void testMatrix::testMatrices()
{
Vector4 testTransV = Vector4(4,5,6,1);
Matrix4x4 testTrans = Matrix4x4(1,0,0,-4,0,1,0,-5,0,0,1,-6,0,0,0,1);
Matrix4x4 testRotZ90 = Matrix4x4(0.f,-1.f,0.f,0.f,1.f,0.f,0.f,0.f,0.f,0.f,1.f,0.f,0.f,0.f,0.f,1.f);
Matrix4x4 testRotY90 = Matrix4x4(0.f,0.f,1.f,0.f,0.f,1.f,0.f,0.f,-1.f,0.f,0.f,0.f,0.f,0.f,0.f,1.f);
Matrix4x4 testRotX90 = Matrix4x4(1.f,0.f,0.f,0.f,0.f,0.f,-1.f,0.f,0.f,1.f,0.f,0.f,0.f,0.f,0.f,1.f);
//y
Matrix4x4 testRot1 = getRotMat(Vector4(0,0,0,1),Vector4(0,1,0,1),90);
//x
Matrix4x4 testRot2 = getRotMat(Vector4(0,0,0,1),Vector4(1,0,0,1), 90);
//z
Matrix4x4 testRot3 = getRotMat(Vector4(0,0,0,1),Vector4(0,0,1,1), 90);
Matrix4x4 trz90 = getRotZMat(M_PI/2);
Matrix4x4 try90 = getRotYMat(M_PI/2);
Matrix4x4 trx90 = getRotXMat(M_PI/2);
Matrix4x4 trans = getTransMat(testTransV);
//Test rotation on z axis
compareMatrices(&testRotZ90,&trz90);
//Z axis as arbitrary rotation
compareMatrices(&testRotZ90,&testRot3);
//inverses are equivalent:
compareMatrices(&getInvRotZMat(M_PI/2),&getInvRotMat(Vector4(0,0,0,1),Vector4(0,0,1,1),90));
//Test rotation on y axis
compareMatrices(&testRotY90,&try90);
//Y axis as arbitrary rotation
compareMatrices(&testRotY90,&testRot1);
//inverses are equivalent:
compareMatrices(&getInvRotYMat(M_PI/2),&getInvRotMat(Vector4(0,0,0,1),Vector4(0,1,0,1),90));
//Test rotation on x axis
compareMatrices(&testRotX90,&trx90);
//X axis as arbitrary rotation
compareMatrices(&testRotX90,&testRot2);
//inverses are equivalent:
compareMatrices(&getInvRotXMat(M_PI/2),&getInvRotMat(Vector4(0,0,0,1),Vector4(1,0,0,1),90));
//test translation
compareMatrices(&testTrans,&trans);
}
TEST_F(ExoticaVelSolverTest, IFT) //!< Inverse-computation Function Test
{
//!< Temporaries
Eigen::MatrixXd test_matrix;
tinyxml2::XMLDocument xml_document;
boost::shared_ptr<tinyxml2::XMLHandle> xml_handle_ptr;
//!< Load the Matrix for inversion testing
ASSERT_EQ(tinyxml2::XML_NO_ERROR, xml_document.LoadFile((resource_path_ + std::string("../storage.xml")).c_str()));
xml_handle_ptr.reset(new tinyxml2::XMLHandle(xml_document.RootElement()));
ASSERT_NE(nullptr, xml_handle_ptr->FirstChildElement("InvertibleMatrix").ToElement());
ASSERT_TRUE(exotica::getMatrix(*(xml_handle_ptr->FirstChildElement("InvertibleMatrix").ToElement()), test_matrix));
//!< Now iterate through all the registered velocity solvers
for (int i=0; i<registered_types_.size(); i++)//!< Iterate through the registered tasks
{
std::string xml_path;
if (exotica::TestRegistrar::Instance()->findXML(registered_types_[i], xml_path)) //!< If it is wished to be tested...
{
if (xml_document.LoadFile((resource_path_ + xml_path).c_str()) != tinyxml2::XML_NO_ERROR) //!< Attempt to load file
{
ADD_FAILURE() << " : Could not Load initialiser for " << registered_types_[i] << " (file: "<<resource_path_ + xml_path <<")."; //!< Have to use this method to add failure since I do not want to continue for this object but do not wish to abort for all the others...
continue;//!< Go to next object
}
if (!(vel_solv_ptr_ = exotica::VelocitySolverCreator::Instance()->createObject(registered_types_[i], params_))) //!< If we could not create
{
ADD_FAILURE() << " : Could not create object of type " << registered_types_[i]; //!< Have to use this method to add failure since I do not want to continue for this object but do not wish to abort for all the others...
continue;//!< Go to next object
}
xml_handle_ptr.reset(new tinyxml2::XMLHandle(xml_document.RootElement())); //!< Get handle to root element
*xml_handle_ptr = xml_handle_ptr->FirstChildElement("VelocitySolver");//!< Locate the child
if (!vel_solv_ptr_->initBase(*xml_handle_ptr))
{
ADD_FAILURE() << " : Could not initialise " << registered_types_[i];
continue;
}
Eigen::MatrixXd temp_inverse;
if (!vel_solv_ptr_->getInverse(test_matrix, Eigen::MatrixXd::Identity(30,30)*0.0000001, Eigen::MatrixXd::Identity(30,30), temp_inverse)) //!< Since we know matrix is perfectly invertible
{
ADD_FAILURE() << " : Could not compute inverse for " << registered_types_[i];
continue;
}
if (temp_inverse.rows() == 30 and temp_inverse.cols() == 30)
{
EXPECT_TRUE(compareMatrices(Eigen::MatrixXd::Identity(30,30), test_matrix*temp_inverse, TOLERANCE_L));
}
else
{
ADD_FAILURE() << " : Jacobian computation for " << registered_types_[i] << " incorrect";
continue;
}
}
}
}
inline int compareAndSum(int val,const pair<MyMat,MyMat > &p) {
return val+compareMatrices(p.first,p.second);
}
//////////////////////////////////////////////////////////////////////////////
// Main function
//////////////////////////////////////////////////////////////////////////////
int main(int argc, char** argv) {
// Create a context
cl::Context context(CL_DEVICE_TYPE_GPU);
// Get a device of the context
int deviceNr = argc < 2 ? 1 : atoi(argv[1]);
std::cout << "Using device " << deviceNr << " / " << context.getInfo<CL_CONTEXT_DEVICES>().size() << std::endl;
ASSERT (deviceNr > 0);
ASSERT ((size_t) deviceNr <= context.getInfo<CL_CONTEXT_DEVICES>().size());
cl::Device device = context.getInfo<CL_CONTEXT_DEVICES>()[deviceNr - 1];
std::vector<cl::Device> devices;
devices.push_back(device);
OpenCL::printDeviceInfo(std::cout, device);
// Create a command queue
cl::CommandQueue queue(context, device, CL_QUEUE_PROFILING_ENABLE);
// Declare some values
std::size_t wgSize = 16;
std::size_t countAX_BY = 512;
std::size_t countAY = 1024;
std::size_t countBX = 768;
std::size_t countCX = countBX;
std::size_t countCY = countAY;
std::size_t countA = countAX_BY * countAY;
std::size_t countB = countBX * countAX_BY;
std::size_t countC = countCX * countCY;
std::size_t sizeA = countA * sizeof (float);
std::size_t sizeB = countB * sizeof (float);
std::size_t sizeC = countC * sizeof (float);
// Load the source code
cl::Program program = OpenCL::loadProgramSource(context, "src/OpenCLExercise4_MatrixMultiplication.cl");
// Compile the source code. This is similar to program.build(devices) but will print more detailed error messages
// This will pass the value of wgSize as a preprocessor constant "WG_SIZE" to the OpenCL C compiler
OpenCL::buildProgram(program, devices, "-DWG_SIZE=" + boost::lexical_cast<std::string>(wgSize));
// Allocate space for output data from CPU and GPU on the host
std::vector<float> h_inputA (countA);
std::vector<float> h_inputB (countB);
std::vector<float> h_outputCCpu (countC);
std::vector<float> h_outputCAtlas (countC);
std::vector<float> h_outputCGpu (countC);
// Allocate space for input and output data on the device
cl::Buffer d_inputA (context, CL_MEM_READ_WRITE, sizeA);
cl::Buffer d_inputB (context, CL_MEM_READ_WRITE, sizeB);
cl::Buffer d_outputC (context, CL_MEM_READ_WRITE, sizeC);
cl::Image2D d_inputAImg (context, CL_MEM_READ_ONLY, cl::ImageFormat(CL_R, CL_FLOAT), countAX_BY, countAY);
cl::Image2D d_inputBImg (context, CL_MEM_READ_ONLY, cl::ImageFormat(CL_R, CL_FLOAT), countBX, countAX_BY);
// Initialize memory to 0xff (useful for debugging because otherwise GPU memory will contain information from last execution)
memset(h_inputA.data(), 255, sizeA);
memset(h_inputB.data(), 255, sizeB);
memset(h_outputCCpu.data(), 255, sizeC);
memset(h_outputCAtlas.data(), 255, sizeC);
memset(h_outputCGpu.data(), 255, sizeC);
//TODO: GPU
queue.enqueueWriteBuffer(d_inputA, true, 0, sizeA, h_inputA.data());
queue.enqueueWriteBuffer(d_inputB, true, 0, sizeB, h_inputB.data());
queue.enqueueWriteBuffer(d_outputC, true, 0, sizeC, h_outputCGpu.data());
//////// Generate input data ////////////////////////////////
// Use random input data
for (std::size_t i = 0; i < countA; i++)
h_inputA[i] = (rand() % 100) / 5.0f - 10.0f;
for (std::size_t i = 0; i < countB; i++)
h_inputB[i] = (rand() % 100) / 5.0f - 10.0f;
// Use integer numbers as data
/*
for (std::size_t i = 0; i < countA; i++)
h_inputA[i] = i;
for (std::size_t i = 0; i < countB; i++)
h_inputB[i] = (int)i - 5;
*/
// Do calculation on the host side
Core::TimeSpan cpuStart = Core::getCurrentTime();
matrixMulHost(h_inputA, h_inputB, h_outputCCpu, countAX_BY, countAY, countBX);
Core::TimeSpan cpuEnd = Core::getCurrentTime();
// Do calculation on using libatlas
Core::TimeSpan atlasStart = Core::getCurrentTime();
cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, countAY, countBX, countAX_BY, 1.0, h_inputA.data(), countAX_BY, h_inputB.data(), countBX, 0.0, h_outputCAtlas.data(), countCX);
Core::TimeSpan atlasEnd = Core::getCurrentTime();
Core::TimeSpan cpuTime = cpuEnd - cpuStart;
Core::TimeSpan atlasTime = atlasEnd - atlasStart;
printPerformanceHeader();
printPerformance("CPU", cpuTime, atlasTime);
printPerformance("Atlas", atlasTime, atlasTime);
if (!compareMatrices(h_outputCCpu, "CPU", h_outputCAtlas, "Atlas", countCX, countCY))
return 1;
// Copy input data to device
cl::Event copy1;
cl::Event copy2;
queue.enqueueWriteBuffer(d_inputA, true, 0, sizeA, h_inputA.data(), NULL, ©1);
queue.enqueueWriteBuffer(d_inputB, true, 0, sizeB, h_inputB.data(), NULL, ©2);
// Iterate over all implementations (task 1 - 2)
for (int impl = 1; impl <= 4; impl++) {
// Reinitialize output memory to 0xff
memset(h_outputCGpu.data(), 255, sizeC);
queue.enqueueWriteBuffer(d_outputC, true, 0, sizeC, h_outputCGpu.data());
// Create a kernel object
std::string kernelName = "matrixMulKernel" + boost::lexical_cast<std::string> (impl);
cl::Kernel matrixMulKernel(program, kernelName.c_str ());
if (impl == 4) {
cl::size_t<3> origin;
origin[0] = origin[1] = origin[2] = 0;
cl::size_t<3> region;
region[0] = countAX_BY;
region[1] = countAY;
region[2] = 1;
queue.enqueueWriteImage(d_inputAImg, true, origin, region, countAX_BY * sizeof (float), 0, h_inputA.data(), NULL, ©1);
region[0] = countBX;
region[1] = countAX_BY;
queue.enqueueWriteImage(d_inputBImg, true, origin, region, countBX * sizeof (float), 0, h_inputB.data(), NULL, ©2);
}
// Launch kernel on the device
cl::Event kernelExecution;
if (impl == 4)
matrixMulKernel.setArg<cl::Image2D>(0, d_inputAImg);
else
matrixMulKernel.setArg<cl::Buffer>(0, d_inputA);
if (impl == 4)
matrixMulKernel.setArg<cl::Image2D>(1, d_inputBImg);
else
matrixMulKernel.setArg<cl::Buffer>(1, d_inputB);
matrixMulKernel.setArg<cl::Buffer>(2, d_outputC);
matrixMulKernel.setArg<cl_uint>(3, countAX_BY);
matrixMulKernel.setArg<cl_uint>(4, countAY);
matrixMulKernel.setArg<cl_uint>(5, countBX);
if (impl == 3)
matrixMulKernel.setArg(6, cl::Local(2 * wgSize * wgSize * sizeof(float)));
queue.enqueueNDRangeKernel(matrixMulKernel, cl::NullRange, cl::NDRange(countCX, countCY), cl::NDRange(wgSize, wgSize), NULL, &kernelExecution);
// Copy output data back to host
cl::Event copy3;
queue.enqueueReadBuffer(d_outputC, true, 0, sizeC, h_outputCGpu.data(), NULL, ©3);
// Print performance data
Core::TimeSpan gpuTime = OpenCL::getElapsedTime(kernelExecution);
Core::TimeSpan copyTime = OpenCL::getElapsedTime(copy1) + OpenCL::getElapsedTime(copy2) + OpenCL::getElapsedTime(copy3);
printPerformance(kernelName, gpuTime, copyTime, atlasTime);
// Check whether results are correct
if (!compareMatrices(h_outputCCpu, "CPU", h_outputCGpu, "GPU", countCX, countCY))
return 1;
}
std::cout << "Success" << std::endl;
//dumpMatrix ("A", h_inputA, countAX_BY, countAY);
//dumpMatrix ("B", h_inputB, countBX, countAX_BY);
//dumpMatrix ("C", h_outputCCpu, countCX, countCY);
return 0;
}
int main(int argc, char * argv[])
{
//checking for desired number of threads
if (argc != 1)
{
if (strcmp(argv[1],"-t") || (threads = atoi(argv[2])) < 2)
{
printf("Usage: %s [-t <NUMBER_OF_THREADS>]\n Default Number of Threads: 2\n"
, argv[0]);
exit(-1);
}
printf("Pthreads and OpenMP Calculations will be done with %i threads.\n", threads);
}
struct timeval start, end;
matrix firsts[MAX_TEST_CASES];
matrix seconds[MAX_TEST_CASES];
matrix results[MAX_TEST_CASES];
//parses all Testmatrices and stores them in two arrays
// int num; //the actual number of testcases
printf("Reading matrices from InputFile...\n");
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
int end = parseMatrices(PATH_TO_TESTS, i, &firsts[i], &seconds[i]);
if (end == 0)
{
printf("Parsing went wrong\n");
exit(0);
}
}
FILE* performance;
//first, sequential computation
printf("Sequential calculation...\n");
gettimeofday(&start, NULL);
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
sequential(&firsts[i], &seconds[i], &results[i]);
}
gettimeofday(&end, NULL);
//prints the results of sequential computation to file
printf("Printing results...\n");
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
if(!printMatrix(&results[i], PATH_TO_RESULTS))
{
printf("Theres a problem with the output stream.\n");
exit(0);
}
}
printf("Sequential calculation complete. Check %s for results\n"
, PATH_TO_RESULTS);
performance = fopen(PATH_TO_TIMES, "w");
fprintf(performance,
"Sequential Implementation took %.3lf seconds for all testcases.\n"
, getDifference(start, end));
//openMP Implementation is up next
matrix ompresults[MAX_TEST_CASES];
printf("OpenMP calculation...\n");
gettimeofday(&start, NULL);
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
openMP(&(firsts[i]), &(seconds[i]), &(ompresults[i]), threads);
}
gettimeofday(&end, NULL);
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
if(!compareMatrices(&results[i], &ompresults[i]))
{
printf("OMP-Implementation has faults!");
exit(0);
}
}
fprintf(performance,
"OpenMP-Implementation took %.3lf seconds for all testcases.\n"
, getDifference(start, end));
//lastly, pthreads implementation
matrix ptresults[MAX_TEST_CASES];
printf("Posix-Threads calculation...\n");
gettimeofday(&start, NULL);
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
multithreaded(&firsts[i], &seconds[i], &ptresults[i], threads);
}
gettimeofday(&end, NULL);
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
if(!compareMatrices(&results[i], &ptresults[i]))
{
printf("Pthread-Implementation has faults!");
exit(0);
}
}
fprintf(performance,
"Pthreads-Implementation took %.3lf seconds for all testcases.\n"
, getDifference(start, end));
//cleaning up
printf("Cleaning up...\n");
fclose(performance);
for (int i = 0; i < MAX_TEST_CASES; ++i)
{
free(firsts[i].values);
free(seconds[i].values);
free(results[i].values);
free(ompresults[i].values);
free(ptresults[i].values);
}
printf("All done, see %s for a summarization of each implementation's performance.\n"
, PATH_TO_TIMES);
exit(0);
}