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Fixed issues with Eigen Tensor serialisation. Fixed issues with precision to text streams

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This commit is contained in:
Michael Marshall 2019-03-02 00:24:37 +00:00
parent a344a2227e
commit b3d4ba8657
2 changed files with 53 additions and 51 deletions
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18
Grid/serialisation/BaseIO.h
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@ -282,7 +282,7 @@ namespace Grid {
im *= n;
if( Precision ) {
std::stringstream s;
s << std::scientific << std::setprecision(Precision) << re;
s << std::setprecision(Precision) << re;
s >> re;
s.clear();
s << im;
@ -741,13 +741,16 @@ namespace Grid {
upcast->readMultiDim( s, buf, dimData );
assert(dimData.size() == TotalRank && "EigenIO: Tensor rank mismatch" );
// Make sure that the number of elements read matches dimensions read
std::size_t NumElements = 1;
for( auto d : dimData )
NumElements *= d;
assert( NumElements == buf.size() && "EigenIO: Number of elements != product of dimensions" );
std::size_t NumContainers = 1;
for( auto i = 0 ; i < TensorRank ; i++ )
NumContainers *= dimData[i];
// If our scalar object is a Container, make sure it's dimensions match what we read back
for( auto i = 0 ; i < ContainerRank ; i++ )
std::size_t ElementsPerContainer = 1;
for( auto i = 0 ; i < ContainerRank ; i++ ) {
assert( dimData[TensorRank+i] == Traits::Dimension(i) && "Tensor Container dimensions don't match data" );
ElementsPerContainer *= dimData[TensorRank+i];
}
assert( NumContainers * ElementsPerContainer == buf.size() && "EigenIO: Number of elements != product of dimensions" );
// Now see whether the tensor is the right shape, or can be made to be
const auto & dims{output.dimensions()};
bool bShapeOK = (output.data() != nullptr);
@ -764,13 +767,14 @@ namespace Grid {
// Copy the data into the tensor
for( auto &d : MyIndex ) d = 0;
const Scalar * pSource = &buf[0];
for( auto n = 0 ; n < NumElements ; n++ ) {
for( std::size_t n = 0 ; n < NumContainers ; n++ ) {
Container & c = output( MyIndex );
copyScalars( c, pSource );
// Now increment the index
for( int i = TensorRank - 1; i != -1 && ++MyIndex[i] == dims[i]; i-- )
MyIndex[i] = 0;
}
assert( pSource == &buf[NumContainers * ElementsPerContainer] );
}
template <typename T>

86
tests/IO/Test_serialisation.cc
View File

@ -4,11 +4,12 @@
Source file: ./tests/Test_serialisation.cc
Copyright (C) 2015-2016
Copyright (C) 2015-2019
Author: Guido Cossu <guido.cossu@ed.ac.uk>
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: Michael Marshall <michael.marshall@ed.ac.uk>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -107,7 +108,6 @@ void ioTest(const std::string &filename, const O &object, const std::string &nam
std::cout << " done." << std::endl;
}
#ifdef HAVE_HDF5
typedef std::complex<double> TestScalar;
typedef Eigen::TensorFixedSize<unsigned short, Eigen::Sizes<5,4,3,2,1>> TensorRank5UShort;
typedef Eigen::TensorFixedSize<unsigned short, Eigen::Sizes<5,4,3,2,1>, Eigen::StorageOptions::RowMajor> TensorRank5UShortAlt;
@ -115,9 +115,6 @@ typedef Eigen::Tensor<TestScalar, 3, Eigen::StorageOptions::RowMajor> TensorRank
typedef Eigen::TensorFixedSize<TestScalar, Eigen::Sizes<9,4,2>, Eigen::StorageOptions::RowMajor> Tensor_9_4_2;
typedef std::vector<Tensor_9_4_2> aTensor_9_4_2;
typedef Eigen::TensorFixedSize<SpinColourVector, Eigen::Sizes<6,5>> LSCTensor;
#ifndef NO_STRESS_TESTS
typedef Eigen::TensorFixedSize<iMatrix<iVector<iMatrix<iVector<LorentzColourMatrix,5>,2>,7>,3>, Eigen::Sizes<2,4,11,10,9>, Eigen::StorageOptions::RowMajor> LCMTensor;
#endif
class PerambIOTestClass: Serializable {
Grid_complex<double> Flag;
@ -156,35 +153,41 @@ public:
}
};
#define TensorWriteReadInnerNoInit( T ) \
filename = "iotest_" + std::to_string(++TestNum) + "_" #T + pszExtension; \
ioTest<WTR_, RDR_, T>(filename, t, #T, #T);
#define TensorWriteReadInner( T ) SequentialInit( t, Flag, Precision ); TensorWriteReadInnerNoInit( T )
#define TensorWriteRead( T ) { T t ; TensorWriteReadInner( T ) }
#define TensorWriteReadV(T, ... ) { T t( __VA_ARGS__ ); TensorWriteReadInner( T ) }
#define TensorWriteReadLarge( T ) { std::unique_ptr<T> p{new T}; T &t{*p}; TensorWriteReadInnerNoInit(T) }
#define TEST_PARAMS( T ) #T, Flag, Precision, filename, pszExtension, TestNum
template <typename WTR_, typename RDR_, typename T, typename... IndexTypes>
void EigenTensorTestSingle(const char * MyTypeName, typename EigenIO::Traits<typename T::Scalar>::scalar_type Flag,
unsigned short Precision, std::string &filename, const char * pszExtension, unsigned int &TestNum,
IndexTypes... otherDims)
{
using Traits = EigenIO::Traits<typename T::Scalar>;
using scalar_type = typename Traits::scalar_type;
std::unique_ptr<T> pTensor{new T(otherDims...)};
SequentialInit( * pTensor, Flag, Precision );
filename = "iotest_" + std::to_string(++TestNum) + "_" + MyTypeName + pszExtension;
ioTest<WTR_, RDR_, T>(filename, * pTensor, MyTypeName, MyTypeName);
}
template <typename WTR_, typename RDR_>
void EigenHdf5IOTest(const char * pszExtension, unsigned short Precision = 0)
void EigenTensorTest(const char * pszExtension, unsigned short Precision = 0)
{
unsigned int TestNum = 0;
std::string filename;
{
int Flag = 7;
unsigned short Precision = 0;
using TensorSingle = Eigen::TensorFixedSize<int, Eigen::Sizes<1>>;
TensorWriteRead( TensorSingle )
EigenTensorTestSingle<WTR_, RDR_, TensorSingle>(TEST_PARAMS( TensorSingle ));
}
TestScalar Flag{1,-3.1415927};
using TensorSimple = Eigen::Tensor<iMatrix<TestScalar,1>, 6>;
TensorWriteReadV( TensorSimple, 1, 1, 1, 1, 1, 1 )
TensorWriteReadV( TensorRank3, 6, 3, 2 )
TensorWriteRead ( Tensor_9_4_2 )
using I = typename TensorSimple::Index;
EigenTensorTestSingle<WTR_, RDR_, TensorSimple, I, I, I, I, I, I>( TEST_PARAMS( TensorSimple ), 1, 1, 1, 1, 1, 1 );
EigenTensorTestSingle<WTR_, RDR_, TensorRank3, I, I, I>( TEST_PARAMS( TensorRank3 ), 6, 3, 2 );
EigenTensorTestSingle<WTR_, RDR_, Tensor_9_4_2>(TEST_PARAMS( Tensor_9_4_2 ));
{
unsigned short Flag = 1;
unsigned short Precision = 0;
TensorRank5UShort t;
TensorWriteReadInner ( TensorRank5UShort );
EigenTensorTestSingle<WTR_, RDR_, TensorRank5UShort>(TEST_PARAMS( TensorRank5UShort ));
std::cout << " Testing alternate memory order read ... ";
TensorRank5UShortAlt t2;
RDR_ reader(filename);
@ -201,23 +204,20 @@ void EigenHdf5IOTest(const char * pszExtension, unsigned short Precision = 0)
}
std::cout << " done." << std::endl;
}
TensorWriteRead ( LSCTensor )
TensorWriteReadLarge( PerambIOTestClass )
#ifndef NO_STRESS_TESTS
std::cout << "sizeof( LCMTensor ) = " << sizeof( LCMTensor ) / 1024 / 1024 << " MB" << std::endl;
TensorWriteReadLarge ( LCMTensor )
// Also write > 4GB of complex numbers (I suspect this will fail inside Hdf5)
EigenTensorTestSingle<WTR_, RDR_, LSCTensor>(TEST_PARAMS( LSCTensor ));
{
static constexpr size_t Num = 0x11000000;
std::cout << "Stress test: " << Num * sizeof( Grid_complex<double> ) / 1024 / 1024
<< " MB array of complex<double>" << std::endl;
using Stress = std::vector<Grid_complex<double>>;
Stress t (Num);
TensorWriteReadInnerNoInit( Stress );
static const char MyTypeName[] = "PerambIOTestClass";
std::unique_ptr<PerambIOTestClass> pObj{new PerambIOTestClass()};
filename = "iotest_" + std::to_string(++TestNum) + "_" + MyTypeName + pszExtension;
ioTest<WTR_, RDR_, PerambIOTestClass>(filename, * pObj, MyTypeName, MyTypeName);
}
#ifdef STRESS_TESTS
using LCMTensor = Eigen::TensorFixedSize<iMatrix<iVector<iMatrix<iVector<LorentzColourMatrix,5>,2>,7>,3>,
Eigen::Sizes<2,4,11,10,9>, Eigen::StorageOptions::RowMajor>;
std::cout << "sizeof( LCMTensor ) = " << sizeof( LCMTensor ) / 1024 / 1024 << " MB" << std::endl;
EigenTensorTestSingle<WTR_, RDR_, LCMTensor>(TEST_PARAMS( LCMTensor ));
#endif
}
#endif
template <typename T>
void tensorConvTestFn(GridSerialRNG &rng, const std::string label)
@ -295,24 +295,22 @@ int main(int argc,char **argv)
ioTest<TextWriter, TextReader>("iotest.dat", obj, "text (object) ");
ioTest<TextWriter, TextReader>("iotest.dat", vec, "text (vector of objects)");
//// text
//ioTest<JSONWriter, JSONReader>("iotest.json", obj, "JSON (object) ");
//ioTest<JSONWriter, JSONReader>("iotest.json", vec, "JSON (vector of objects)");
ioTest<JSONWriter, JSONReader>("iotest.json", obj, "JSON (object) ");
ioTest<JSONWriter, JSONReader>("iotest.json", vec, "JSON (vector of objects)");
//// HDF5
#ifdef HAVE_HDF5
ioTest<Hdf5Writer, Hdf5Reader>("iotest.h5", obj, "HDF5 (object) ");
ioTest<Hdf5Writer, Hdf5Reader>("iotest.h5", vec, "HDF5 (vector of objects)");
#endif
std::cout << "\n==== detailed text tensor tests (Grid::EigenIO)" << std::endl;
EigenHdf5IOTest<TextWriter, TextReader>(".dat", 6);
std::cout << "\n==== detailed xml tensor tests (Grid::EigenIO)" << std::endl;
EigenHdf5IOTest<XmlWriter, XmlReader>(".xml", 4);
std::cout << "\n==== detailed binary tensor tests (Grid::EigenIO)" << std::endl;
EigenHdf5IOTest<BinaryWriter, BinaryReader>(".bin");
#ifdef HAVE_HDF5
std::cout << "\n==== detailed Hdf5 tensor tests (Grid::EigenIO)" << std::endl;
EigenHdf5IOTest<Hdf5Writer, Hdf5Reader>(".h5");
EigenTensorTest<Hdf5Writer, Hdf5Reader>(".h5");
#endif
std::cout << "\n==== detailed binary tensor tests (Grid::EigenIO)" << std::endl;
EigenTensorTest<BinaryWriter, BinaryReader>(".bin");
std::cout << "\n==== detailed xml tensor tests (Grid::EigenIO)" << std::endl;
EigenTensorTest<XmlWriter, XmlReader>(".xml", 6);
std::cout << "\n==== detailed text tensor tests (Grid::EigenIO)" << std::endl;
EigenTensorTest<TextWriter, TextReader>(".dat", 5);
std::cout << "\n==== vector flattening/reconstruction" << std::endl;
typedef std::vector<std::vector<std::vector<double>>> vec3d;