Esempio n. 1
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/*
 * Class:     mpi_Intracomm
 * Method:    Alltoall
 * Signature:
 (Ljava/lang/Object;IILmpi/Datatype;Ljava/lang/Object;IILmpi/Datatype;)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_alltoall(JNIEnv *env, jobject jthis,
                                                   jobject sendbuf, jint sendoffset,
                                                   jint sendcount, jobject sendtype,
                                                   jobject recvbuf, jint recvoffset,
                                                   jint recvcount, jobject recvtype)
{
    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_stype = (MPI_Datatype)
        ((*env)->GetLongField(env,sendtype,ompi_java.DatatypehandleID)) ;
    MPI_Datatype mpi_rtype = (MPI_Datatype)
        ((*env)->GetLongField(env, recvtype, ompi_java.DatatypehandleID)) ;

    int sbaseType = (*env)->GetIntField(env, sendtype, ompi_java.DatatypebaseTypeID) ;
    int rbaseType = (*env)->GetIntField(env, recvtype, ompi_java.DatatypebaseTypeID) ;

    void *sendptr, *recvptr ;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    recvptr = ompi_java_getBufPtr(&rbufbase, env, recvbuf, rbaseType, recvoffset) ;
    sendptr = ompi_java_getBufPtr(&sbufbase, env, sendbuf, sbaseType, sendoffset) ;

    MPI_Alltoall(sendptr, sendcount, mpi_stype,
                 recvptr, recvcount, mpi_rtype, mpi_comm) ;

    ompi_java_releaseBufPtr(env, sendbuf, sbufbase, sbaseType) ;
    ompi_java_releaseBufPtr(env, recvbuf, rbufbase, rbaseType) ;
}
Esempio n. 2
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/*
 * Class:     mpi_Intracomm
 * Method:    Scan
 * Signature:
 (Ljava/lang/Object;ILjava/lang/Object;IILmpi/Datatype;Lmpi/Op;)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_scan(JNIEnv *env, jobject jthis,
                                               jobject sendbuf, jint sendoffset,
                                               jobject recvbuf, jint recvoffset,
                                               jint count, jobject type, jobject op)
{
    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_type =
        (MPI_Datatype)((*env)->GetLongField(env,type,ompi_java.DatatypehandleID)) ;

    int baseType = (*env)->GetIntField(env, type, ompi_java.DatatypebaseTypeID) ;

    void *sendptr, *recvptr ;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    recvptr = ompi_java_getBufPtr(&rbufbase, env, recvbuf, baseType, recvoffset) ;
    sendptr = ompi_java_getBufPtr(&sbufbase, env, sendbuf, baseType, sendoffset) ;

    MPI_Scan(sendptr, recvptr, count, mpi_type,
             (MPI_Op)((*env)->GetLongField(env,op,ompi_java.OphandleID)),
             mpi_comm) ;

    ompi_java_releaseBufPtr(env, sendbuf, sbufbase, baseType) ;
    ompi_java_releaseBufPtr(env, recvbuf, rbufbase, baseType) ;
}
Esempio n. 3
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/*
 * Class:     mpi_Intracomm
 * Method:    Scatterv
 * Signature:
 (Ljava/lang/Object;II[ILmpi/Datatype;Ljava/lang/Object;I[ILmpi/Datatype;I)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_scatterv(JNIEnv *env, jobject jthis,
                                                   jobject sendbuf, jint sendoffset,
                                                   jintArray sendcount, jintArray displs,
                                                   jobject sendtype,
                                                   jobject recvbuf, jint recvoffset,
                                                   jint recvcount, jobject recvtype,
                                                   jint root)
{
    int id ;
    jint *scount = NULL, *dps = NULL;
    jboolean isCopy ;

    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_rtype =
        (MPI_Datatype)((*env)->GetLongField(env,recvtype,ompi_java.DatatypehandleID)) ;
    MPI_Datatype mpi_stype = mpi_rtype;

    int sbaseType ;
    int rbaseType = (*env)->GetIntField(env, recvtype, ompi_java.DatatypebaseTypeID) ;

    void *sendptr = NULL, *recvptr ;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    MPI_Comm_rank(mpi_comm, &id) ;
    if(id == root) {
        mpi_stype = (MPI_Datatype)
            ((*env)->GetLongField(env,sendtype,ompi_java.DatatypehandleID)) ;

        sbaseType = (*env)->GetIntField(env, sendtype, ompi_java.DatatypebaseTypeID) ;

        scount = (*env)->GetIntArrayElements(env,sendcount,&isCopy);
        dps    = (*env)->GetIntArrayElements(env,displs,&isCopy);
    }

    recvptr = ompi_java_getBufPtr(&rbufbase, env, recvbuf, rbaseType, recvoffset) ;

    if (id == root) {
        sendptr = ompi_java_getBufPtr(&sbufbase,
                                         env, sendbuf, sbaseType, sendoffset);
    }

    MPI_Scatterv(sendptr, (int*) scount, (int*) dps, mpi_stype,
                 recvptr, recvcount, mpi_rtype,
                 root, mpi_comm) ;

    if (id == root) {
        ompi_java_releaseBufPtr(env, sendbuf, sbufbase, sbaseType);
    }

    ompi_java_releaseBufPtr(env, recvbuf, rbufbase, rbaseType) ;

    if (id == root) {
        (*env)->ReleaseIntArrayElements(env, sendcount, scount, JNI_ABORT);
        (*env)->ReleaseIntArrayElements(env, displs, dps, JNI_ABORT);
    }
}
Esempio n. 4
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/*
 * Class:     mpi_Group
 * Method:    range_excl
 * Signature: ([[I)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Group_range_1excl(JNIEnv *env, jobject jthis, jobjectArray ranges)
{
    int i;
    int n=(*env)->GetArrayLength(env,ranges);
    jboolean isCopy=JNI_TRUE;
    MPI_Group newgroup;
    /*    jint **rngs=(jint**)calloc(n,sizeof(jint*)); */
    int (*rngs) [3] =(int (*) [3])calloc(n,sizeof(int[3]));
    jintArray *jrngs=(jobject*)calloc(n,sizeof(jintArray));

    ompi_java_clearFreeList(env) ;

    for(i=0;i<n;i++) {
        jint* vec;
        jrngs[i]=(*env)->GetObjectArrayElement(env,ranges,i);
	vec=(*env)->GetIntArrayElements(env,
                                        jrngs[i],&isCopy);
        rngs [i] [0] = vec [0] ;
        rngs [i] [1] = vec [1] ;
        rngs [i] [2] = vec [2] ;
    	        
	(*env)->ReleaseIntArrayElements(env,jrngs[i],vec,0);
    }
    MPI_Group_range_excl((MPI_Group)((*env)->GetLongField(env,jthis,ompi_java.GrouphandleID)),
                         n, rngs,&newgroup);

    free(rngs);
    free(jrngs);
    return (jlong)newgroup;
}
Esempio n. 5
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/*
 * Class:     mpi_Intracomm
 * Method:    GetCart
 * Signature: ([I[ZZ)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Intracomm_GetCart(JNIEnv *env, jobject jthis,
                                                   jintArray dims, jbooleanArray periods,
                                                   jboolean reorder)
{
    MPI_Comm cart;
    int ndims=(*env)->GetArrayLength(env,dims);
    jboolean isCopy=JNI_TRUE;
    jint *ds; jboolean *ps;
    int i;
    int *int_re_ds=(int*)calloc((*env)->GetArrayLength(env,periods),
                                sizeof(int));

    ompi_java_clearFreeList(env) ;

    ds=(*env)->GetIntArrayElements(env,dims,&isCopy);
    ps=(*env)->GetBooleanArrayElements(env,periods,&isCopy);

    for(i=0;i<=(*env)->GetArrayLength(env,periods);i++)
        if(ps[i]==JNI_TRUE)
            int_re_ds[i]=1;
        else
            int_re_ds[i]=0;

    MPI_Cart_create((MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)), 
                    ndims, (int*)ds, int_re_ds, reorder, &cart);
    (*env)->ReleaseIntArrayElements(env,dims,ds,0);
    (*env)->ReleaseBooleanArrayElements(env,periods,ps,0);
    free(int_re_ds);
    return (jlong)cart;
}
Esempio n. 6
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/* * Class:     mpi_Group
 * Method:    Rank
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_mpi_Group_Rank(JNIEnv *env, jobject jthis)
{
    int rank;

    ompi_java_clearFreeList(env) ;

    MPI_Group_rank((MPI_Group)((*env)->GetLongField(env,jthis,ompi_java.GrouphandleID)),
                   &rank);
    return rank;
}
Esempio n. 7
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/*
 * Class:     mpi_Group
 * Method:    Size
 * Signature: ()I
 */
JNIEXPORT jint JNICALL Java_mpi_Group_Size(JNIEnv *env, jobject jthis)
{
    int size;

    ompi_java_clearFreeList(env) ;

    MPI_Group_size((MPI_Group)((*env)->GetLongField(env,jthis,ompi_java.GrouphandleID)),
                   &size);
    return size;
}
Esempio n. 8
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/*
 * Class:     mpi_Intracomm
 * Method:    Gather
 * Signature:
 (Ljava/lang/Object;IILmpi/Datatype;Ljava/lang/Object;IILmpi/Datatype;I)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_gather(JNIEnv *env, jobject jthis,
                                                 jobject sendbuf, jint sendoffset,
                                                 jint sendcount, jobject sendtype,
                                                 jobject recvbuf, jint recvoffset,
                                                 jint recvcount, jobject recvtype,
                                                 jint root)
{
    int id ;

    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_stype =
        (MPI_Datatype)((*env)->GetLongField(env,sendtype,ompi_java.DatatypehandleID)) ;
    MPI_Datatype mpi_rtype = (MPI_Datatype)
        ((*env)->GetLongField(env, recvtype, ompi_java.DatatypehandleID)) ;

    int sbaseType = (*env)->GetIntField(env, sendtype, ompi_java.DatatypebaseTypeID) ;
    int rbaseType ;

    void *sendptr, *recvptr = NULL;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    MPI_Comm_rank(mpi_comm, &id) ;
    if(id == root) {
        /* 
         * In principle need the "id == root" check here and elsewere for
         * correctness, in case arguments that are not supposed to be
         * significant except on root are legitimately passed in as `null',
         * say.  Shouldn't produce null pointer exception.
         *
         * (However in this case MPICH complains if `mpi_rtype' is not defined
         * in all processes, notwithstanding what the spec says.)
         */

        rbaseType = (*env)->GetIntField(env, recvtype, ompi_java.DatatypebaseTypeID) ;

        recvptr = ompi_java_getBufPtr(&rbufbase,
                                         env, recvbuf, rbaseType, recvoffset) ;
    }

    sendptr = ompi_java_getBufPtr(&sbufbase, env, sendbuf, sbaseType, sendoffset) ;

    MPI_Gather(sendptr, sendcount, mpi_stype,
               recvptr, recvcount, mpi_rtype, root, mpi_comm) ;

    ompi_java_releaseBufPtr(env, sendbuf, sbufbase, sbaseType) ;

    if (id == root) {
        ompi_java_releaseBufPtr(env, recvbuf, rbufbase, rbaseType);
    }
}
Esempio n. 9
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/*
 * Class:     mpi_Group
 * Method:    difference
 * Signature: (Lmpi/Group;Lmpi/Group;)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Group_difference(JNIEnv *env, jclass jthis,
                                                  jobject group1, jobject group2)
{
    MPI_Group newgroup;

    ompi_java_clearFreeList(env) ;

    MPI_Group_difference((MPI_Group)((*env)->GetLongField(env,group1,ompi_java.GrouphandleID)),
                         (MPI_Group)((*env)->GetLongField(env,group2,ompi_java.GrouphandleID)),
                         &newgroup);
    return (jlong)newgroup;
}
Esempio n. 10
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/*
 * Class:     mpi_Group
 * Method:    Compare
 * Signature: (Lmpi/Group;Lmpi/Group;)I
 */
JNIEXPORT jint JNICALL Java_mpi_Group_Compare(JNIEnv *env, jclass jthis,
                                              jobject group1, jobject group2)
{
    int result;

    ompi_java_clearFreeList(env) ;

    MPI_Group_compare((MPI_Group)((*env)->GetLongField(env,group1,ompi_java.GrouphandleID)),
                      (MPI_Group)((*env)->GetLongField(env,group2,ompi_java.GrouphandleID)),
                      &result);
    return result;
}
Esempio n. 11
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/*
 * Class:     mpi_Intracomm
 * Method:    split
 * Signature: (II)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Intracomm_split(JNIEnv *env, jobject jthis,
                                                 jint colour, jint key)
{
    MPI_Comm newcomm;

    ompi_java_clearFreeList(env) ;

    MPI_Comm_split((MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)),
                   colour, key, &newcomm);

    return (jlong)newcomm;
}
Esempio n. 12
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/*
 * Class:     mpi_Intracomm
 * Method:    creat
 * Signature: (Lmpi/Group;)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Intracomm_creat(JNIEnv *env, jobject jthis,
                                                 jobject group)
{
    MPI_Comm newcomm;

    ompi_java_clearFreeList(env) ;

    MPI_Comm_create((MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)),
                    (MPI_Group)((*env)->GetLongField(env,group,ompi_java.GrouphandleID)),
                    &newcomm);
    return (jlong)newcomm;
}
Esempio n. 13
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/*
 * Class:     mpi_Intracomm
 * Method:    bcast
 * Signature: (Ljava/lang/Object;IILmpi/Datatype;I)V
 */
JNIEXPORT void JNICALL Java_mpi_Intracomm_bcast(JNIEnv *env, jobject jthis,
                                                jobject buf, jint offset,
                                                jint count, jobject type, jint root)
{
    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;
    MPI_Datatype mpi_type =
        (MPI_Datatype)((*env)->GetLongField(env,type,ompi_java.DatatypehandleID)) ;

    int baseType = (*env)->GetIntField(env, type, ompi_java.DatatypebaseTypeID) ;

    void *bufptr ;

#ifdef GC_DOES_PINNING

    void *bufbase ;

    ompi_java_clearFreeList(env) ;

    bufptr = ompi_java_getBufPtr(&bufbase, env, buf, baseType, offset) ;
    MPI_Bcast(bufptr, count, mpi_type, root, mpi_comm) ;
    ompi_java_releaseBufPtr(env, buf, bufbase, baseType) ;

#else

    int size ;

    ompi_java_clearFreeList(env) ;

    bufptr = ompi_java_getMPIBuf(&size, env, buf, offset,
                                    count, mpi_type, mpi_comm, baseType) ;

    MPI_Bcast(bufptr, size, MPI_BYTE, root, mpi_comm) ;

    ompi_java_releaseMPIBuf(env, buf, offset, count, mpi_type, mpi_comm,
                               bufptr, size, baseType) ;

#endif  /* GC_DOES_PINNING */
}
Esempio n. 14
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/*
 * Class:     mpi_Intracomm
 * Method:    Scatter
 * Signature:
 (Ljava/lang/Object;IILmpi/Datatype;Ljava/lang/Object;IILmpi/Datatype;I)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_scatter(JNIEnv *env, jobject jthis,
                                                  jobject sendbuf, jint sendoffset,
                                                  jint sendcount, jobject sendtype,
                                                  jobject recvbuf, jint recvoffset,
                                                  jint recvcount, jobject recvtype,
                                                  jint root)
{
    int id ;
    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_stype =
        (MPI_Datatype) ((*env)->GetLongField(env,sendtype,ompi_java.DatatypehandleID)) ;
    /* MPICH complains if `mpi_stype' is not defined
     * in all processes, notwithstanding what the spec says. */

    MPI_Datatype mpi_rtype =
        (MPI_Datatype)((*env)->GetLongField(env,recvtype,ompi_java.DatatypehandleID)) ;


    int sbaseType ;
    int rbaseType = (*env)->GetIntField(env, recvtype, ompi_java.DatatypebaseTypeID) ;

    void *sendptr = NULL, *recvptr ;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    MPI_Comm_rank(mpi_comm, &id) ;
    if (id == root) {
        sbaseType = (*env)->GetIntField(env, sendtype, ompi_java.DatatypebaseTypeID) ;
    }

    recvptr = ompi_java_getBufPtr(&rbufbase, env, recvbuf, rbaseType, recvoffset) ;

    if (id == root) {
        sendptr = ompi_java_getBufPtr(&sbufbase,
                                         env, sendbuf, sbaseType, sendoffset);
    }

    MPI_Scatter(sendptr, sendcount, mpi_stype,
                recvptr, recvcount, mpi_rtype, root, mpi_comm) ;

    if (id == root) {
        ompi_java_releaseBufPtr(env, sendbuf, sbufbase, sbaseType);
    }

    ompi_java_releaseBufPtr(env, recvbuf, rbufbase, rbaseType);
}
Esempio n. 15
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/*
 * Class:     mpi_Group
 * Method:    excl
 * Signature: ([I)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Group_excl(JNIEnv *env, jobject jthis, jintArray ranks)
{
    int n;
    jint *rks;
    jboolean isCopy=JNI_TRUE;
    MPI_Group newgroup;

    ompi_java_clearFreeList(env) ;

    n=(*env)->GetArrayLength(env,ranks);
    rks=(*env)->GetIntArrayElements(env,ranks,&isCopy);
    MPI_Group_excl((MPI_Group)((*env)->GetLongField(env,jthis,ompi_java.GrouphandleID)),
                   n, (int*)rks,
                   &newgroup);
    (*env)->ReleaseIntArrayElements(env,ranks,rks,0);
    return (jlong)newgroup;
}
Esempio n. 16
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/*
 * Class:     mpi_Intracomm
 * Method:    Alltoallv
 * Signature:
 (Ljava/lang/Object;II[ILmpi/Datatype;Ljava/lang/Object;I[I[ILmpi/Datatype;)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_alltoallv(JNIEnv *env, jobject jthis,
                                                    jobject sendbuf, jint sendoffset, jintArray sendcount, 
                                                    jintArray sdispls, jobject sendtype,
                                                    jobject recvbuf, jint recvoffset, jintArray recvcount,
                                                    jintArray rdispls, jobject recvtype)
{
    jint *rcount, *scount, *sdps, *rdps ;
    jboolean isCopy ;

    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_stype = (MPI_Datatype)
        ((*env)->GetLongField(env,sendtype,ompi_java.DatatypehandleID)) ;
    MPI_Datatype mpi_rtype = (MPI_Datatype)
        ((*env)->GetLongField(env, recvtype, ompi_java.DatatypehandleID)) ;

    int sbaseType = (*env)->GetIntField(env, sendtype, ompi_java.DatatypebaseTypeID) ;
    int rbaseType = (*env)->GetIntField(env, recvtype, ompi_java.DatatypebaseTypeID) ;

    void *sendptr, *recvptr ;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    scount=(*env)->GetIntArrayElements(env,sendcount,&isCopy);
    rcount=(*env)->GetIntArrayElements(env,recvcount,&isCopy);
    sdps=(*env)->GetIntArrayElements(env,sdispls,&isCopy);
    rdps=(*env)->GetIntArrayElements(env,rdispls,&isCopy);

    recvptr = ompi_java_getBufPtr(&rbufbase, env, recvbuf, rbaseType, recvoffset) ;
    sendptr = ompi_java_getBufPtr(&sbufbase, env, sendbuf, sbaseType, sendoffset) ;

    MPI_Alltoallv(sendptr, (int*) scount, (int*) sdps, mpi_stype,
                  recvptr, (int*) rcount, (int*) rdps, mpi_rtype,
                  mpi_comm) ;

    ompi_java_releaseBufPtr(env, sendbuf, sbufbase, sbaseType) ;
    ompi_java_releaseBufPtr(env, recvbuf, rbufbase, rbaseType) ;

    (*env)->ReleaseIntArrayElements(env,recvcount,rcount,JNI_ABORT);
    (*env)->ReleaseIntArrayElements(env,sendcount,scount,JNI_ABORT);
    (*env)->ReleaseIntArrayElements(env,sdispls,sdps,JNI_ABORT);
    (*env)->ReleaseIntArrayElements(env,rdispls,rdps,JNI_ABORT);
}
Esempio n. 17
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/*
 * Class:     mpi_Intracomm
 * Method:    GetGraph
 * Signature: ([I[IZ)J
 */
JNIEXPORT jlong JNICALL Java_mpi_Intracomm_GetGraph(JNIEnv *env, jobject jthis,
                                                    jintArray index, jintArray edges,
                                                    jboolean reorder)
{
    MPI_Comm graph;
    int nnodes=(*env)->GetArrayLength(env,index);
    jboolean isCopy=JNI_TRUE;
    jint *ind, *edg;

    ompi_java_clearFreeList(env) ;

    ind=(*env)->GetIntArrayElements(env,index,&isCopy);
    edg=(*env)->GetIntArrayElements(env,edges,&isCopy);
    MPI_Graph_create((MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)),
                     nnodes, (int*)ind, (int*)edg, reorder, &graph);
    (*env)->ReleaseIntArrayElements(env,index,ind,0);
    (*env)->ReleaseIntArrayElements(env,edges,edg,0);
    return (jlong)graph;
}
Esempio n. 18
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/*
 * Class:     mpi_Group
 * Method:    Translate_ranks
 * Signature: (Lmpi/Group;[ILmpi/Group;)[I
 */
JNIEXPORT jintArray JNICALL Java_mpi_Group_Translate_1ranks(JNIEnv *env, jclass jthis,
                                                            jobject group1, jintArray ranks1,
                                                            jobject group2)
{
    jboolean isCopy=JNI_TRUE;
    int n=(*env)->GetArrayLength(env,ranks1);
    jint *rks1,*rks2;
    jintArray jranks2;

    ompi_java_clearFreeList(env) ;

    rks1=(*env)->GetIntArrayElements(env,ranks1,&isCopy);
    jranks2=(*env)->NewIntArray(env,n);
    rks2=(*env)->GetIntArrayElements(env,jranks2,&isCopy);
    MPI_Group_translate_ranks((MPI_Group)((*env)->GetLongField(env,group1,ompi_java.GrouphandleID)),
                              n, (int*)rks1,
                              (MPI_Group)((*env)->GetLongField(env,group2,ompi_java.GrouphandleID)),
                              (int*)rks2);
    (*env)->ReleaseIntArrayElements(env,ranks1,rks1,0);
    (*env)->ReleaseIntArrayElements(env,jranks2,rks2,0);
    return jranks2;
}
Esempio n. 19
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/*
 * Class:     mpi_Intracomm
 * Method:    Reduce
 * Signature:
 (Ljava/lang/Object;ILjava/lang/Object;IILmpi/Datatype;Lmpi/Op;I)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_reduce(JNIEnv *env, jobject jthis,
                                                 jobject sendbuf, jint sendoffset,
                                                 jobject recvbuf, jint recvoffset,
                                                 jint count, jobject type, jobject op, jint root)
{
    int id ;

    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_type =
        (MPI_Datatype)((*env)->GetLongField(env,type,ompi_java.DatatypehandleID)) ;

    int baseType = (*env)->GetIntField(env, type, ompi_java.DatatypebaseTypeID) ;

    void *sendptr, *recvptr = NULL;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    MPI_Comm_rank(mpi_comm, &id) ;

    if (id == root) {
        recvptr = ompi_java_getBufPtr(&rbufbase,
                                         env, recvbuf, baseType, recvoffset);
    }

    sendptr = ompi_java_getBufPtr(&sbufbase, env, sendbuf, baseType, sendoffset) ;

    MPI_Reduce(sendptr, recvptr, count, mpi_type,
               (MPI_Op)((*env)->GetLongField(env,op,ompi_java.OphandleID)),
               root, mpi_comm) ;

    ompi_java_releaseBufPtr(env, sendbuf, sbufbase, baseType) ;

    if (id == root) {
        ompi_java_releaseBufPtr(env, recvbuf, rbufbase, baseType);
    }
}
Esempio n. 20
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/*
 * Class:     mpi_Intracomm
 * Method:    Reduce_scatter
 * Signature:
 (Ljava/lang/Object;ILjava/lang/Object;I[ILmpi/Datatype;Lmpi/Op;)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_reduce_1scatter(JNIEnv *env,
                                                          jobject jthis,
                                                          jobject sendbuf, jint sendoffset,
                                                          jobject recvbuf, jint recvoffset,
                                                          jintArray recvcount,
                                                          jobject type, jobject op)
{
    jint *rcount;
    jboolean isCopy ;

    MPI_Comm mpi_comm =
        (MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)) ;

    MPI_Datatype mpi_type =
        (MPI_Datatype)((*env)->GetLongField(env,type,ompi_java.DatatypehandleID)) ;

    int baseType = (*env)->GetIntField(env, type, ompi_java.DatatypebaseTypeID) ;

    void *sendptr, *recvptr ;
    void *sbufbase, *rbufbase ;

    ompi_java_clearFreeList(env) ;

    rcount=(*env)->GetIntArrayElements(env,recvcount,&isCopy);

    recvptr = ompi_java_getBufPtr(&rbufbase, env, recvbuf, baseType, recvoffset) ;
    sendptr = ompi_java_getBufPtr(&sbufbase, env, sendbuf, baseType, sendoffset) ;

    MPI_Reduce_scatter(sendptr, recvptr, (int*) rcount, mpi_type,
                       (MPI_Op)((*env)->GetLongField(env,op,ompi_java.OphandleID)),
                       mpi_comm) ;

    ompi_java_releaseBufPtr(env, sendbuf, sbufbase, baseType) ;
    ompi_java_releaseBufPtr(env, recvbuf, rbufbase, baseType) ;

    (*env)->ReleaseIntArrayElements(env,recvcount,rcount,JNI_ABORT);
}
Esempio n. 21
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/*
 * Class:     mpi_Intracomm
 * Method:    Reduce_local
 * Signature:
 (Ljava/lang/Object;ILjava/lang/Object;IILmpi/Datatype;Lmpi/Op;I)V
*/
JNIEXPORT void JNICALL Java_mpi_Intracomm_reduce_1local(JNIEnv *env, jobject jthis,
                                                        jobject inbuf, jobject inoutbuf,
                                                        jint count, jobject type,
                                                        jobject op)
{
    MPI_Datatype mpi_type =
        (MPI_Datatype)((*env)->GetLongField(env,type,ompi_java.DatatypehandleID)) ;

    int baseType = (*env)->GetIntField(env, type, ompi_java.DatatypebaseTypeID) ;

    void *inptr, *inoutptr = NULL;
    void *inbase, *inoutbase ;

    ompi_java_clearFreeList(env) ;

    inptr = ompi_java_getBufPtr(&inbase, env, inbuf, baseType, 0) ;
    inoutptr = ompi_java_getBufPtr(&inoutbase, env, inoutbuf, baseType, 0) ;

    MPI_Reduce_local(inptr, inoutptr, count, mpi_type,
               (MPI_Op)((*env)->GetLongField(env,op,ompi_java.OphandleID))) ;

    ompi_java_releaseBufPtr(env, inbuf, inbase, baseType) ;
    ompi_java_releaseBufPtr(env, inoutbuf, inoutbase, baseType) ;
}
Esempio n. 22
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/*
 * Class:     mpi_Intracomm
 * Method:    Barrier
 * Signature: ()V
 */
JNIEXPORT void JNICALL Java_mpi_Intracomm_Barrier(JNIEnv *env, jobject jthis)
{
    ompi_java_clearFreeList(env) ;

    MPI_Barrier((MPI_Comm)((*env)->GetLongField(env,jthis,ompi_java.CommhandleID)));
}