void Foam::processorLduInterface::receive
(
    const Pstream::commsTypes commsType,
    UList<Type>& f
) const
{
    if (commsType == Pstream::blocking || commsType == Pstream::scheduled)
    {
        IPstream::read
        (
            commsType,
            neighbProcNo(),
            reinterpret_cast<char*>(f.begin()),
            f.byteSize(),
            tag()
        );
    }
    else if (commsType == Pstream::nonBlocking)
    {
        memcpy(f.begin(), receiveBuf_.begin(), f.byteSize());
    }
    else
    {
        FatalErrorIn("processorLduInterface::receive")
            << "Unsupported communications type " << commsType
            << exit(FatalError);
    }
}
void Foam::processorLduInterface::send
(
    const Pstream::commsTypes commsType,
    const UList<Type>& f
) const
{
    label nBytes = f.byteSize();

    if
    (
        commsType == Pstream::commsTypes::blocking
     || commsType == Pstream::commsTypes::scheduled
    )
    {
        OPstream::write
        (
            commsType,
            neighbProcNo(),
            reinterpret_cast<const char*>(f.begin()),
            nBytes,
            tag(),
            comm()
        );
    }
    else if (commsType == Pstream::commsTypes::nonBlocking)
    {
        resizeBuf(receiveBuf_, nBytes);

        IPstream::read
        (
            commsType,
            neighbProcNo(),
            receiveBuf_.begin(),
            nBytes,
            tag(),
            comm()
        );

        resizeBuf(sendBuf_, nBytes);
        memcpy(sendBuf_.begin(), f.begin(), nBytes);

        OPstream::write
        (
            commsType,
            neighbProcNo(),
            sendBuf_.begin(),
            nBytes,
            tag(),
            comm()
        );
    }
    else
    {
        FatalErrorInFunction
            << "Unsupported communications type " << int(commsType)
            << exit(FatalError);
    }
}
Beispiel #3
0
bool Foam::UList<T>::operator<(const UList<T>& a) const
{
    for
    (
        const_iterator vi = begin(), ai = a.begin();
        vi < end() && ai < a.end();
        vi++, ai++
    )
    {
        if (*vi < *ai)
        {
            return true;
        }
        else if (*vi > *ai)
        {
            return false;
        }
    }

    if (this->size_ < a.size_)
    {
        return true;
    }
    else
    {
        return false;
    }
}
void Foam::processorLduInterface::compressedReceive
(
    const Pstream::commsTypes commsType,
    UList<Type>& f
) const
{
    if (sizeof(scalar) != sizeof(float) && Pstream::floatTransfer && f.size())
    {
        static const label nCmpts = sizeof(Type)/sizeof(scalar);
        label nm1 = (f.size() - 1)*nCmpts;
        label nlast = sizeof(Type)/sizeof(float);
        label nFloats = nm1 + nlast;
        label nBytes = nFloats*sizeof(float);

        if
        (
            commsType == Pstream::commsTypes::blocking
         || commsType == Pstream::commsTypes::scheduled
        )
        {
            resizeBuf(receiveBuf_, nBytes);

            IPstream::read
            (
                commsType,
                neighbProcNo(),
                receiveBuf_.begin(),
                nBytes,
                tag(),
                comm()
            );
        }
        else if (commsType != Pstream::commsTypes::nonBlocking)
        {
            FatalErrorInFunction
                << "Unsupported communications type " << int(commsType)
                << exit(FatalError);
        }

        const float *fArray =
            reinterpret_cast<const float*>(receiveBuf_.begin());
        f.last() = reinterpret_cast<const Type&>(fArray[nm1]);
        scalar *sArray = reinterpret_cast<scalar*>(f.begin());
        const scalar *slast = &sArray[nm1];

        for (label i=0; i<nm1; i++)
        {
            sArray[i] = fArray[i] + slast[i%nCmpts];
        }
    }
    else
    {
        this->receive<Type>(commsType, f);
    }
}
Beispiel #5
0
void Foam::shuffle(UList<T>& a)
{
    std::random_shuffle(a.begin(), a.end());
}
Beispiel #6
0
void Foam::stableSort(UList<T>& a, const Cmp& cmp)
{
    std::stable_sort(a.begin(), a.end(), cmp);
}
Beispiel #7
0
void Foam::stableSort(UList<T>& a)
{
    std::stable_sort(a.begin(), a.end());
}
void Foam::processorLduInterface::compressedSend
(
    const Pstream::commsTypes commsType,
    const UList<Type>& f
) const
{
    if (sizeof(scalar) != sizeof(float) && Pstream::floatTransfer && f.size())
    {
        static const label nCmpts = sizeof(Type)/sizeof(scalar);
        label nm1 = (f.size() - 1)*nCmpts;
        label nlast = sizeof(Type)/sizeof(float);
        label nFloats = nm1 + nlast;
        label nBytes = nFloats*sizeof(float);

        const scalar *sArray = reinterpret_cast<const scalar*>(f.begin());
        const scalar *slast = &sArray[nm1];
        resizeBuf(sendBuf_, nBytes);
        float *fArray = reinterpret_cast<float*>(sendBuf_.begin());

        for (register label i=0; i<nm1; i++)
        {
            fArray[i] = sArray[i] - slast[i%nCmpts];
        }

        reinterpret_cast<Type&>(fArray[nm1]) = f.last();

        if (commsType == Pstream::blocking || commsType == Pstream::scheduled)
        {
            OPstream::write
            (
                commsType,
                neighbProcNo(),
                sendBuf_.begin(),
                nBytes,
                tag()
            );
        }
        else if (commsType == Pstream::nonBlocking)
        {
            resizeBuf(receiveBuf_, nBytes);

            IPstream::read
            (
                commsType,
                neighbProcNo(),
                receiveBuf_.begin(),
                receiveBuf_.size(),
                tag()
            );

            OPstream::write
            (
                commsType,
                neighbProcNo(),
                sendBuf_.begin(),
                nBytes,
                tag()
            );
        }
        else
        {
            FatalErrorIn("processorLduInterface::compressedSend")
                << "Unsupported communications type " << commsType
                << exit(FatalError);
        }
    }
    else
    {
        this->send(commsType, f);
    }
}