void Foam::processorGAMGInterfaceField::updateInterfaceMatrix
(
solveScalarField& result,
const bool add,
const solveScalarField&,
const scalarField& coeffs,
const direction cmpt,
const Pstream::commsTypes commsType
) const
{
if (updatedMatrix())
{
return;
}
if
(
commsType == Pstream::commsTypes::nonBlocking
&& !Pstream::floatTransfer
)
{
// Fast path.
if
(
outstandingRecvRequest_ >= 0
&& outstandingRecvRequest_ < Pstream::nRequests()
)
{
UPstream::waitRequest(outstandingRecvRequest_);
}
// Recv finished so assume sending finished as well.
outstandingSendRequest_ = -1;
outstandingRecvRequest_ = -1;
// Consume straight from scalarReceiveBuf_
// Transform according to the transformation tensor
transformCoupleField(scalarReceiveBuf_, cmpt);
// Multiply the field by coefficients and add into the result
addToInternalField(result, !add, coeffs, scalarReceiveBuf_);
}
else
{
solveScalarField pnf
(
procInterface_.compressedReceive<solveScalar>
(
commsType,
coeffs.size()
)
);
transformCoupleField(pnf, cmpt);
addToInternalField(result, !add, coeffs, pnf);
}
const_cast<processorGAMGInterfaceField&>(*this).updatedMatrix() = true;
}
void Foam::processorGAMGInterfaceField::updateInterfaceMatrix
(
scalarField& result,
const scalarField&,
const scalarField& coeffs,
const direction cmpt,
const Pstream::commsTypes commsType
) const
{
if (updatedMatrix())
{
return;
}
label oldWarn = UPstream::warnComm;
UPstream::warnComm = comm();
const labelUList& faceCells = procInterface_.faceCells();
if (commsType == Pstream::nonBlocking && !Pstream::floatTransfer)
{
// Fast path.
if
(
outstandingRecvRequest_ >= 0
&& outstandingRecvRequest_ < Pstream::nRequests()
)
{
UPstream::waitRequest(outstandingRecvRequest_);
}
// Recv finished so assume sending finished as well.
outstandingSendRequest_ = -1;
outstandingRecvRequest_ = -1;
// Consume straight from scalarReceiveBuf_
// Transform according to the transformation tensor
transformCoupleField(scalarReceiveBuf_, cmpt);
// Multiply the field by coefficients and add into the result
forAll(faceCells, elemI)
{
result[faceCells[elemI]] -= coeffs[elemI]*scalarReceiveBuf_[elemI];
}
}
void Foam::processorGAMGInterfaceField::updateInterfaceMatrix
(
scalargpuField& result,
const scalargpuField&,
const scalargpuField& coeffs,
const direction cmpt,
const Pstream::commsTypes commsType
) const
{
if (updatedMatrix())
{
return;
}
label oldWarn = UPstream::warnComm;
UPstream::warnComm = comm();
if (commsType == Pstream::nonBlocking && !Pstream::floatTransfer)
{
// Fast path.
if
(
outstandingRecvRequest_ >= 0
&& outstandingRecvRequest_ < Pstream::nRequests()
)
{
UPstream::waitRequest(outstandingRecvRequest_);
}
// Recv finished so assume sending finished as well.
outstandingSendRequest_ = -1;
outstandingRecvRequest_ = -1;
// Consume straight from scalarReceiveBuf_
if( ! Pstream::gpuDirectTransfer)
{
scalargpuReceiveBuf_ = scalarReceiveBuf_;
}
// Transform according to the transformation tensor
transformCoupleField(scalargpuReceiveBuf_, cmpt);
// Multiply the field by coefficients and add into the result
GAMGUpdateInterfaceMatrix
(
result,
coeffs,
scalargpuReceiveBuf_,
procInterface_
);
}
else
{
scalargpuReceiveBuf_.setSize(coeffs.size());
procInterface_.compressedReceive<scalar>(commsType, scalargpuReceiveBuf_);
transformCoupleField(scalargpuReceiveBuf_, cmpt);
GAMGUpdateInterfaceMatrix
(
result,
coeffs,
scalargpuReceiveBuf_,
procInterface_
);
}
const_cast<processorGAMGInterfaceField&>(*this).updatedMatrix() = true;
UPstream::warnComm = oldWarn;
}
