onnxruntime/onnxruntime/python/onnxruntime_pybind_sparse_tensor.cc
Dmitri Smirnov 950fe5e28b
Implement SparseTensor and infrastructure suppport and advance ONNX commit (#8038)
SparseTensor support
  Implement Builder pattern
  Fix support for 1-D and 2-D COO indices
  Implement and test CSR support.
  Handle shape inference for SparseTensors
  Implement conversion for COO, CSR and tests.
  Address the case where constant sparse initializer is the output.
  Implement test infra for SparseTensors
  Implement SparseDenseMatMul for Csr and COO and tested it.
  Add hash for SparseToDenseMatMul
  Finish shared provider refactor
  Refactor GetOrCreate to Create
  Working on py interface
  Expose OrtDevice and use it in allocate_numpy
	Adjust Sparse interfaces, add support for string SparseTensor. Add tests.
	Add and test to_cuda()
	Add accessors to format specific indices
	Test values and indices views, read-only flag, after GC access
	Add sparse related methods to OrtValue
	Re-work SparseTensor wrapper, add OrtValue methods
	Rework numpy_array_to_cuda/to_cpu
	Add run_with_ort_values
	Add models and test sparse_mat_mul with run_with_ort_values
	Refactor sparse tensor to use a single buffer
        Ifdef x86 Eigen CSR sparse matmul implementation
        Exclude broken test, check for string type when copying cross device
       Split pybind schema, regenerate docs, add exclusion
       Conditionally exclude schema module
       Update docs fix cuda build
       Add test to a filter and renerate JS docs
      Add conversion and test string support for sparse tensors
      Exclude conversion utils from minimal build
      Add CUDA Memcpy and adjust provider interfaces
2021-07-22 15:24:36 -07:00

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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
#include "onnxruntime_pybind_mlvalue.h"
#include "python/onnxruntime_pybind_state_common.h"
#include "pybind11/numpy.h"
#define NO_IMPORT_ARRAY
#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
#define PY_ARRAY_UNIQUE_SYMBOL onnxruntime_python_ARRAY_API
#include <numpy/arrayobject.h>
#include "core/framework/tensor_shape.h"
#include "core/framework/tensor.h"
#include "core/framework/sparse_tensor.h"
#include "core/framework/allocator.h"
#include "core/framework/data_types.h"
#include "core/framework/data_types_internal.h"
#include "core/providers/get_execution_providers.h"
#include "core/framework/kernel_registry.h"
#include "core/framework/provider_options_utils.h"
#include "core/session/provider_bridge_ort.h"
namespace onnxruntime {
namespace python {
namespace py = pybind11;
using namespace onnxruntime::logging;
namespace {
// Create a pybind11:dtype numpy instance using ONNX Tensor Element Type
template <typename T>
struct MakeDType {
py::dtype operator()() const {
return py::dtype::of<T>();
}
};
/// <summary>
/// The function creates a numpy array that points to
/// data stored within the corresponing tensor. Parent object
/// holds a reference to the object that owns the data so it
/// does not disappear.
/// </summary>
/// <returns>numpy array</returns>
py::array MakeNumpyArrayFromIndices(const Tensor& indices, const py::object& parent) {
// See https://github.com/pybind/pybind11/issues/2271 for more information on parent
py::array result(indices.Shape().GetDims(), indices.Data<int64_t>(), parent);
assert(!result.owndata());
// Set a read-only flag
PyArray_CLEARFLAGS(reinterpret_cast<PyArrayObject*>(result.ptr()), NPY_ARRAY_WRITEABLE);
return result;
}
} // namespace
class PySparseCooView : public SparseTensor::CooView {
py::object parent_;
public:
PySparseCooView(const SparseTensor::CooView& view, const py::object& parent) noexcept
: SparseTensor::CooView(view), parent_(parent) {}
};
class PySparseCsrView : public SparseTensor::CsrView {
py::object parent_;
public:
PySparseCsrView(const SparseTensor::CsrView& view, const py::object& parent) noexcept
: SparseTensor::CsrView(view), parent_(parent) {}
};
class PySparseBlockSparseView : public SparseTensor::BlockSparseView {
py::object parent_;
public:
PySparseBlockSparseView(const SparseTensor::BlockSparseView& view, const py::object& parent) noexcept
: SparseTensor::BlockSparseView(view), parent_(parent) {}
};
void addSparseTensorMethods(pybind11::module& m) {
py::enum_<OrtSparseFormat>(m, "OrtSparseFormat")
.value("ORT_SPARSE_UNDEFINED", OrtSparseFormat::ORT_SPARSE_UNDEFINED)
.value("ORT_SPARSE_COO", OrtSparseFormat::ORT_SPARSE_COO)
.value("ORT_SPARSE_CSRC", OrtSparseFormat::ORT_SPARSE_CSRC)
.value("ORT_SPARSE_BLOCK_SPARSE", OrtSparseFormat::ORT_SPARSE_BLOCK_SPARSE);
py::class_<PySparseCooView>(m, "SparseCooView")
// Returns a numpy array of COO indices backed by Sparse Tensor memory
// be aware that indices may reside on GPU if Sparse Tensor is on GPU
.def("indices", [](const PySparseCooView* view) -> py::array {
const auto& indices = view->Indices();
return MakeNumpyArrayFromIndices(indices, py::cast(*view));
});
py::class_<PySparseCsrView>(m, "SparseCsrView")
.def("inner", [](const PySparseCsrView* view) -> py::array {
const auto& indices = view->Inner();
return MakeNumpyArrayFromIndices(indices, py::cast(*view));
})
.def("outer", [](const PySparseCsrView* view) -> py::array {
const auto& indices = view->Outer();
return MakeNumpyArrayFromIndices(indices, py::cast(*view));
});
py::class_<PySparseBlockSparseView>(m, "SparseBlockSparseView")
.def("indices", [](const PySparseBlockSparseView* view) -> py::array {
const auto& indices = view->Indices();
return MakeNumpyArrayFromIndices(indices, py::cast(*view));
});
py::class_<PySparseTensor> sparse_bind(m, "SparseTensor");
// Factory method to create a COO Sparse Tensor from numpy arrays acting as backing storage.
// Numeric arrays memory is used as is with reference count increment. All other supported
// types are copied and supported only on CPU.
// Use numpy.ascontiguousarray() to obtain contiguous array of values and indices if necessary
// py_dense_shape - numpy dense shape of the sparse tensor
// py_values - contiguous and homogeneous numpy array of values
// py_indices - contiguous numpy array of int64_t indices
// ort_device - where the value and indices buffers are allocated. For non-primitive types,
// only cpu device is supported. There is not a way to verify that ort_device
// accurately describes the memory that is backing values and indices.
sparse_bind
.def_static("sparse_coo_from_numpy", [](const std::vector<int64_t>& py_dense_shape, const py::array& py_values, const py::array_t<int64_t>& py_indices, const OrtDevice& ort_device) -> std::unique_ptr<PySparseTensor> {
if (1 != py_values.ndim()) {
ORT_THROW("Expecting values 1-D numpy values array for COO format. Got dims: ", py_values.ndim());
}
TensorShape dense_shape(py_dense_shape);
auto values_type = GetNumpyArrayType(py_values);
auto ml_type = NumpyToOnnxRuntimeTensorType(values_type);
std::unique_ptr<PySparseTensor> result;
if (IsNumericNumpyType(values_type)) {
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_values.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of values");
}
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_indices.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of indices");
}
// create references to make sure storage does not disappear
std::vector<py::object> reference_holders = {py_values, py_indices};
OrtMemoryInfo mem_info = GetMemoryInfoPerDeviceType(ort_device);
TensorShape values_shape{py_values.size()};
auto sparse_tensor = std::make_unique<SparseTensor>(ml_type, dense_shape, values_shape,
const_cast<void*>(py_values.data()), mem_info);
auto index_span = gsl::make_span(const_cast<int64_t*>(py_indices.data()), py_indices.size());
ORT_THROW_IF_ERROR(sparse_tensor->UseCooIndices(index_span));
result = std::make_unique<PySparseTensor>(std::move(sparse_tensor), std::move(reference_holders));
} else if (values_type == NPY_UNICODE || values_type == NPY_STRING) {
if (ort_device.Type() != OrtDevice::CPU) {
throw std::runtime_error("Only CPU based devices are supported for non-numeric datatypes");
}
auto sparse_tensor = std::make_unique<SparseTensor>(ml_type, dense_shape, GetAllocator());
auto mutator = sparse_tensor->MakeCooData(py_values.size(), py_indices.size());
CopyDataToTensor(py_values, values_type, mutator.Values());
CopyDataToTensor(py_indices, GetNumpyArrayType(py_indices), mutator.Indices());
result = std::make_unique<PySparseTensor>(std::move(sparse_tensor));
} else {
ORT_THROW("Unsupported values data type: ", values_type);
}
return result;
})
// Factory method to create a CSR Sparse Tensor from numpy arrays acting as backing storage.
// Numeric arrays memory is used as is with reference count increment. All other supported
// types are copied and supported only on CPU.
// Use numpy.ascontiguousarray() to obtain contiguous array of values and indices if necessary
// py_dense_shape - numpy dense shape of the sparse tensor
// py_values - contiguous and homogeneous numpy array of values
// py_inner_indices - contiguous numpy array of int64_t indices
// py_outer_indices - contiguous numpy array of int64_t indices
// ort_device - where the value and indices buffers are allocated. For non-primitive types,
// only cpu device is supported. There is not a way to verify that ort_device
// accurately describes the memory that is backing values and indices.
.def_static("sparse_csr_from_numpy", [](const std::vector<int64_t>& py_dense_shape, const py::array& py_values, const py::array_t<int64_t>& py_inner_indices, const py::array_t<int64_t>& py_outer_indices, const OrtDevice& ort_device) -> std::unique_ptr<PySparseTensor> {
if (1 != py_values.ndim() || 1 != py_inner_indices.ndim() || 1 != py_outer_indices.ndim()) {
ORT_THROW("Expecting all data to be 1-D numpy arrays for CSR format.");
}
TensorShape dense_shape(py_dense_shape);
auto values_type = GetNumpyArrayType(py_values);
auto ml_type = NumpyToOnnxRuntimeTensorType(values_type);
std::unique_ptr<PySparseTensor> result;
if (IsNumericNumpyType(values_type)) {
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_values.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of values");
}
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_inner_indices.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of indices");
}
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_outer_indices.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of indices");
}
// go ahead and create references to make sure storage does not disappear
std::vector<py::object> reference_holders = {py_values, py_inner_indices, py_outer_indices};
OrtMemoryInfo mem_info = GetMemoryInfoPerDeviceType(ort_device);
TensorShape values_shape{py_values.size()};
auto sparse_tensor = std::make_unique<SparseTensor>(ml_type, dense_shape, values_shape,
const_cast<void*>(py_values.data()), mem_info);
auto inner_span = gsl::make_span<int64_t>(const_cast<int64_t*>(py_inner_indices.data()), py_inner_indices.size());
auto outer_span = gsl::make_span<int64_t>(const_cast<int64_t*>(py_outer_indices.data()), py_outer_indices.size());
ORT_THROW_IF_ERROR(sparse_tensor->UseCsrIndices(inner_span, outer_span));
result = std::make_unique<PySparseTensor>(std::move(sparse_tensor), std::move(reference_holders));
} else if (values_type == NPY_UNICODE || values_type == NPY_STRING) {
if (ort_device.Type() != OrtDevice::CPU) {
throw std::runtime_error("Only CPU based devices are supported for non-numeric datatypes");
}
auto sparse_tensor = std::make_unique<SparseTensor>(ml_type, dense_shape, GetAllocator());
auto mutator = sparse_tensor->MakeCsrData(py_values.size(), py_inner_indices.size(), py_outer_indices.size());
CopyDataToTensor(py_values, values_type, mutator.Values());
CopyDataToTensor(py_inner_indices, GetNumpyArrayType(py_inner_indices), mutator.Inner());
CopyDataToTensor(py_outer_indices, GetNumpyArrayType(py_outer_indices), mutator.Outer());
result = std::make_unique<PySparseTensor>(std::move(sparse_tensor));
} else {
ORT_THROW("Unsupported values data type: ", values_type);
}
return result;
})
// Factory method to create a BlockSparse Tensor from numpy arrays acting as backing storage.
// Numeric arrays memory is used as is with reference count increment. All other supported
// types are copied and supported only on CPU.
// Use numpy.ascontiguousarray() to obtain contiguous array of values and indices if necessary
// py_dense_shape - numpy dense shape of the sparse tensor
// ort_device - desribes the allocation. Only primitive types allocations can be mapped to
// py_values - contiguous and homogeneous numpy array of values
// py_indices - contiguous numpy array of int32_t indices
// ort_device - where the value and indices buffers are allocated. For non-primitive types,
// only cpu device is supported. There is not a way to verify that ort_device
// accurately describes the memory that is backing values and indices.
.def_static("blocksparse_from_numpy", [](const std::vector<int64_t>& py_dense_shape, const py::array& py_values, const py::array_t<int32_t>& py_indices, const OrtDevice& ort_device) -> std::unique_ptr<PySparseTensor> {
TensorShape dense_shape(py_dense_shape);
TensorShape values_shape = GetShape(py_values);
TensorShape index_shape = GetShape(py_indices);
auto values_type = GetNumpyArrayType(py_values);
auto ml_type = NumpyToOnnxRuntimeTensorType(values_type);
std::unique_ptr<PySparseTensor> result;
if (IsNumericNumpyType(values_type)) {
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_values.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of values");
}
if (!PyArray_ISCONTIGUOUS(reinterpret_cast<PyArrayObject*>(py_indices.ptr()))) {
throw std::runtime_error("Require contiguous numpy array of indices");
}
// create references to make sure storage does not disappear
std::vector<py::object> reference_holders = {py_values, py_indices};
OrtMemoryInfo mem_info = GetMemoryInfoPerDeviceType(ort_device);
auto sparse_tensor = std::make_unique<SparseTensor>(ml_type, dense_shape, values_shape,
const_cast<void*>(py_values.data()), mem_info);
ORT_THROW_IF_ERROR(sparse_tensor->UseBlockSparseIndices(index_shape, const_cast<int32_t*>(py_indices.data())));
result = std::make_unique<PySparseTensor>(std::move(sparse_tensor), std::move(reference_holders));
} else if (values_type == NPY_UNICODE || values_type == NPY_STRING) {
if (ort_device.Type() != OrtDevice::CPU) {
throw std::runtime_error("Only CPU based devices are supported for non-numeric datatypes");
}
auto sparse_tensor = std::make_unique<SparseTensor>(ml_type, dense_shape, GetAllocator());
auto mutator = sparse_tensor->MakeBlockSparseData(values_shape, index_shape);
CopyDataToTensor(py_values, values_type, mutator.Values());
CopyDataToTensor(py_indices, GetNumpyArrayType(py_indices), mutator.Indices());
result = std::make_unique<PySparseTensor>(std::move(sparse_tensor));
} else {
ORT_THROW("Unsupported values data type: ", values_type);
}
return result;
})
// Returns a numpy array that is backed by SparseTensor values memory
// be aware that it may be on GPU
.def("values", [](const PySparseTensor* py_tensor) -> py::array {
const SparseTensor& sparse_tensor = py_tensor->Instance();
if (sparse_tensor.Format() == SparseFormat::kUndefined) {
ORT_THROW("This sparse tensor instance does not contain data");
}
if (sparse_tensor.IsDataTypeString()) {
// Strings can not be on GPU and require conversion UTF-8 to Python UNICODE
// We need to create a copy.
const int numpy_type = OnnxRuntimeTensorToNumpyType(DataTypeImpl::GetType<std::string>());
ORT_ENFORCE(NPY_OBJECT == numpy_type, "We are expecting to map strings to NPY_OBJECT type");
const auto& values_shape = sparse_tensor.Values().Shape();
py::dtype dtype("object");
py::array result(dtype, values_shape.GetDims(), {});
auto* out_ptr = static_cast<py::object*>(
PyArray_DATA(reinterpret_cast<PyArrayObject*>(result.ptr())));
const std::string* src = sparse_tensor.Values().Data<std::string>();
for (int64_t i = 0, size = values_shape.Size(); i < size; ++i, src++) {
out_ptr[i] = py::cast(*src);
}
return result;
} else {
utils::MLTypeCallDispatcher<float, double, int8_t, uint8_t, int16_t, uint16_t, int32_t, uint32_t, int64_t, uint64_t>
t_disp(sparse_tensor.GetElementType());
auto dtype = t_disp.InvokeRet<py::dtype, MakeDType>();
const auto& values = sparse_tensor.Values();
// See https://github.com/pybind/pybind11/issues/2271
py::array result(dtype, values.Shape().GetDims(), values.DataRaw(), py::cast(*py_tensor));
assert(!result.owndata());
// Set a read-only flag
PyArray_CLEARFLAGS(reinterpret_cast<PyArrayObject*>(result.ptr()), NPY_ARRAY_WRITEABLE);
return result;
}
})
// Returns a Coo view of data
.def("get_coo_data", [](const PySparseTensor* py_tensor) -> std::unique_ptr<PySparseCooView> {
const SparseTensor& sparse_tensor = py_tensor->Instance();
if (sparse_tensor.Format() != SparseFormat::kCoo) {
ORT_THROW("This sparse tensor does not contain COO format");
}
return std::make_unique<PySparseCooView>(sparse_tensor.AsCoo(), py::cast(*py_tensor));
})
// Returns a CSR view of data
.def("get_csrc_data", [](const PySparseTensor* py_tensor) -> std::unique_ptr<PySparseCsrView> {
const SparseTensor& sparse_tensor = py_tensor->Instance();
if (sparse_tensor.Format() != SparseFormat::kCsrc) {
ORT_THROW("This sparse tensor does not contain CSR(C) format");
}
return std::make_unique<PySparseCsrView>(sparse_tensor.AsCsr(), py::cast(*py_tensor));
})
// Returns a blocksparse view of data
.def("get_blocksparse_data", [](const PySparseTensor* py_tensor) -> std::unique_ptr<PySparseBlockSparseView> {
const SparseTensor& sparse_tensor = py_tensor->Instance();
if (sparse_tensor.Format() != SparseFormat::kBlockSparse) {
ORT_THROW("This sparse tensor does not contain BlockSparse format");
}
return std::make_unique<PySparseBlockSparseView>(sparse_tensor.AsBlockSparse(), py::cast(*py_tensor));
})
/// This will copy SparseTensor into a new instance on a specified CUDA device or throw:
/// - if this sparse tensor contains strings
/// - if this sparse tensor is already on GPU
/// - if CUDA is not present in this build
/// - if the specified device is not valid
#ifdef USE_CUDA
.def("to_cuda", [](const PySparseTensor* py_tensor, const OrtDevice& ort_device) -> std::unique_ptr<PySparseTensor> {
const SparseTensor& sparse_tensor = py_tensor->Instance();
if (sparse_tensor.IsDataTypeString()) {
ORT_THROW("Can not copy string tensor to GPU devices.");
}
if (sparse_tensor.Location().device.Type() == OrtDevice::GPU) {
ORT_THROW("This sparse_tensor is already allocated on cuda. Cross device copy not supported.");
}
if (!IsCudaDeviceIdValid(logging::LoggingManager::DefaultLogger(), ort_device.Id())) {
ORT_THROW("The provided device id doesn't match any available GPUs on the machine: ", ort_device.Id());
}
auto cuda_allocator = GetCudaAllocator(ort_device.Id());
auto gpu_transfer = GetGPUDataTransfer();
auto dest_tensor = std::make_unique<SparseTensor>(sparse_tensor.DataType(), sparse_tensor.DenseShape(), std::move(cuda_allocator));
ORT_THROW_IF_ERROR(sparse_tensor.Copy(*gpu_transfer, *dest_tensor, 0));
auto result = std::make_unique<PySparseTensor>(std::move(dest_tensor));
return result;
#else
.def("to_cuda", [](const PySparseTensor*, const OrtDevice&) {
ORT_THROW("Cuda is not available in this build");
#endif // USE_CUDA
})
.def("dense_shape", [](const PySparseTensor* py_tensor) -> py::list {
const SparseTensor& st = py_tensor->Instance();
const auto& dims = st.DenseShape().GetDims();
// We create a copy of dimensions, it is small
py::list py_dims;
for (auto d : dims) {
py_dims.append(d);
}
return py_dims;
})
.def("device_name", [](const PySparseTensor* py_tensor) -> std::string {
return std::string(GetDeviceName(py_tensor->Instance().Location().device));
})
.def("data_type", [](const PySparseTensor* py_tensor) -> std::string {
const SparseTensor& tensor = py_tensor->Instance();
const auto elem_type = tensor.GetElementType();
const auto* type_proto = DataTypeImpl::SparseTensorTypeFromONNXEnum(elem_type)->GetTypeProto();
if (type_proto == nullptr) {
ORT_THROW("Unknown type of SparseTensor: ", tensor.DataType());
}
return *ONNX_NAMESPACE::Utils::DataTypeUtils::ToType(*type_proto);
})
// pybind apparently has a bug with returning enums from def_property_readonly or methods
// returning a method object instead of the enumeration value
// so we are using def_property and throw on a potential modificaiton
.def_property(
"format", [](const PySparseTensor* py_tensor) -> OrtSparseFormat {
const SparseTensor& tensor = py_tensor->Instance();
auto retval = OrtSparseFormat::ORT_SPARSE_UNDEFINED;
switch (tensor.Format()) {
case SparseFormat::kUndefined:
break;
case SparseFormat::kCoo:
retval = OrtSparseFormat::ORT_SPARSE_COO;
break;
case SparseFormat::kCsrc:
retval = OrtSparseFormat::ORT_SPARSE_CSRC;
break;
case SparseFormat::kBlockSparse:
retval = OrtSparseFormat::ORT_SPARSE_BLOCK_SPARSE;
break;
default:
throw std::runtime_error("Can't switch on FormatFlags()");
}
return retval; }, [](PySparseTensor*, OrtSparseFormat) -> void { throw std::runtime_error("This is a readonly property"); });
}
} // namespace python
} // namespace onnxruntime