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392 lines
13 KiB
C++
392 lines
13 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra.
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//
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// Copyright (C) 2014 Benoit Steiner <benoit.steiner.goog@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla
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// Public License v. 2.0. If a copy of the MPL was not distributed
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// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#define EIGEN_TEST_NO_LONGDOUBLE
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#define EIGEN_TEST_NO_COMPLEX
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#define EIGEN_TEST_FUNC cxx11_tensor_device
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#define EIGEN_DEFAULT_DENSE_INDEX_TYPE int
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#define EIGEN_USE_GPU
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#include "main.h"
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#include <unsupported/Eigen/CXX11/Tensor>
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using Eigen::Tensor;
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using Eigen::RowMajor;
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// Context for evaluation on cpu
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struct CPUContext {
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CPUContext(const Eigen::Tensor<float, 3>& in1, Eigen::Tensor<float, 3>& in2, Eigen::Tensor<float, 3>& out) : in1_(in1), in2_(in2), out_(out), kernel_1d_(2), kernel_2d_(2,2), kernel_3d_(2,2,2) {
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kernel_1d_(0) = 3.14f;
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kernel_1d_(1) = 2.7f;
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kernel_2d_(0,0) = 3.14f;
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kernel_2d_(1,0) = 2.7f;
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kernel_2d_(0,1) = 0.2f;
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kernel_2d_(1,1) = 7.0f;
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kernel_3d_(0,0,0) = 3.14f;
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kernel_3d_(0,1,0) = 2.7f;
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kernel_3d_(0,0,1) = 0.2f;
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kernel_3d_(0,1,1) = 7.0f;
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kernel_3d_(1,0,0) = -1.0f;
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kernel_3d_(1,1,0) = -0.3f;
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kernel_3d_(1,0,1) = -0.7f;
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kernel_3d_(1,1,1) = -0.5f;
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}
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const Eigen::DefaultDevice& device() const { return cpu_device_; }
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const Eigen::Tensor<float, 3>& in1() const { return in1_; }
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const Eigen::Tensor<float, 3>& in2() const { return in2_; }
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Eigen::Tensor<float, 3>& out() { return out_; }
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const Eigen::Tensor<float, 1>& kernel1d() const { return kernel_1d_; }
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const Eigen::Tensor<float, 2>& kernel2d() const { return kernel_2d_; }
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const Eigen::Tensor<float, 3>& kernel3d() const { return kernel_3d_; }
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private:
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const Eigen::Tensor<float, 3>& in1_;
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const Eigen::Tensor<float, 3>& in2_;
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Eigen::Tensor<float, 3>& out_;
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Eigen::Tensor<float, 1> kernel_1d_;
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Eigen::Tensor<float, 2> kernel_2d_;
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Eigen::Tensor<float, 3> kernel_3d_;
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Eigen::DefaultDevice cpu_device_;
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};
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// Context for evaluation on GPU
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struct GPUContext {
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GPUContext(const Eigen::TensorMap<Eigen::Tensor<float, 3> >& in1, Eigen::TensorMap<Eigen::Tensor<float, 3> >& in2, Eigen::TensorMap<Eigen::Tensor<float, 3> >& out) : in1_(in1), in2_(in2), out_(out), gpu_device_(&stream_) {
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assert(cudaMalloc((void**)(&kernel_1d_), 2*sizeof(float)) == cudaSuccess);
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float kernel_1d_val[] = {3.14f, 2.7f};
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assert(cudaMemcpy(kernel_1d_, kernel_1d_val, 2*sizeof(float), cudaMemcpyHostToDevice) == cudaSuccess);
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assert(cudaMalloc((void**)(&kernel_2d_), 4*sizeof(float)) == cudaSuccess);
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float kernel_2d_val[] = {3.14f, 2.7f, 0.2f, 7.0f};
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assert(cudaMemcpy(kernel_2d_, kernel_2d_val, 4*sizeof(float), cudaMemcpyHostToDevice) == cudaSuccess);
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assert(cudaMalloc((void**)(&kernel_3d_), 8*sizeof(float)) == cudaSuccess);
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float kernel_3d_val[] = {3.14f, -1.0f, 2.7f, -0.3f, 0.2f, -0.7f, 7.0f, -0.5f};
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assert(cudaMemcpy(kernel_3d_, kernel_3d_val, 8*sizeof(float), cudaMemcpyHostToDevice) == cudaSuccess);
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assert(cudaStreamCreate(&stream_) == cudaSuccess);
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}
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~GPUContext() {
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assert(cudaFree(kernel_1d_) == cudaSuccess);
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assert(cudaFree(kernel_2d_) == cudaSuccess);
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assert(cudaFree(kernel_3d_) == cudaSuccess);
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assert(cudaStreamDestroy(stream_) == cudaSuccess);
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}
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const Eigen::GpuDevice& device() const { return gpu_device_; }
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const Eigen::TensorMap<Eigen::Tensor<float, 3> >& in1() const { return in1_; }
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const Eigen::TensorMap<Eigen::Tensor<float, 3> >& in2() const { return in2_; }
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Eigen::TensorMap<Eigen::Tensor<float, 3> >& out() { return out_; }
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Eigen::TensorMap<Eigen::Tensor<float, 1> > kernel1d() const { return Eigen::TensorMap<Eigen::Tensor<float, 1> >(kernel_1d_, 2); }
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Eigen::TensorMap<Eigen::Tensor<float, 2> > kernel2d() const { return Eigen::TensorMap<Eigen::Tensor<float, 2> >(kernel_2d_, 2, 2); }
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Eigen::TensorMap<Eigen::Tensor<float, 3> > kernel3d() const { return Eigen::TensorMap<Eigen::Tensor<float, 3> >(kernel_3d_, 2, 2, 2); }
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private:
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const Eigen::TensorMap<Eigen::Tensor<float, 3> >& in1_;
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const Eigen::TensorMap<Eigen::Tensor<float, 3> >& in2_;
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Eigen::TensorMap<Eigen::Tensor<float, 3> >& out_;
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float* kernel_1d_;
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float* kernel_2d_;
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float* kernel_3d_;
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cudaStream_t stream_;
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Eigen::GpuDevice gpu_device_;
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};
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// The actual expression to evaluate
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template <typename Context>
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static void test_contextual_eval(Context* context)
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{
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context->out().device(context->device()) = context->in1() + context->in2() * 3.14f + context->in1().constant(2.718f);
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}
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template <typename Context>
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static void test_forced_contextual_eval(Context* context)
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{
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context->out().device(context->device()) = (context->in1() + context->in2()).eval() * 3.14f + context->in1().constant(2.718f);
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}
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template <typename Context>
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static void test_compound_assignment(Context* context)
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{
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context->out().device(context->device()) = context->in1().constant(2.718f);
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context->out().device(context->device()) += context->in1() + context->in2() * 3.14f;
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}
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template <typename Context>
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static void test_contraction(Context* context)
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{
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Eigen::array<std::pair<int, int>, 2> dims;
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dims[0] = std::make_pair(1, 1);
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dims[1] = std::make_pair(2, 2);
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Eigen::array<int, 2> shape(40, 50*70);
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Eigen::DSizes<int, 2> indices(0,0);
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Eigen::DSizes<int, 2> sizes(40,40);
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context->out().reshape(shape).slice(indices, sizes).device(context->device()) = context->in1().contract(context->in2(), dims);
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}
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template <typename Context>
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static void test_1d_convolution(Context* context)
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{
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Eigen::DSizes<int, 3> indices(0,0,0);
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Eigen::DSizes<int, 3> sizes(40,49,70);
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Eigen::array<int, 1> dims(1);
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context->out().slice(indices, sizes).device(context->device()) = context->in1().convolve(context->kernel1d(), dims);
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}
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template <typename Context>
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static void test_2d_convolution(Context* context)
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{
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Eigen::DSizes<int, 3> indices(0,0,0);
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Eigen::DSizes<int, 3> sizes(40,49,69);
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Eigen::array<int, 2> dims(1,2);
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context->out().slice(indices, sizes).device(context->device()) = context->in1().convolve(context->kernel2d(), dims);
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}
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template <typename Context>
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static void test_3d_convolution(Context* context)
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{
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Eigen::DSizes<int, 3> indices(0,0,0);
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Eigen::DSizes<int, 3> sizes(39,49,69);
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Eigen::array<int, 3> dims(0,1,2);
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context->out().slice(indices, sizes).device(context->device()) = context->in1().convolve(context->kernel3d(), dims);
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}
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static void test_cpu() {
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Eigen::Tensor<float, 3> in1(40,50,70);
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Eigen::Tensor<float, 3> in2(40,50,70);
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Eigen::Tensor<float, 3> out(40,50,70);
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in1 = in1.random() + in1.constant(10.0f);
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in2 = in2.random() + in2.constant(10.0f);
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CPUContext context(in1, in2, out);
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test_contextual_eval(&context);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 50; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), in1(i,j,k) + in2(i,j,k) * 3.14f + 2.718f);
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}
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}
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}
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test_forced_contextual_eval(&context);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 50; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), (in1(i,j,k) + in2(i,j,k)) * 3.14f + 2.718f);
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}
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}
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}
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test_compound_assignment(&context);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 50; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), in1(i,j,k) + in2(i,j,k) * 3.14f + 2.718f);
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}
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}
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}
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test_contraction(&context);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 40; ++j) {
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const float result = out(i,j,0);
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float expected = 0;
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for (int k = 0; k < 50; ++k) {
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for (int l = 0; l < 70; ++l) {
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expected += in1(i, k, l) * in2(j, k, l);
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}
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}
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VERIFY_IS_APPROX(expected, result);
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}
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}
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test_1d_convolution(&context);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 49; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), (in1(i,j,k) * 3.14f + in1(i,j+1,k) * 2.7f));
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}
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}
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}
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test_2d_convolution(&context);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 49; ++j) {
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for (int k = 0; k < 69; ++k) {
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const float result = out(i,j,k);
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const float expected = (in1(i,j,k) * 3.14f + in1(i,j+1,k) * 2.7f) +
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(in1(i,j,k+1) * 0.2f + in1(i,j+1,k+1) * 7.0f);
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if (fabs(expected) < 1e-4 && fabs(result) < 1e-4) {
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continue;
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}
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VERIFY_IS_APPROX(expected, result);
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}
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}
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}
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test_3d_convolution(&context);
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for (int i = 0; i < 39; ++i) {
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for (int j = 0; j < 49; ++j) {
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for (int k = 0; k < 69; ++k) {
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const float result = out(i,j,k);
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const float expected = (in1(i,j,k) * 3.14f + in1(i,j+1,k) * 2.7f +
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in1(i,j,k+1) * 0.2f + in1(i,j+1,k+1) * 7.0f) +
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(in1(i+1,j,k) * -1.0f + in1(i+1,j+1,k) * -0.3f +
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in1(i+1,j,k+1) * -0.7f + in1(i+1,j+1,k+1) * -0.5f);
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if (fabs(expected) < 1e-4 && fabs(result) < 1e-4) {
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continue;
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}
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VERIFY_IS_APPROX(expected, result);
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}
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}
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}
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}
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static void test_gpu() {
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Eigen::Tensor<float, 3> in1(40,50,70);
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Eigen::Tensor<float, 3> in2(40,50,70);
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Eigen::Tensor<float, 3> out(40,50,70);
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in1 = in1.random() + in1.constant(10.0f);
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in2 = in2.random() + in2.constant(10.0f);
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std::size_t in1_bytes = in1.size() * sizeof(float);
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std::size_t in2_bytes = in2.size() * sizeof(float);
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std::size_t out_bytes = out.size() * sizeof(float);
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float* d_in1;
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float* d_in2;
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float* d_out;
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cudaMalloc((void**)(&d_in1), in1_bytes);
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cudaMalloc((void**)(&d_in2), in2_bytes);
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cudaMalloc((void**)(&d_out), out_bytes);
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cudaMemcpy(d_in1, in1.data(), in1_bytes, cudaMemcpyHostToDevice);
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cudaMemcpy(d_in2, in2.data(), in2_bytes, cudaMemcpyHostToDevice);
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Eigen::TensorMap<Eigen::Tensor<float, 3> > gpu_in1(d_in1, 40,50,70);
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Eigen::TensorMap<Eigen::Tensor<float, 3> > gpu_in2(d_in2, 40,50,70);
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Eigen::TensorMap<Eigen::Tensor<float, 3> > gpu_out(d_out, 40,50,70);
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GPUContext context(gpu_in1, gpu_in2, gpu_out);
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test_contextual_eval(&context);
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assert(cudaMemcpy(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost) == cudaSuccess);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 50; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), in1(i,j,k) + in2(i,j,k) * 3.14f + 2.718f);
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}
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}
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}
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test_forced_contextual_eval(&context);
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assert(cudaMemcpy(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost) == cudaSuccess);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 50; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), (in1(i,j,k) + in2(i,j,k)) * 3.14f + 2.718f);
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}
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}
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}
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test_compound_assignment(&context);
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assert(cudaMemcpy(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost) == cudaSuccess);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 50; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), in1(i,j,k) + in2(i,j,k) * 3.14f + 2.718f);
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}
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}
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}
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test_contraction(&context);
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assert(cudaMemcpy(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost) == cudaSuccess);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 40; ++j) {
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const float result = out(i,j,0);
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float expected = 0;
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for (int k = 0; k < 50; ++k) {
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for (int l = 0; l < 70; ++l) {
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expected += in1(i, k, l) * in2(j, k, l);
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}
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}
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VERIFY_IS_APPROX(expected, result);
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}
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}
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test_1d_convolution(&context);
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assert(cudaMemcpyAsync(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost, context.device().stream()) == cudaSuccess);
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assert(cudaStreamSynchronize(context.device().stream()) == cudaSuccess);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 49; ++j) {
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for (int k = 0; k < 70; ++k) {
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VERIFY_IS_APPROX(out(i,j,k), (in1(i,j,k) * 3.14f + in1(i,j+1,k) * 2.7f));
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}
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}
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}
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test_2d_convolution(&context);
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assert(cudaMemcpyAsync(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost, context.device().stream()) == cudaSuccess);
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assert(cudaStreamSynchronize(context.device().stream()) == cudaSuccess);
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for (int i = 0; i < 40; ++i) {
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for (int j = 0; j < 49; ++j) {
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for (int k = 0; k < 69; ++k) {
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const float result = out(i,j,k);
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const float expected = (in1(i,j,k) * 3.14f + in1(i,j+1,k) * 2.7f +
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in1(i,j,k+1) * 0.2f + in1(i,j+1,k+1) * 7.0f);
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VERIFY_IS_APPROX(expected, result);
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}
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}
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}
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test_3d_convolution(&context);
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assert(cudaMemcpyAsync(out.data(), d_out, out_bytes, cudaMemcpyDeviceToHost, context.device().stream()) == cudaSuccess);
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assert(cudaStreamSynchronize(context.device().stream()) == cudaSuccess);
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for (int i = 0; i < 39; ++i) {
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for (int j = 0; j < 49; ++j) {
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for (int k = 0; k < 69; ++k) {
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const float result = out(i,j,k);
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const float expected = (in1(i,j,k) * 3.14f + in1(i,j+1,k) * 2.7f +
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in1(i,j,k+1) * 0.2f + in1(i,j+1,k+1) * 7.0f +
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in1(i+1,j,k) * -1.0f + in1(i+1,j+1,k) * -0.3f +
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in1(i+1,j,k+1) * -0.7f + in1(i+1,j+1,k+1) * -0.5f);
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VERIFY_IS_APPROX(expected, result);
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}
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}
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}
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}
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void test_cxx11_tensor_device()
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{
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CALL_SUBTEST(test_cpu());
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CALL_SUBTEST(test_gpu());
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}
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