value | | | ) | | |

< Layout function

template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F >

| void cutlass::reference::host::TensorCopy | ( | TensorView< DstElement, DstLayout > | dst, | | | | TensorView< SrcElement, SrcLayout > | src, | | | | F const & | transform | | | ) | | |

template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F >

| void cutlass::reference::host::TensorCopy | ( | TensorView< DstElement, DstLayout > | dst, | | | | TensorRef< SrcElement, SrcLayout > | src, | | | | F const & | transform | | | ) | | |

Copies elements from a TensorRef into a TensorView. Assumes source tensor has sufficient extent to avoid out of bounds accesses.

template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F >

| void cutlass::reference::host::TensorCopy | ( | TensorRef< DstElement, DstLayout > | dst, | | | | TensorView< SrcElement, SrcLayout > | src, | | | | F const & | transform | | | ) | | |

Copies elements from a TensorRef into a TensorView. Assumes source tensor has sufficient extent to avoid out of bounds accesses.

template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout >

| void cutlass::reference::host::TensorCopy | ( | TensorView< DstElement, DstLayout > | dst, | | | | TensorView< SrcElement, SrcLayout > | src | | | ) | | |

Copies elements from one tensor view into another, satisfying bounds of each tensor. Succeeds if SrcElement can be converted to DstElement.

template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout , typename F >

| void cutlass::reference::host::TensorCopy | ( | TensorView< DstElement, DstLayout > | dst, | | | | TensorRef< SrcElement, SrcLayout > | src | | | ) | | |

Copies elements from one tensor view into another, satisfying bounds of each tensor. Succeeds if SrcElement can be converted to DstElement.

template<typename DstElement , typename DstLayout , typename SrcElement , typename SrcLayout >

| void cutlass::reference::host::TensorCopy | ( | TensorRef< DstElement, DstLayout > | dst, | | | | TensorView< SrcElement, SrcLayout > | src | | | ) | | |

Copies elements from one tensor view into another, satisfying bounds of each tensor. Succeeds if SrcElement can be converted to DstElement.

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorCopyDiagonalIn | ( | TensorView< Element, Layout > | dst, | | | | Element const * | ptr | | | ) | | |

< Layout function

< dense buffer of elements

Parameters

| dst | destination tensor |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorCopyDiagonalOut | ( | Element * | ptr, | | | | TensorView< Element, Layout > | src | | | ) | | |

< Layout function

< source tensor

Parameters

| ptr | dense buffer of elements |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB >

| void cutlass::reference::host::TensorDiv | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a, | | | | TensorRef< ElementB, LayoutB > | b | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference | | b | B tensor reference |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA >

| void cutlass::reference::host::TensorDiv | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference |

template<typename Element , typename Layout >

| bool cutlass::reference::host::TensorEquals | ( | TensorView< Element, Layout > const & | lhs, | | | | TensorView< Element, Layout > const & | rhs | | | ) | | |

< Layout function

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFill | ( | TensorView< Element, Layout > | dst, | | | | Element | val = Element(0) | | | ) | | |

< Layout function

< value to uniformly fill it with

Parameters

| dst | destination tensor |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFillDiagonal | ( | TensorView< Element, Layout > | dst, | | | | Element | diag = Element(1), | | | | Element | other = Element(0) | | | ) | | |

< Layout function

< value to write off the diagonal

Parameters

| dst | destination tensor | | diag | value to write in the diagonal |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFillIdentity | ( | TensorView< Element, Layout > | dst | ) | |

< Layout function

< destination tensor

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFillLinear | ( | TensorView< Element, Layout > | dst, | | | | Array< Element, Layout::kRank > const & | v, | | | | Element | s = Element(0) | | | ) | | |

< Layout function

Parameters

| dst | destination tensor |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFillRandomGaussian | ( | TensorView< Element, Layout > | dst, | | | | uint64_t | seed, | | | | double | mean = 0, | | | | double | stddev = 1, | | | | int | bits = -1 | | | ) | | |

< Layout function

< If non-negative, specifies number of fractional bits that are not truncated to zero. Permits reducing precision of data.

Parameters

| dst | destination tensor | | seed | seed for RNG | | mean | Gaussian distribution's mean | | stddev | Gaussian distribution's standard deviation |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFillRandomUniform | ( | TensorView< Element, Layout > | dst, | | | | uint64_t | seed, | | | | double | max = 1, | | | | double | min = 0, | | | | int | bits = -1 | | | ) | | |

< Layout function

< If non-negative, specifies number of fractional bits that are not truncated to zero. Permits reducing precision of data.

Parameters

| dst | destination tensor | | seed | seed for RNG | | max | upper bound of distribution | | min | lower bound for distribution |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorFillSequential | ( | TensorView< Element, Layout > | dst, | | | | Element | s = Element(0) | | | ) | | |

< Layout function

Parameters

| dst | destination tensor |

template<typename Element , typename Layout >

| std::pair<bool, Coord<Layout::kRank> > cutlass::reference::host::TensorFind | ( | TensorView< Element, Layout > const & | view, | | | | Element | value | | | ) | | |

Returns a pair containing a boolean of whether a value exists in a tensor and the location of the first occurrence. If the value is not contained in the tensor, the second element of the pair is undefined.

template<typename Func , int Rank>

| void cutlass::reference::host::TensorForEach | ( | Coord< Rank > | extent, | | | | Func & | func | | | ) | | |

< rank of index space

template<typename Func , int Rank>

| void cutlass::reference::host::TensorForEachLambda | ( | Coord< Rank > | extent, | | | | Func | func | | | ) | | |

< rank of index space

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB >

| void cutlass::reference::host::TensorModulus | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a, | | | | TensorRef< ElementB, LayoutB > | b | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference | | b | B tensor reference |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA >

| void cutlass::reference::host::TensorModulus | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB >

| void cutlass::reference::host::TensorMul | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a, | | | | TensorRef< ElementB, LayoutB > | b | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference | | b | B tensor reference |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA >

| void cutlass::reference::host::TensorMul | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference |

template<typename Element , typename Layout , typename ElementReduction >

| ElementReduction cutlass::reference::host::TensorNorm | ( | TensorView< Element, Layout > | view, | | | | ElementReduction | accumulator | | | ) | | |

template<typename Element , typename Layout >

| double cutlass::reference::host::TensorNorm | ( | TensorView< Element, Layout > | view | ) | |

template<typename Element , typename Layout >

| bool cutlass::reference::host::TensorNotEquals | ( | TensorView< Element, Layout > const & | lhs, | | | | TensorView< Element, Layout > const & | rhs | | | ) | | |

< Layout function

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB >

| void cutlass::reference::host::TensorSub | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a, | | | | TensorRef< ElementB, LayoutB > | b | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference | | b | B tensor reference |

template<typename ElementD , typename LayoutD , typename ElementA , typename LayoutA , typename ElementB , typename LayoutB >

| void cutlass::reference::host::TensorSub | ( | TensorView< ElementD, LayoutD > | d, | | | | TensorRef< ElementA, LayoutA > | a | | | ) | | |

Parameters

| d | destination tensor view | | a | A tensor reference |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorUpdateDiagonal | ( | TensorView< Element, Layout > | dst, | | | | Element | val = Element(1) | | | ) | | |

< Layout function

Parameters

| dst | destination tensor |

template<typename Element , typename Layout >

| void cutlass::reference::host::TensorUpdateOffDiagonal | ( | TensorView< Element, Layout > | dst, | | | | Element | other = Element(1) | | | ) | | |

< Layout function

Parameters

| dst | destination tensor |


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