void SweepTwopdm::BlockAndDecimate (SweepParams &sweepParams, SpinBlock& system, SpinBlock& newSystem, const bool &useSlater, const bool& dot_with_sys, int state) { //mcheck("at the start of block and decimate"); // figure out if we are going forward or backwards dmrginp.guessgenT -> start(); bool forward = (system.get_sites() [0] == 0); SpinBlock systemDot; SpinBlock envDot; int systemDotStart, systemDotEnd; int systemDotSize = sweepParams.get_sys_add() - 1; if (forward) { systemDotStart = dmrginp.spinAdapted() ? *system.get_sites().rbegin () + 1 : (*system.get_sites().rbegin ())/2 + 1 ; systemDotEnd = systemDotStart + systemDotSize; } else { systemDotStart = dmrginp.spinAdapted() ? system.get_sites()[0] - 1 : (system.get_sites()[0])/2 - 1 ; systemDotEnd = systemDotStart - systemDotSize; } vector<int> spindotsites(2); spindotsites[0] = systemDotStart; spindotsites[1] = systemDotEnd; //if (useSlater) { systemDot = SpinBlock(systemDotStart, systemDotEnd, system.get_integralIndex(), true); //SpinBlock::store(true, systemDot.get_sites(), systemDot); //} //else //SpinBlock::restore(true, spindotsites, systemDot); SpinBlock environment, environmentDot, newEnvironment; int environmentDotStart, environmentDotEnd, environmentStart, environmentEnd; const int nexact = forward ? sweepParams.get_forward_starting_size() : sweepParams.get_backward_starting_size(); system.addAdditionalCompOps(); InitBlocks::InitNewSystemBlock(system, systemDot, newSystem, sweepParams.current_root(), sweepParams.current_root(), sweepParams.get_sys_add(), dmrginp.direct(), system.get_integralIndex(), DISTRIBUTED_STORAGE, true, true); InitBlocks::InitNewEnvironmentBlock(environment, systemDot, newEnvironment, system, systemDot, sweepParams.current_root(), sweepParams.current_root(), sweepParams.get_sys_add(), sweepParams.get_env_add(), forward, dmrginp.direct(), sweepParams.get_onedot(), nexact, useSlater, system.get_integralIndex(), true, true, true); SpinBlock big; newSystem.set_loopblock(true); system.set_loopblock(false); newEnvironment.set_loopblock(false); InitBlocks::InitBigBlock(newSystem, newEnvironment, big); const int nroots = dmrginp.nroots(); std::vector<Wavefunction> solution(1); DiagonalMatrix e; GuessWave::guess_wavefunctions(solution[0], e, big, sweepParams.get_guesstype(), true, state, true, 0.0); #ifndef SERIAL mpi::communicator world; mpi::broadcast(world, solution, 0); #endif std::vector<Matrix> rotateMatrix; DensityMatrix tracedMatrix(newSystem.get_stateInfo()); tracedMatrix.allocate(newSystem.get_stateInfo()); tracedMatrix.makedensitymatrix(solution, big, std::vector<double>(1,1.0), 0.0, 0.0, false); rotateMatrix.clear(); if (!mpigetrank()) double error = makeRotateMatrix(tracedMatrix, rotateMatrix, sweepParams.get_keep_states(), sweepParams.get_keep_qstates()); #ifndef SERIAL mpi::broadcast(world,rotateMatrix,0); #endif #ifdef SERIAL const int numprocs = 1; #endif #ifndef SERIAL const int numprocs = world.size(); #endif if (sweepParams.get_block_iter() == 0) compute_twopdm_initial(solution, system, systemDot, newSystem, newEnvironment, big, numprocs, state); compute_twopdm_sweep(solution, system, systemDot, newSystem, newEnvironment, big, numprocs, state); if (sweepParams.get_block_iter() == sweepParams.get_n_iters() - 1) compute_twopdm_final(solution, system, systemDot, newSystem, newEnvironment, big, numprocs, state); SaveRotationMatrix (newSystem.get_sites(), rotateMatrix, state); //for(int i=0;i<dmrginp.nroots();++i) solution[0].SaveWavefunctionInfo (big.get_stateInfo(), big.get_leftBlock()->get_sites(), state); newSystem.transform_operators(rotateMatrix); }
void SweepOnepdm::BlockAndDecimate (SweepParams &sweepParams, SpinBlock& system, SpinBlock& newSystem, const bool &useSlater, const bool& dot_with_sys) { //mcheck("at the start of block and decimate"); // figure out if we are going forward or backwards dmrginp.guessgenT -> start(); bool forward = (system.get_sites() [0] == 0); SpinBlock systemDot; SpinBlock envDot; int systemDotStart, systemDotEnd; int systemDotSize = sweepParams.get_sys_add() - 1; if (forward) { systemDotStart = *system.get_sites().rbegin () + 1; systemDotEnd = systemDotStart + systemDotSize; } else { systemDotStart = system.get_sites() [0] - 1; systemDotEnd = systemDotStart - systemDotSize; } vector<int> spindotsites(2); spindotsites[0] = systemDotStart; spindotsites[1] = systemDotEnd; systemDot = SpinBlock(systemDotStart, systemDotEnd); SpinBlock environment, environmentDot, newEnvironment; int environmentDotStart, environmentDotEnd, environmentStart, environmentEnd; const int nexact = forward ? sweepParams.get_forward_starting_size() : sweepParams.get_backward_starting_size(); system.addAdditionalCompOps(); InitBlocks::InitNewSystemBlock(system, systemDot, newSystem, sweepParams.get_sys_add(), dmrginp.direct(), DISTRIBUTED_STORAGE, true, true); InitBlocks::InitNewEnvironmentBlock(environment, systemDot, newEnvironment, system, systemDot, sweepParams.get_sys_add(), sweepParams.get_env_add(), forward, dmrginp.direct(), sweepParams.get_onedot(), nexact, useSlater, true, true, true); SpinBlock big; newSystem.set_loopblock(true); system.set_loopblock(false); newEnvironment.set_loopblock(false); InitBlocks::InitBigBlock(newSystem, newEnvironment, big); const int nroots = dmrginp.nroots(); std::vector<Wavefunction> solutions(nroots); for(int i=0;i<nroots;++i) { StateInfo newInfo; solutions[i].LoadWavefunctionInfo (newInfo, newSystem.get_sites(), i); } #ifndef SERIAL mpi::communicator world; mpi::broadcast(world,solutions,0); #endif #ifdef SERIAL const int numprocs = 1; #endif #ifndef SERIAL const int numprocs = world.size(); #endif compute_onepdm(solutions, system, systemDot, newSystem, newEnvironment, big, numprocs); }
void SweepOnepdm::BlockAndDecimate (SweepParams &sweepParams, SpinBlock& system, SpinBlock& newSystem, const bool &useSlater, const bool& dot_with_sys, int state) { //mcheck("at the start of block and decimate"); // figure out if we are going forward or backwards dmrginp.guessgenT -> start(); bool forward = (system.get_sites() [0] == 0); SpinBlock systemDot; SpinBlock envDot; int systemDotStart, systemDotEnd; int systemDotSize = sweepParams.get_sys_add() - 1; if (forward) { systemDotStart = dmrginp.spinAdapted() ? *system.get_sites().rbegin () + 1 : (*system.get_sites().rbegin ())/2 + 1 ; systemDotEnd = systemDotStart + systemDotSize; } else { systemDotStart = dmrginp.spinAdapted() ? system.get_sites()[0] - 1 : (system.get_sites()[0])/2 - 1 ; systemDotEnd = systemDotStart - systemDotSize; } vector<int> spindotsites(2); spindotsites[0] = systemDotStart; spindotsites[1] = systemDotEnd; systemDot = SpinBlock(systemDotStart, systemDotEnd, system.get_integralIndex(), true); SpinBlock environment, environmentDot, newEnvironment; int environmentDotStart, environmentDotEnd, environmentStart, environmentEnd; const int nexact = forward ? sweepParams.get_forward_starting_size() : sweepParams.get_backward_starting_size(); newSystem.set_integralIndex() = system.get_integralIndex(); newSystem.default_op_components(dmrginp.direct(), system, systemDot, false, false, true); newSystem.erase(CRE_CRE_DESCOMP); newSystem.erase(CRE_CRE); newSystem.erase(HAM); newSystem.setstoragetype(DISTRIBUTED_STORAGE_FOR_ONEPDM); newSystem.BuildSumBlock (NO_PARTICLE_SPIN_NUMBER_CONSTRAINT, system, systemDot); if (dmrginp.outputlevel() > 0) { pout << "\t\t\t NewSystem block " << endl << newSystem << endl; newSystem.printOperatorSummary(); } InitBlocks::InitNewEnvironmentBlock(environment, systemDot, newEnvironment, system, systemDot, sweepParams.current_root(), sweepParams.current_root(), sweepParams.get_sys_add(), sweepParams.get_env_add(), forward, dmrginp.direct(), sweepParams.get_onedot(), nexact, useSlater, system.get_integralIndex(), false, false, true); SpinBlock big; newSystem.set_loopblock(true); system.set_loopblock(false); newEnvironment.set_loopblock(false); InitBlocks::InitBigBlock(newSystem, newEnvironment, big); const int nroots = dmrginp.nroots(); std::vector<Wavefunction> solution(1); DiagonalMatrix e; GuessWave::guess_wavefunctions(solution[0], e, big, sweepParams.get_guesstype(), true, state, true, 0.0); #ifndef SERIAL mpi::communicator world; mpi::broadcast(world, solution, 0); #endif std::vector<Matrix> rotateMatrix; DensityMatrix tracedMatrix(newSystem.get_stateInfo()); tracedMatrix.allocate(newSystem.get_stateInfo()); tracedMatrix.makedensitymatrix(solution, big, std::vector<double>(1,1.0), 0.0, 0.0, false); rotateMatrix.clear(); if (!mpigetrank()) double error = makeRotateMatrix(tracedMatrix, rotateMatrix, sweepParams.get_keep_states(), sweepParams.get_keep_qstates()); #ifndef SERIAL mpi::broadcast(world,rotateMatrix,0); #endif #ifdef SERIAL const int numprocs = 1; #endif #ifndef SERIAL const int numprocs = world.size(); #endif Matrix onepdm; load_onepdm_binary(onepdm, state ,state); Matrix pairmat; if (dmrginp.hamiltonian() == BCS) load_pairmat_binary(pairmat, state ,state); if (sweepParams.get_block_iter() == 0) { //this is inface a combination of 2_0_0, 1_1_0 and 0_2_0 p2out << "\t\t\t compute 2_0_0"<<endl; compute_one_pdm_2_0_0(solution[0], solution[0], big, onepdm); if (dmrginp.hamiltonian() == BCS) compute_pair_2_0_0(solution[0], solution[0], big, pairmat); p2out << "\t\t\t compute 1_1_0"<<endl; compute_one_pdm_1_1_0(solution[0], solution[0], big, onepdm); if (dmrginp.hamiltonian() == BCS) compute_pair_1_1_0(solution[0], solution[0], big, pairmat); } p2out << "\t\t\t compute 0_2_0"<<endl; compute_one_pdm_0_2_0(solution[0], solution[0], big, onepdm); if (dmrginp.hamiltonian() == BCS) compute_pair_0_2_0(solution[0], solution[0], big, pairmat); p2out << "\t\t\t compute 1_1"<<endl; compute_one_pdm_1_1(solution[0], solution[0], big, onepdm); if (dmrginp.hamiltonian() == BCS) compute_pair_1_1(solution[0], solution[0], big, pairmat); if (sweepParams.get_block_iter() == sweepParams.get_n_iters() - 1) { p2out << "\t\t\t compute 0_2"<<endl; compute_one_pdm_0_2(solution[0], solution[0], big, onepdm); if (dmrginp.hamiltonian() == BCS) compute_pair_0_2(solution[0], solution[0], big, pairmat); } accumulate_onepdm(onepdm); save_onepdm_binary(onepdm, state, state); if (dmrginp.hamiltonian() == BCS) { accumulate_onepdm(pairmat); save_pairmat_binary(pairmat, state, state); } SaveRotationMatrix (newSystem.get_sites(), rotateMatrix, state); solution[0].SaveWavefunctionInfo (big.get_stateInfo(), big.get_leftBlock()->get_sites(), state); newSystem.transform_operators(rotateMatrix); }
void SpinAdapted::mps_nevpt::type1::BlockDecimateAndCompress (SweepParams &sweepParams, SpinBlock& system, SpinBlock& newSystem, const bool &useSlater, const bool& dot_with_sys, perturber& pb, int baseState) { int sweepiter = sweepParams.get_sweep_iter(); if (dmrginp.outputlevel() > 0) { mcheck("at the start of block and decimate"); pout << "\t\t\t dot with system "<<dot_with_sys<<endl; pout <<endl<< "\t\t\t Performing Blocking"<<endl; } // figure out if we are going forward or backwards dmrginp.guessgenT -> start(); bool forward = (system.get_sites() [0] == 0); SpinBlock systemDot; SpinBlock environment, environmentDot, newEnvironment; SpinBlock big; environment.nonactive_orb() = pb.orb(); newEnvironment.nonactive_orb() = pb.orb(); int systemDotStart, systemDotEnd; int environmentDotStart, environmentDotEnd, environmentStart, environmentEnd; int systemDotSize = sweepParams.get_sys_add() - 1; int environmentDotSize = sweepParams.get_env_add() -1; if (forward) { systemDotStart = dmrginp.spinAdapted() ? *system.get_sites().rbegin () + 1 : (*system.get_sites().rbegin ())/2 + 1 ; systemDotEnd = systemDotStart + systemDotSize; environmentDotStart = systemDotEnd + 1; environmentDotEnd = environmentDotStart + environmentDotSize; } else { systemDotStart = dmrginp.spinAdapted() ? system.get_sites()[0] - 1 : (system.get_sites()[0])/2 - 1 ; systemDotEnd = systemDotStart - systemDotSize; environmentDotStart = systemDotEnd - 1; environmentDotEnd = environmentDotStart - environmentDotSize; } systemDot = SpinBlock(systemDotStart, systemDotEnd, pb.orb()); environmentDot = SpinBlock(environmentDotStart, environmentDotEnd, pb.orb()); Sweep::makeSystemEnvironmentBigBlocks(system, systemDot, newSystem, environment, environmentDot, newEnvironment, big, sweepParams, dot_with_sys, useSlater, system.get_integralIndex(), pb.wavenumber(), baseState,pb.braquanta,pb.ketquanta); //analyse_operator_distribution(big); dmrginp.guessgenT -> stop(); dmrginp.multiplierT -> start(); std::vector<Matrix> rotatematrix; if (dmrginp.outputlevel() > 0) mcheck(""); if (dmrginp.outputlevel() > 0) { if (!dot_with_sys && sweepParams.get_onedot()) { pout << "\t\t\t System Block"<<system; } else pout << "\t\t\t System Block"<<newSystem; pout << "\t\t\t Environment Block"<<newEnvironment<<endl; pout << "\t\t\t Solving wavefunction "<<endl; } std::vector<Wavefunction> solution; solution.resize(1); std::vector<Wavefunction> outputState; outputState.resize(1); DiagonalMatrix e; //read the 0th wavefunction which we keep on the ket side because by default the ket stateinfo is used to initialize wavefunction //also when you use spinblock operators to multiply a state, it does so from the ket side i.e. H|ket> //GuessWave::guess_wavefunctions(solution, e, big, sweepParams.set_guesstype(), sweepParams.get_onedot(), dot_with_sys, 0.0, baseState); GuessWave::guess_wavefunctions(solution[0], e, big, sweepParams.set_guesstype(), sweepParams.get_onedot(), baseState, dot_with_sys, 0.0); #ifndef SERIAL mpi::communicator world; broadcast(world, solution, 0); #endif outputState[0].AllowQuantaFor(big.get_leftBlock()->get_braStateInfo(), big.get_rightBlock()->get_braStateInfo(),pb.braquanta); outputState[0].set_onedot(sweepParams.get_onedot()); outputState[0].Clear(); if (pb.type() == TwoPerturbType::Va) big.multiplyCDD_sum(solution[0],&(outputState[0]),MAX_THRD); if (pb.type() == TwoPerturbType::Vi) big.multiplyCCD_sum(solution[0],&(outputState[0]),MAX_THRD); //davidson_f(solution[0], outputState[0]); SpinBlock newbig; if (sweepParams.get_onedot() && !dot_with_sys) { InitBlocks::InitNewSystemBlock(system, systemDot, newSystem, baseState, pb.wavenumber(), systemDot.size(), dmrginp.direct(), system.get_integralIndex(), DISTRIBUTED_STORAGE, false, true,NO_PARTICLE_SPIN_NUMBER_CONSTRAINT,pb.braquanta,pb.ketquanta); InitBlocks::InitBigBlock(newSystem, environment, newbig,pb.braquanta,pb.ketquanta); Wavefunction tempwave = outputState[0]; GuessWave::onedot_shufflesysdot(big.get_braStateInfo(), newbig.get_braStateInfo(), outputState[0], tempwave); outputState[0] = tempwave; tempwave = solution[0]; GuessWave::onedot_shufflesysdot(big.get_ketStateInfo(), newbig.get_ketStateInfo(), solution[0], tempwave); solution[0] = tempwave; big.get_rightBlock()->clear(); big.clear(); } else newbig = big; DensityMatrix bratracedMatrix(newSystem.get_braStateInfo()); bratracedMatrix.allocate(newSystem.get_braStateInfo()); //bratracedMatrix.makedensitymatrix(outputState, newbig, dmrginp.weights(sweepiter), 0.0, 0.0, true); bratracedMatrix.makedensitymatrix(outputState, newbig, std::vector<double>(1,1.0), 0.0, 0.0, true); if (sweepParams.get_noise() > NUMERICAL_ZERO) { pout << "adding noise "<<trace(bratracedMatrix)<<" "<<sweepiter<<" "<<dmrginp.weights(sweepiter)[0]<<endl; bratracedMatrix.add_onedot_noise_forCompression(solution[0], newbig, sweepParams.get_noise()*max(1.0,trace(bratracedMatrix))); if (trace(bratracedMatrix) <1e-14) bratracedMatrix.SymmetricRandomise(); pout << "after noise "<<trace(bratracedMatrix)<<" "<<sweepParams.get_noise()<<endl; } environment.clear(); newEnvironment.clear(); std::vector<Matrix> brarotateMatrix, ketrotateMatrix; LoadRotationMatrix (newSystem.get_sites(), ketrotateMatrix, baseState); double braerror; if (!mpigetrank()) { braerror = makeRotateMatrix(bratracedMatrix, brarotateMatrix, sweepParams.get_keep_states(), sweepParams.get_keep_qstates()); } #ifndef SERIAL broadcast(world, ketrotateMatrix, 0); broadcast(world, brarotateMatrix, 0); #endif if (dmrginp.outputlevel() > 0) pout << "\t\t\t Total bra discarded weight "<<braerror<<endl<<endl; sweepParams.set_lowest_error() = braerror; SaveRotationMatrix (newbig.get_leftBlock()->get_sites(), brarotateMatrix, pb.wavenumber()); //FIXME //It is neccessary for twodot algorithm to save baseState wavefuntion. //I do not know why. solution[0].SaveWavefunctionInfo (newbig.get_ketStateInfo(), newbig.get_leftBlock()->get_sites(), baseState); outputState[0].SaveWavefunctionInfo (newbig.get_braStateInfo(), newbig.get_leftBlock()->get_sites(), pb.wavenumber()); //TODO //Why do I need this? //They should have been consistent. // solution[0].SaveWavefunctionInfo (newbig.get_ketStateInfo(), newbig.get_leftBlock()->get_sites(), baseState); // SaveRotationMatrix (newbig.get_leftBlock()->get_sites(), ketrotateMatrix, baseState); if (dmrginp.outputlevel() > 0) pout <<"\t\t\t Performing Renormalization "<<endl; newSystem.transform_operators(brarotateMatrix, ketrotateMatrix); if (dmrginp.outputlevel() > 0) mcheck("after rotation and transformation of block"); if (dmrginp.outputlevel() > 0){ pout << *dmrginp.guessgenT<<" "<<*dmrginp.multiplierT<<" "<<*dmrginp.operrotT<< " "<<globaltimer.totalwalltime()<<" timer "<<endl; pout << *dmrginp.makeopsT<<" makeops "<<endl; pout << *dmrginp.datatransfer<<" datatransfer "<<endl; pout <<"oneindexopmult twoindexopmult Hc couplingcoeff"<<endl; pout << *dmrginp.oneelecT<<" "<<*dmrginp.twoelecT<<" "<<*dmrginp.hmultiply<<" "<<*dmrginp.couplingcoeff<<" hmult"<<endl; pout << *dmrginp.buildsumblock<<" "<<*dmrginp.buildblockops<<" build block"<<endl; pout << "addnoise S_0_opxop S_1_opxop S_2_opxop"<<endl; pout << *dmrginp.addnoise<<" "<<*dmrginp.s0time<<" "<<*dmrginp.s1time<<" "<<*dmrginp.s2time<<endl; } }
void SweepGenblock::BlockAndDecimate (SweepParams &sweepParams, SpinBlock& system, SpinBlock& newSystem, const bool &useSlater, const bool& dot_with_sys, int state) { if (dmrginp.outputlevel() > 0) mcheck("at the start of block and decimate"); // figure out if we are going forward or backwards pout << "\t\t\t Performing Blocking"<<endl; dmrginp.guessgenT -> start(); bool forward = (system.get_sites() [0] == 0); SpinBlock systemDot; int systemDotStart, systemDotEnd; int systemDotSize = sweepParams.get_sys_add() - 1; if (forward) { systemDotStart = *system.get_sites().rbegin () + 1; systemDotEnd = systemDotStart + systemDotSize; } else { systemDotStart = system.get_sites() [0] - 1; systemDotEnd = systemDotStart - systemDotSize; } vector<int> spindotsites(2); spindotsites[0] = systemDotStart; spindotsites[1] = systemDotEnd; systemDot = SpinBlock(systemDotStart, systemDotEnd); const int nexact = forward ? sweepParams.get_forward_starting_size() : sweepParams.get_backward_starting_size(); system.addAdditionalCompOps(); InitBlocks::InitNewSystemBlock(system, systemDot, newSystem, sweepParams.get_sys_add(), dmrginp.direct(), DISTRIBUTED_STORAGE, dot_with_sys, true); pout << "\t\t\t System Block"<<newSystem; if (dmrginp.outputlevel() > 0) newSystem.printOperatorSummary(); std::vector<Matrix> rotateMatrix; if (!dmrginp.get_fullrestart()) { //this should be done when we actually have wavefunctions stored, otherwise not!! SpinBlock environment, environmentDot, newEnvironment; int environmentDotStart, environmentDotEnd, environmentStart, environmentEnd; InitBlocks::InitNewEnvironmentBlock(environment, systemDot, newEnvironment, system, systemDot, sweepParams.get_sys_add(), sweepParams.get_env_add(), forward, dmrginp.direct(), sweepParams.get_onedot(), nexact, useSlater, true, true, true); SpinBlock big; InitBlocks::InitBigBlock(newSystem, newEnvironment, big); DiagonalMatrix e; std::vector<Wavefunction> solution(1); GuessWave::guess_wavefunctions(solution[0], e, big, sweepParams.get_guesstype(), true, state, true, 0.0); solution[0].SaveWavefunctionInfo (big.get_stateInfo(), big.get_leftBlock()->get_sites(), state); DensityMatrix tracedMatrix; tracedMatrix.allocate(newSystem.get_stateInfo()); tracedMatrix.makedensitymatrix(solution, big, std::vector<double>(1, 1.0), 0.0, 0.0, false); rotateMatrix.clear(); if (!mpigetrank()) double error = newSystem.makeRotateMatrix(tracedMatrix, rotateMatrix, sweepParams.get_keep_states(), sweepParams.get_keep_qstates()); } else LoadRotationMatrix (newSystem.get_sites(), rotateMatrix, state); #ifndef SERIAL mpi::communicator world; broadcast(world, rotateMatrix, 0); #endif if (!dmrginp.get_fullrestart()) SaveRotationMatrix (newSystem.get_sites(), rotateMatrix, state); pout <<"\t\t\t Performing Renormalization "<<endl<<endl; newSystem.transform_operators(rotateMatrix); if (dmrginp.outputlevel() > 0) mcheck("after rotation and transformation of block"); if (dmrginp.outputlevel() > 0) pout <<newSystem<<endl; if (dmrginp.outputlevel() > 0) newSystem.printOperatorSummary(); //mcheck("After renorm transform"); }