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Commit 6b0ad778 authored by Mark Friedrichs's avatar Mark Friedrichs
Browse files

PME mods

parent f21e5169
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Showing with 36 additions and 53 deletions
plugins/amoeba/platforms/cuda/src/kernels/kCalculateAmoebaCudaPmeDirectElectrostatic.cu
View file @ 6b0ad778
......@@ -98,7 +98,7 @@ __device__ static void debugSetup( unsigned int atomI, unsigned int atomJ,
*/
// self-energy for PME
/*
__device__ static void calculatePmeSelfEnergyElectrostaticPairIxn_kernel( PmeDirectElectrostaticParticle& atomI, float* energy)
{
float term = 2.0f*cSim.alphaEwald*cSim.alphaEwald;
......@@ -122,7 +122,7 @@ __device__ static void calculatePmeSelfEnergyElectrostaticPairIxn_kernel( PmeDir
*energy = (cii + term*(dii/3.0f + 2.0f*term*qii/5.0f));
*energy += term*uii/3.0f;
*energy *= fterm;
} */
}
// self-torque for PME
......@@ -134,14 +134,13 @@ __device__ static void calculatePmeSelfTorqueElectrostaticPairIxn_kernel( PmeDir
float uiy = 0.5f*(atomI.inducedDipole[1] + atomI.inducedDipoleP[1]);
float uiz = 0.5f*(atomI.inducedDipole[2] + atomI.inducedDipoleP[2]);
atomI.torque[0] += term*(atomI.labFrameDipole[1]*uiz - atomI.labFrameDipole[2]*uiy);
atomI.torque[1] += term*(atomI.labFrameDipole[2]*uix - atomI.labFrameDipole[0]*uiz);
atomI.torque[2] += term*(atomI.labFrameDipole[0]*uiy - atomI.labFrameDipole[1]*uix);
atomI.torque[0] -= term*(atomI.labFrameDipole[1]*uiz - atomI.labFrameDipole[2]*uiy);
atomI.torque[1] -= term*(atomI.labFrameDipole[2]*uix - atomI.labFrameDipole[0]*uiz);
atomI.torque[2] -= term*(atomI.labFrameDipole[0]*uiy - atomI.labFrameDipole[1]*uix);
}
__device__ void calculatePmeDirectElectrostaticPairIxn_kernel( PmeDirectElectrostaticParticle& atomI, PmeDirectElectrostaticParticle& atomJ,
float* scalingFactors, float* outputForce, float outputTorque[2][3],
float* energy
float* scalingFactors, float* outputForce, float outputTorque[2][3], float* energy
#ifdef AMOEBA_DEBUG
,float4* debugArray
#endif
......@@ -870,10 +869,11 @@ __device__ void calculatePmeDirectElectrostaticPairIxn_kernel( PmeDirectElectros
// increment gradient due to force and torque on first site;
outputForce[0] = -conversionFactor*(ftm2[1] + ftm2i[1]);
outputForce[1] = -conversionFactor*(ftm2[2] + ftm2i[2]);
outputForce[2] = -conversionFactor*(ftm2[3] + ftm2i[3]);
outputForce[0] = conversionFactor*(ftm2[1] + ftm2i[1]);
outputForce[1] = conversionFactor*(ftm2[2] + ftm2i[2]);
outputForce[2] = conversionFactor*(ftm2[3] + ftm2i[3]);
conversionFactor *= -1.0;
outputTorque[0][0] = conversionFactor*(ttm2[1] + ttm2i[1]);
outputTorque[0][1] = conversionFactor*(ttm2[2] + ttm2i[2]);
outputTorque[0][2] = conversionFactor*(ttm2[3] + ttm2i[3]);
......@@ -881,7 +881,6 @@ __device__ void calculatePmeDirectElectrostaticPairIxn_kernel( PmeDirectElectros
outputTorque[1][0] = conversionFactor*(ttm3[1] + ttm3i[1]);
outputTorque[1][1] = conversionFactor*(ttm3[2] + ttm3i[2]);
outputTorque[1][2] = conversionFactor*(ttm3[3] + ttm3i[3]);
//outputTorque[1][2] = conversionFactor*(ttm3_2 + ttm3i_2);
#ifdef AMOEBA_DEBUG
int debugIndex = 0;
......@@ -1299,10 +1298,10 @@ void cudaComputeAmoebaPmeDirectElectrostatic( amoebaGpuContext amoebaGpu )
}
delete debugArray;
#endif
// ---------------------------------------------------------------------------------------
cudaComputeAmoebaMapTorquesAndAddTotalForce( amoebaGpu, amoebaGpu->psTorque, amoebaGpu->psForce, gpu->psForce4 );
}
/**---------------------------------------------------------------------------------------
......@@ -1315,7 +1314,6 @@ void cudaComputeAmoebaPmeDirectElectrostatic( amoebaGpuContext amoebaGpu )
void cudaComputeAmoebaPmeElectrostatic( amoebaGpuContext amoebaGpu )
{
cudaComputeAmoebaPmeDirectElectrostatic( amoebaGpu );
kCalculateAmoebaPME( amoebaGpu );
}
......
plugins/amoeba/platforms/cuda/src/kernels/kCalculateAmoebaCudaPmeDirectElectrostatic.h
View file @ 6b0ad778
......@@ -236,9 +236,9 @@ if( atomI == targetAtom ){
if( atomI < cAmoebaSim.numberOfAtoms ){
calculatePmeSelfTorqueElectrostaticPairIxn_kernel( localParticle );
//float energy;
//calculatePmeSelfEnergyElectrostaticPairIxn_kernel( localParticle, &energy );
//totalEnergy += energy;
float energy;
calculatePmeSelfEnergyElectrostaticPairIxn_kernel( localParticle, &energy );
totalEnergy += energy;
}
// Write results
......@@ -282,10 +282,8 @@ if( atomI == targetAtom ){
#endif
}
else // 100% utilization
else
{
// Read fixed atom data into registers and GRF
if (lasty != y)
{
// load shared data
......
plugins/amoeba/platforms/cuda/src/kernels/kCalculateAmoebaCudaPmeFixedEField.cu
View file @ 6b0ad778
......@@ -382,10 +382,11 @@ __device__ void calculateFixedFieldRealSpacePairIxn_kernel( FixedFieldParticle&
--------------------------------------------------------------------------------------- */
#ifdef AMOEBA_DEBUG
static int isNanOrInfinity( double number ){
return (number != number || number == std::numeric_limits<double>::infinity() || number == -std::numeric_limits<double>::infinity()) ? 1 : 0;
}
#endif
/**---------------------------------------------------------------------------------------
......@@ -398,13 +399,9 @@ static int isNanOrInfinity( double number ){
static void cudaComputeAmoebaPmeDirectFixedEField( amoebaGpuContext amoebaGpu )
{
// ---------------------------------------------------------------------------------------
// ---------------------------------------------------------------------------------------
gpuContext gpu = amoebaGpu->gpuContext;
#ifdef AMOEBA_DEBUG
static const char* methodName = "computeCudaAmoebaPmeFixedEField";
if( amoebaGpu->log ){
(void) fprintf( amoebaGpu->log, "\n%s\n", methodName ); (void) fflush( amoebaGpu->log );
......@@ -421,8 +418,6 @@ static void cudaComputeAmoebaPmeDirectFixedEField( amoebaGpuContext amoebaGpu )
unsigned int targetAtom = 0;
#endif
int maxPrint = 3002;
amoebaGpu->psE_Field->Download();
(void) fprintf( amoebaGpu->log, "Recip EFields In\n" );
......@@ -448,6 +443,7 @@ static void cudaComputeAmoebaPmeDirectFixedEField( amoebaGpuContext amoebaGpu )
}
(void) fflush( amoebaGpu->log );
(void) fprintf( amoebaGpu->log, "Recip EFields End\n" );
#endif
kClearFields_3( amoebaGpu, 2 );
......
plugins/amoeba/platforms/cuda/src/kernels/kCalculateAmoebaCudaPmeMutualInducedField.cu
View file @ 6b0ad778
......@@ -725,8 +725,6 @@ static void cudaComputeAmoebaPmeMutualInducedFieldBySOR( amoebaGpuContext amoeba
amoebaGpu->mutualInducedDone = done;
amoebaGpu->mutualInducedConverged = ( !done || iteration > amoebaGpu->mutualInducedMaxIterations ) ? 0 : 1;
#ifdef AMOEBA_DEBUG
/*
if( 0 ){
std::vector<int> fileId;
//fileId.push_back( 0 );
......@@ -736,8 +734,6 @@ static void cudaComputeAmoebaPmeMutualInducedFieldBySOR( amoebaGpuContext amoeba
cudaLoadCudaFloatArray( gpu->natoms, 3, amoebaGpu->psInducedDipolePolar, outputVector );
cudaWriteVectorOfDoubleVectorsToFile( "CudaPmeMI", fileId, outputVector );
}
*/
#endif
// ---------------------------------------------------------------------------------------
}
......
plugins/amoeba/platforms/cuda/src/kernels/kCalculateAmoebaRotateFrame.cu
View file @ 6b0ad778
......@@ -389,17 +389,10 @@ void kCalculateAmoebaMultipoleForces(amoebaGpuContext amoebaGpu, bool hasAmoebaG
if( amoebaGpu->multipoleNonbondedMethod == AMOEBA_NO_CUTOFF ){
cudaComputeAmoebaElectrostatic( amoebaGpu );
} else {
cudaComputeAmoebaPmeElectrostatic( amoebaGpu );
}
// map torques to forces
cudaComputeAmoebaMapTorquesAndAddTotalForce( amoebaGpu, amoebaGpu->psTorque, amoebaGpu->psForce, amoebaGpu->gpuContext->psForce4 );
if( 0 && amoebaGpu->log ){
(void) fprintf( amoebaGpu->log, "Done mapping torques -> forces%s\n", methodName.c_str() ); fflush( NULL );
(void) fflush( NULL );
} else {
cudaComputeAmoebaPmeElectrostatic( amoebaGpu );
}
}
......
plugins/amoeba/platforms/cuda/tests/AmoebaTinkerParameterFile.cpp
View file @ 6b0ad778
......@@ -3608,12 +3608,14 @@ Integrator* readAmoebaParameterFile( const std::string& inputParameterFile, MapS
}
} else if( field == "AmoebaRealPmeForce" ||
field == "AmoebaKSpacePmeForce" ||
field == "AmoebaDirAndSForce" ||
field == "AmoebaSelfPmeForce" ){
std::vector< std::vector<double> > vectorOfDoubleVectors;
readVectorOfDoubleVectors( filePtr, tokens, vectorOfDoubleVectors, &lineCount, field, log );
supplementary[field] = vectorOfDoubleVectors;
} else if( field == "AmoebaRealPmeEnergy" ||
field == "AmoebaKSpacePmeEnergy" ||
field == "AmoebaDirAndSEnergy" ||
field == "AmoebaSelfPmeEnergy" ){
double value = atof( tokens[1].c_str() );
std::vector< std::vector<double> > vectorOfDoubleVectors;
......
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