• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

C++ NBC_Sched_commit函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中NBC_Sched_commit函数的典型用法代码示例。如果您正苦于以下问题:C++ NBC_Sched_commit函数的具体用法?C++ NBC_Sched_commit怎么用?C++ NBC_Sched_commit使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了NBC_Sched_commit函数的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: ompi_coll_libnbc_ibarrier_inter

int ompi_coll_libnbc_ibarrier_inter(struct ompi_communicator_t *comm, ompi_request_t ** request,
                                    struct mca_coll_base_module_2_1_0_t *module)
{
  int rank, res, rsize, peer;
  NBC_Schedule *schedule;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);

  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Comm_remote_size(comm, &rsize);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_remote_size() (%i)\n", res); return res; }

  handle->tmpbuf=(void*)malloc(2*sizeof(char));

  schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
  if (NULL == schedule) { printf("Error in malloc()\n"); return res; }

  res = NBC_Sched_create(schedule);
  if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }

  if (0 == rank) {
    for (peer = 1 ; peer < rsize ; ++peer) {
      res = NBC_Sched_recv (0, true, 1, MPI_BYTE, peer, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
    }
  }

  /* synchronize with the remote root */
  res = NBC_Sched_recv (0, true, 1, MPI_BYTE, 0, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }

  res = NBC_Sched_send (0, true, 1, MPI_BYTE, 0, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }

  if (0 == rank) {
    /* wait for the remote root */
    res = NBC_Sched_barrier(schedule);
    if (NBC_OK != res) { printf("Error in NBC_Sched_barrier() (%i)\n", res); return res; }

    /* inform remote peers that all local peers have entered the barrier */
    for (peer = 0 ; peer < rsize ; ++peer) {
      res = NBC_Sched_send (0, true, 1, MPI_BYTE, peer, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
    }
  }

  res = NBC_Sched_commit(schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }

  res = NBC_Start(handle, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }

  return NBC_OK;
}
开发者ID:ORNL,项目名称:ompi,代码行数:60,代码来源:nbc_ibarrier.c


示例2: ompi_coll_libnbc_ireduce_inter

int ompi_coll_libnbc_ireduce_inter(const void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype,
				   MPI_Op op, int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
				   struct mca_coll_base_module_2_1_0_t *module) {
  int rank, res, rsize;
  NBC_Schedule *schedule;
  MPI_Aint ext;
  NBC_Handle *handle;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  rank = ompi_comm_rank (comm);
  rsize = ompi_comm_remote_size (comm);

  res = ompi_datatype_type_extent (datatype, &ext);
  if (MPI_SUCCESS != res) {
    NBC_Error("MPI Error in ompi_datatype_type_extent() (%i)", res);
    return res;
  }

  res = NBC_Init_handle(comm, &handle, libnbc_module);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    return res;
  }

  handle->tmpbuf = malloc (ext * count);
  if (OPAL_UNLIKELY(NULL == handle->tmpbuf)) {
    NBC_Return_handle (handle);
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  schedule = OBJ_NEW(NBC_Schedule);
  if (OPAL_UNLIKELY(NULL == schedule)) {
    NBC_Return_handle (handle);
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  res = red_sched_linear (rank, rsize, root, sendbuf, recvbuf, count, datatype, op, schedule, handle);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    NBC_Return_handle (handle);
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  res = NBC_Sched_commit(schedule);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    NBC_Return_handle (handle);
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  res = NBC_Start(handle, schedule);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    NBC_Return_handle (handle);
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  *request = (ompi_request_t *) handle;

  /* tmpbuf is freed with the handle */
  return OMPI_SUCCESS;
}
开发者ID:stefano-garzarella,项目名称:ompi,代码行数:58,代码来源:nbc_ireduce.c


示例3: ompi_coll_libnbc_ialltoallv_inter

/* simple linear Alltoallv */
int ompi_coll_libnbc_ialltoallv_inter (void* sendbuf, int *sendcounts, int *sdispls,
				       MPI_Datatype sendtype, void* recvbuf, int *recvcounts, int *rdispls,
				       MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
				       struct mca_coll_base_module_2_0_0_t *module)
{
  int rank, res, i, rsize;
  MPI_Aint sndext, rcvext;
  NBC_Schedule *schedule;
  char *rbuf, *sbuf;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);
  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Type_extent(sendtype, &sndext);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
  res = MPI_Type_extent(recvtype, &rcvext);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }

  MPI_Comm_remote_size (comm, &rsize);

  schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
  if (NULL == schedule) { printf("Error in malloc() (%i)\n", res); return res; }

  handle->tmpbuf=NULL;

  res = NBC_Sched_create(schedule);
  if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }

  for (i = 0; i < rsize; i++) {
    /* post all sends */
    if(sendcounts[i] != 0) {
      sbuf = ((char *) sendbuf) + (sdispls[i] * sndext);
      res = NBC_Sched_send(sbuf, false, sendcounts[i], sendtype, i, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
    }
    /* post all receives */
    if(recvcounts[i] != 0) {
      rbuf = ((char *) recvbuf) + (rdispls[i] * rcvext);
      res = NBC_Sched_recv(rbuf, false, recvcounts[i], recvtype, i, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
    }
  }

  /*NBC_PRINT_SCHED(*schedule);*/

  res = NBC_Sched_commit(schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }

  res = NBC_Start(handle, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }

  return NBC_OK;
}
开发者ID:Dissolubilis,项目名称:ompi-svn-mirror,代码行数:59,代码来源:nbc_ialltoallv.c


示例4: nbc_allgather_inter_init

static int nbc_allgather_inter_init(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
                                    MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
                                    struct mca_coll_base_module_2_3_0_t *module, bool persistent)
{
  int res, rsize;
  MPI_Aint rcvext;
  NBC_Schedule *schedule;
  char *rbuf;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = ompi_datatype_type_extent(recvtype, &rcvext);
  if (MPI_SUCCESS != res) {
    NBC_Error ("MPI Error in ompi_datatype_type_extent() (%i)", res);
    return res;
  }

  rsize = ompi_comm_remote_size (comm);

  /* set up schedule */
  schedule = OBJ_NEW(NBC_Schedule);
  if (OPAL_UNLIKELY(NULL == schedule)) {
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  /* do rsize - 1 rounds */
  for (int r = 0 ; r < rsize ; ++r) {
    /* recv from rank r */
    rbuf = (char *) recvbuf + r * recvcount * rcvext;
    res = NBC_Sched_recv (rbuf, false, recvcount, recvtype, r, schedule, false);
    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      OBJ_RELEASE(schedule);
      return res;
    }

    /* send to rank r */
    res = NBC_Sched_send (sendbuf, false, sendcount, sendtype, r, schedule, false);
    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      OBJ_RELEASE(schedule);
      return res;
    }
  }

  res = NBC_Sched_commit (schedule);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    OBJ_RELEASE(schedule);
    return res;
  }

  res = NBC_Schedule_request(schedule, comm, libnbc_module, persistent, request, NULL);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    OBJ_RELEASE(schedule);
    return res;
  }

  return OMPI_SUCCESS;
}
开发者ID:ICLDisco,项目名称:ompi,代码行数:56,代码来源:nbc_iallgather.c


示例5: ompi_coll_libnbc_igatherv_inter

int ompi_coll_libnbc_igatherv_inter (void* sendbuf, int sendcount, MPI_Datatype sendtype,
				     void* recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype,
				     int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
				     struct mca_coll_base_module_2_0_0_t *module) {
  int rank, p, res, i, rsize;
  MPI_Aint rcvext;
  NBC_Schedule *schedule;
  char *rbuf;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);
  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Comm_size(comm, &p);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_size() (%i)\n", res); return res; }
  res = MPI_Comm_remote_size (comm, &rsize);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_remote_size() (%i)\n", res); return res; }

  if (MPI_ROOT == root) {
    res = MPI_Type_extent(recvtype, &rcvext);
    if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
  }
  handle->tmpbuf = NULL;

  schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
  if (NULL == schedule) { printf("Error in malloc() (%i)\n", res); return res; }

  res = NBC_Sched_create(schedule);
  if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }

  /* send to root */
  if (MPI_ROOT != root && MPI_PROC_NULL != root) {
    /* send msg to root */
    res = NBC_Sched_send(sendbuf, false, sendcount, sendtype, root, schedule);
    if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
  } else if (MPI_ROOT == root) {
    for (i = 0 ; i < rsize ; ++i) {
      rbuf = ((char *)recvbuf) + (displs[i]*rcvext);
      /* root receives message to the right buffer */
      res = NBC_Sched_recv(rbuf, false, recvcounts[i], recvtype, i, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
    }
  }

  res = NBC_Sched_commit(schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }

  res = NBC_Start(handle, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }

  return NBC_OK;
}
开发者ID:Dissolubilis,项目名称:ompi-svn-mirror,代码行数:56,代码来源:nbc_igatherv.c


示例6: ompi_coll_libnbc_iallgatherv_inter

int ompi_coll_libnbc_iallgatherv_inter(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int *recvcounts, int *displs,
				       MPI_Datatype recvtype, struct ompi_communicator_t *comm, ompi_request_t ** request,
				       struct mca_coll_base_module_2_1_0_t *module)
{
  int rank, res, r, rsize;
  MPI_Aint rcvext;
  NBC_Schedule *schedule;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);
  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Comm_remote_size(comm, &rsize);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_remote_size() (%i)\n", res); return res; }
  res = MPI_Type_extent(recvtype, &rcvext);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }

  schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
  if (NULL == schedule) { printf("Error in malloc() (%i)\n", res); return res; }

  handle->tmpbuf=NULL;

  res = NBC_Sched_create(schedule);
  if(res != NBC_OK) { printf("Error in NBC_Sched_create, (%i)\n", res); return res; }

  /* do rsize  rounds */
  for (r = 0 ; r < rsize ; ++r) {
    char *rbuf = ((char *)recvbuf) + (displs[r]*rcvext);

    if (recvcounts[r]) {
      res = NBC_Sched_recv(rbuf, false, recvcounts[r], recvtype, r, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
    }
  }

  if (sendcount) {
    for (r = 0 ; r < rsize ; ++r) {
      res = NBC_Sched_send(sendbuf, false, sendcount, sendtype, r, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
    }
  }

  res = NBC_Sched_commit(schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }

  res = NBC_Start(handle, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }

  return NBC_OK;
}
开发者ID:ORNL,项目名称:ompi,代码行数:54,代码来源:nbc_iallgatherv.c


示例7: ompi_coll_libnbc_ibcast_inter

int ompi_coll_libnbc_ibcast_inter(void *buffer, int count, MPI_Datatype datatype, int root,
                                  struct ompi_communicator_t *comm, ompi_request_t ** request,
                                  struct mca_coll_base_module_2_0_0_t *module) {
  int rank, p, res, size, peer;
  NBC_Schedule *schedule;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);
  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Comm_size(comm, &p);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Type_size(datatype, &size);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_size() (%i)\n", res); return res; }
  
  handle->tmpbuf=NULL;

  schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
  
  res = NBC_Sched_create(schedule);
  if(res != NBC_OK) { printf("Error in NBC_Sched_create, res = %i\n", res); return res; }

  if(root != MPI_PROC_NULL) {
    /* send to all others */
    if(root == MPI_ROOT) {
      int remsize;

      res = MPI_Comm_remote_size(comm, &remsize);
      if(MPI_SUCCESS != res) { printf("MPI_Comm_remote_size() failed\n"); return res; }

      for (peer=0;peer<remsize;peer++) {
        /* send msg to peer */
        res = NBC_Sched_send(buffer, false, count, datatype, peer, schedule);
        if (NBC_OK != res) { printf("Error in NBC_Sched_send() (%i)\n", res); return res; }
      }
    } else {
      /* recv msg from root */
      res = NBC_Sched_recv(buffer, false, count, datatype, root, schedule);
      if (NBC_OK != res) { printf("Error in NBC_Sched_recv() (%i)\n", res); return res; }
    }
  }
  
  res = NBC_Sched_commit(schedule);
  if (NBC_OK != res) { printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }
  
  res = NBC_Start(handle, schedule);
  if (NBC_OK != res) { printf("Error in NBC_Start() (%i)\n", res); return res; }
  
  return NBC_OK;
}
开发者ID:Dissolubilis,项目名称:ompi-svn-mirror,代码行数:54,代码来源:nbc_ibcast_inter.c


示例8: nbc_alltoallw_inter_init

/* simple linear Alltoallw */
static int nbc_alltoallw_inter_init (const void* sendbuf, const int *sendcounts, const int *sdispls,
                                     struct ompi_datatype_t * const *sendtypes, void* recvbuf, const int *recvcounts, const int *rdispls,
                                     struct ompi_datatype_t * const *recvtypes, struct ompi_communicator_t *comm, ompi_request_t ** request,
                                     struct mca_coll_base_module_2_3_0_t *module, bool persistent)
{
  int res, rsize;
  NBC_Schedule *schedule;
  char *rbuf, *sbuf;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  rsize = ompi_comm_remote_size (comm);

  schedule = OBJ_NEW(NBC_Schedule);
  if (OPAL_UNLIKELY(NULL == schedule)) {
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  for (int i = 0 ; i < rsize ; ++i) {
    /* post all sends */
    if (sendcounts[i] != 0) {
      sbuf = (char *) sendbuf + sdispls[i];
      res = NBC_Sched_send (sbuf, false, sendcounts[i], sendtypes[i], i, schedule, false);
      if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
        OBJ_RELEASE(schedule);
        return res;
      }
    }
    /* post all receives */
    if (recvcounts[i] != 0) {
      rbuf = (char *) recvbuf + rdispls[i];
      res = NBC_Sched_recv (rbuf, false, recvcounts[i], recvtypes[i], i, schedule, false);
      if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
        OBJ_RELEASE(schedule);
        return res;
      }
    }
  }

  res = NBC_Sched_commit (schedule);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    OBJ_RELEASE(schedule);
    return res;
  }

  res = NBC_Schedule_request(schedule, comm, libnbc_module, persistent, request, NULL);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    OBJ_RELEASE(schedule);
    return res;
  }

  return OMPI_SUCCESS;
}
开发者ID:wuqunyong,项目名称:ompi,代码行数:53,代码来源:nbc_ialltoallw.c


示例9: ompi_coll_libnbc_ibcast_inter

int ompi_coll_libnbc_ibcast_inter(void *buffer, int count, MPI_Datatype datatype, int root,
                                  struct ompi_communicator_t *comm, ompi_request_t ** request,
                                  struct mca_coll_base_module_2_2_0_t *module) {
  int res;
  NBC_Schedule *schedule;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  schedule = OBJ_NEW(NBC_Schedule);
  if (OPAL_UNLIKELY(NULL == schedule)) {
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  if (root != MPI_PROC_NULL) {
    /* send to all others */
    if (root == MPI_ROOT) {
      int remsize;

      remsize = ompi_comm_remote_size (comm);

      for (int peer = 0 ; peer < remsize ; ++peer) {
        /* send msg to peer */
        res = NBC_Sched_send (buffer, false, count, datatype, peer, schedule, false);
        if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
          OBJ_RELEASE(schedule);
          return res;
        }
      }
    } else {
      /* recv msg from root */
      res = NBC_Sched_recv (buffer, false, count, datatype, root, schedule, false);
      if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
        OBJ_RELEASE(schedule);
        return res;
      }
    }
  }

  res = NBC_Sched_commit (schedule);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    OBJ_RELEASE(schedule);
    return res;
  }

  res = NBC_Schedule_request(schedule, comm, libnbc_module, request, NULL);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    OBJ_RELEASE(schedule);
    return res;
  }

  return OMPI_SUCCESS;
}
开发者ID:anandhis,项目名称:ompi,代码行数:51,代码来源:nbc_ibcast.c


示例10: ompi_coll_libnbc_iallreduce_inter

int ompi_coll_libnbc_iallreduce_inter(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
                                      struct ompi_communicator_t *comm, ompi_request_t ** request,
                                      struct mca_coll_base_module_2_0_0_t *module)
{
  int rank, res, size, rsize;
  MPI_Aint ext;
  NBC_Schedule *schedule;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);
  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Comm_remote_size(comm, &rsize);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_remote_size() (%i)\n", res); return res; }
  res = MPI_Type_extent(datatype, &ext);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
  res = MPI_Type_size(datatype, &size);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_size() (%i)\n", res); return res; }

  handle->tmpbuf = malloc(ext*count);
  if(handle->tmpbuf == NULL) { printf("Error in malloc() (%i)\n", res); return NBC_OOR; }

  schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
  if (NULL == schedule) { printf("Error in malloc()\n"); return res; }

  res = NBC_Sched_create(schedule);
  if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }

  res = allred_sched_linear(rank, rsize, sendbuf, recvbuf, count, datatype, op, ext, size, schedule, handle);
  if (NBC_OK != res) { printf("Error in Schedule creation() (%i)\n", res); return res; }

  res = NBC_Sched_commit(schedule);
  if(res != NBC_OK) { free(handle->tmpbuf); printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }

  res = NBC_Start(handle, schedule);
  if(res != NBC_OK) { free(handle->tmpbuf); printf("Error in NBC_Start() (%i)\n", res); return res; }

  /* tmpbuf is freed with the handle */
  return NBC_OK;
}
开发者ID:Dissolubilis,项目名称:ompi-svn-mirror,代码行数:44,代码来源:nbc_iallreduce.c


示例11: ompi_coll_libnbc_iexscan


//.........这里部分代码省略.........
                NBC_Return_handle (handle);
                return res;
            }

            if (rank < p - 1) {
                /* we have to wait until we have the data */
                res = NBC_Sched_barrier(schedule);
                if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
                    NBC_Return_handle (handle);
                    return res;
                }

                /* perform the reduce in my temporary buffer */
                /* this cannot be done until handle->tmpbuf is unused :-( so barrier after */
                if (inplace) {
                    res = NBC_Sched_op (0, true, sendbuf, false, (void *)(ext * count), true, count,
                                        datatype, op, schedule, true);
                } else {
                    res = NBC_Sched_op (0, true, sendbuf, false, recvbuf, false, count, datatype, op,
                                        schedule, true);
                }

                if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
                    NBC_Return_handle (handle);
                    return res;
                }

                /* send reduced data onward */
                res = NBC_Sched_send (0, true, count, datatype, rank + 1, schedule, false);
                if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
                    NBC_Return_handle (handle);
                    return res;
                }

                if (inplace) {
                    /* copy the received data into the receive buffer */
                    res = NBC_Sched_copy ((void *)(ext * count), true, count, datatype, recvbuf,
                                          false, count, datatype, schedule, false);
                    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
                        NBC_Return_handle (handle);
                        return res;
                    }
                }
            }
        } else if (p > 1) {
            res = NBC_Sched_send (sendbuf, false, count, datatype, 1, schedule, false);
            if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
                NBC_Return_handle (handle);
                return res;
            }
        }

        res = NBC_Sched_commit(schedule);
        if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
            NBC_Return_handle (handle);
            return res;
        }

#ifdef NBC_CACHE_SCHEDULE
        /* save schedule to tree */
        args = (NBC_Scan_args *) malloc (sizeof (args));
        if (NULL != args) {
            args->sendbuf = sendbuf;
            args->recvbuf = recvbuf;
            args->count = count;
            args->datatype = datatype;
            args->op = op;
            args->schedule = schedule;
            res = hb_tree_insert ((hb_tree *) libnbc_module->NBC_Dict[NBC_EXSCAN], args, args, 0);
            if (0 == res) {
                OBJ_RETAIN(schedule);

                /* increase number of elements for A2A */
                if (++libnbc_module->NBC_Dict_size[NBC_EXSCAN] > NBC_SCHED_DICT_UPPER) {
                    NBC_SchedCache_dictwipe ((hb_tree *) libnbc_module->NBC_Dict[NBC_EXSCAN],
                                             &libnbc_module->NBC_Dict_size[NBC_EXSCAN]);
                }
            } else {
                NBC_Error("error in dict_insert() (%i)", res);
                free (args);
            }
        }
    } else {
        /* found schedule */
        schedule = found->schedule;
        OBJ_RETAIN(schedule);
    }
#endif

    res = NBC_Start (handle, schedule);
    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
        NBC_Return_handle (handle);
        return res;
    }

    *request = (ompi_request_t *) handle;

    /* tmpbuf is freed with the handle */
    return OMPI_SUCCESS;
}
开发者ID:00datman,项目名称:ompi,代码行数:101,代码来源:nbc_iexscan.c


示例12: ompi_coll_libnbc_ireduce

/* the non-blocking reduce */
int ompi_coll_libnbc_ireduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, 
                             MPI_Op op, int root, struct ompi_communicator_t *comm, ompi_request_t ** request,
                             struct mca_coll_base_module_2_0_0_t *module) {
  int rank, p, res, segsize, size;
  MPI_Aint ext;
  NBC_Schedule *schedule;
  char *redbuf=NULL, inplace;
#ifdef NBC_CACHE_SCHEDULE
  NBC_Reduce_args *args, *found, search;
#endif
  enum { NBC_RED_BINOMIAL, NBC_RED_CHAIN } alg;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;
  
  NBC_IN_PLACE(sendbuf, recvbuf, inplace);
  
  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);
  res = MPI_Comm_rank(comm, &rank);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_rank() (%i)\n", res); return res; }
  res = MPI_Comm_size(comm, &p);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Comm_size() (%i)\n", res); return res; }
  res = MPI_Type_extent(datatype, &ext);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
  res = MPI_Type_size(datatype, &size);
  if (MPI_SUCCESS != res) { printf("MPI Error in MPI_Type_size() (%i)\n", res); return res; }
  
  /* only one node -> copy data */
  if((p == 1) && !inplace) {
    res = NBC_Copy(sendbuf, count, datatype, recvbuf, count, datatype, comm);
    if (NBC_OK != res) { printf("Error in NBC_Copy() (%i)\n", res); return res; }
  }
  
  /* algorithm selection */
  if(p > 4 || size*count < 65536) {
    alg = NBC_RED_BINOMIAL;
    if(rank == root) {
      /* root reduces in receivebuffer */
      handle->tmpbuf = malloc(ext*count);
    } else {
      /* recvbuf may not be valid on non-root nodes */
      handle->tmpbuf = malloc(ext*count*2);
      redbuf = ((char*)handle->tmpbuf)+(ext*count);
    }
  } else {
    handle->tmpbuf = malloc(ext*count);
    alg = NBC_RED_CHAIN;
    segsize = 16384/2;
  }
  if (NULL == handle->tmpbuf) { printf("Error in malloc() (%i)\n", res); return res; }

#ifdef NBC_CACHE_SCHEDULE
  /* search schedule in communicator specific tree */
  search.sendbuf=sendbuf;
  search.recvbuf=recvbuf;
  search.count=count;
  search.datatype=datatype;
  search.op=op;
  search.root=root;
  found = (NBC_Reduce_args*)hb_tree_search((hb_tree*)handle->comminfo->NBC_Dict[NBC_REDUCE], &search);
  if(found == NULL) {
#endif
    schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
    if (NULL == schedule) { printf("Error in malloc() (%i)\n", res); return res; }

    res = NBC_Sched_create(schedule);
    if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }

    switch(alg) {
      case NBC_RED_BINOMIAL:
        res = red_sched_binomial(rank, p, root, sendbuf, recvbuf, count, datatype, op, redbuf, schedule, handle);
        break;
      case NBC_RED_CHAIN:
        res = red_sched_chain(rank, p, root, sendbuf, recvbuf, count, datatype, op, ext, size, schedule, handle, segsize);
        break;
    }
    if (NBC_OK != res) { printf("Error in Schedule creation() (%i)\n", res); return res; }
    
    res = NBC_Sched_commit(schedule);
    if (NBC_OK != res) { free(handle->tmpbuf); printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }
#ifdef NBC_CACHE_SCHEDULE
    /* save schedule to tree */
    args = (NBC_Reduce_args*)malloc(sizeof(NBC_Alltoall_args));
    args->sendbuf=sendbuf;
    args->recvbuf=recvbuf;
    args->count=count;
    args->datatype=datatype;
    args->op=op;
    args->root=root;
    args->schedule=schedule;
	  res = hb_tree_insert ((hb_tree*)handle->comminfo->NBC_Dict[NBC_REDUCE], args, args, 0);
    if(res != 0) printf("error in dict_insert() (%i)\n", res);
    /* increase number of elements for Reduce */
    if(++handle->comminfo->NBC_Dict_size[NBC_REDUCE] > NBC_SCHED_DICT_UPPER) {
      NBC_SchedCache_dictwipe((hb_tree*)handle->comminfo->NBC_Dict[NBC_REDUCE], &handle->comminfo->NBC_Dict_size[NBC_REDUCE]);
    }
  } else {
//.........这里部分代码省略.........
开发者ID:hknkkn,项目名称:ompi-svn-mirror,代码行数:101,代码来源:nbc_ireduce.c


示例13: ompi_coll_libnbc_ibcast

int ompi_coll_libnbc_ibcast(void *buffer, int count, MPI_Datatype datatype, int root,
                            struct ompi_communicator_t *comm, ompi_request_t ** request,
                            struct mca_coll_base_module_2_2_0_t *module)
{
  int rank, p, res, segsize;
  size_t size;
  NBC_Schedule *schedule;
#ifdef NBC_CACHE_SCHEDULE
  NBC_Bcast_args *args, *found, search;
#endif
  enum { NBC_BCAST_LINEAR, NBC_BCAST_BINOMIAL, NBC_BCAST_CHAIN } alg;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  rank = ompi_comm_rank (comm);
  p = ompi_comm_size (comm);

  if (1 == p) {
    *request = &ompi_request_empty;
    return OMPI_SUCCESS;
  }

  res = ompi_datatype_type_size(datatype, &size);
  if (MPI_SUCCESS != res) {
    NBC_Error("MPI Error in ompi_datatype_type_size() (%i)", res);
    return res;
  }

  segsize = 16384;
  /* algorithm selection */
  if( libnbc_ibcast_skip_dt_decision ) {
    if (p <= 4) {
      alg = NBC_BCAST_LINEAR;
    }
    else {
      alg = NBC_BCAST_BINOMIAL;
    }
  }
  else {
    if (p <= 4) {
      alg = NBC_BCAST_LINEAR;
    } else if (size * count < 65536) {
      alg = NBC_BCAST_BINOMIAL;
    } else if (size * count < 524288) {
      alg = NBC_BCAST_CHAIN;
      segsize = 8192;
    } else {
      alg = NBC_BCAST_CHAIN;
      segsize = 32768;
    }
  }

#ifdef NBC_CACHE_SCHEDULE
  /* search schedule in communicator specific tree */
  search.buffer = buffer;
  search.count = count;
  search.datatype = datatype;
  search.root = root;
  found = (NBC_Bcast_args *) hb_tree_search ((hb_tree *) libnbc_module->NBC_Dict[NBC_BCAST], &search);
  if (NULL == found) {
#endif
    schedule = OBJ_NEW(NBC_Schedule);
    if (OPAL_UNLIKELY(NULL == schedule)) {
      return OMPI_ERR_OUT_OF_RESOURCE;
    }

    switch(alg) {
      case NBC_BCAST_LINEAR:
        res = bcast_sched_linear(rank, p, root, schedule, buffer, count, datatype);
        break;
      case NBC_BCAST_BINOMIAL:
        res = bcast_sched_binomial(rank, p, root, schedule, buffer, count, datatype);
        break;
      case NBC_BCAST_CHAIN:
        res = bcast_sched_chain(rank, p, root, schedule, buffer, count, datatype, segsize, size);
        break;
    }

    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      OBJ_RELEASE(schedule);
      return res;
    }

    res = NBC_Sched_commit (schedule);
    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      OBJ_RELEASE(schedule);
      return res;
    }

#ifdef NBC_CACHE_SCHEDULE
    /* save schedule to tree */
    args = (NBC_Bcast_args *) malloc (sizeof (args));
    if (NULL != args) {
      args->buffer = buffer;
      args->count = count;
      args->datatype = datatype;
      args->root = root;
      args->schedule = schedule;
      res = hb_tree_insert ((hb_tree *) libnbc_module->NBC_Dict[NBC_BCAST], args, args, 0);
      if (0 == res) {
        OBJ_RETAIN (schedule);
//.........这里部分代码省略.........
开发者ID:anandhis,项目名称:ompi,代码行数:101,代码来源:nbc_ibcast.c


示例14: ompi_coll_libnbc_iallreduce

int ompi_coll_libnbc_iallreduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
                                struct ompi_communicator_t *comm, ompi_request_t ** request,
                                struct mca_coll_base_module_2_1_0_t *module)
{
  int rank, p, res;
  OPAL_PTRDIFF_TYPE ext, lb;
  NBC_Schedule *schedule;
  size_t size;
#ifdef NBC_CACHE_SCHEDULE
  NBC_Allreduce_args *args, *found, search;
#endif
  enum { NBC_ARED_BINOMIAL, NBC_ARED_RING } alg;
  char inplace;
  NBC_Handle *handle;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  NBC_IN_PLACE(sendbuf, recvbuf, inplace);

  rank = ompi_comm_rank (comm);
  p = ompi_comm_size (comm);

  res = ompi_datatype_get_extent(datatype, &lb, &ext);
  if (OMPI_SUCCESS != res) {
    NBC_Error ("MPI Error in MPI_Type_extent() (%i)", res);
    return res;
  }

  res = ompi_datatype_type_size (datatype, &size);
  if (OMPI_SUCCESS != res) {
    NBC_Error ("MPI Error in MPI_Type_size() (%i)", res);
    return res;
  }

  res = NBC_Init_handle (comm, &handle, libnbc_module);
  if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
    return res;
  }

  handle->tmpbuf = malloc (ext * count);
  if (OPAL_UNLIKELY(NULL == handle->tmpbuf)) {
    NBC_Return_handle (handle);
    return OMPI_ERR_OUT_OF_RESOURCE;
  }

  if ((p == 1) && !inplace) {
    /* for a single node - copy data to receivebuf */
    res = NBC_Copy(sendbuf, count, datatype, recvbuf, count, datatype, comm);
    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      NBC_Return_handle (handle);
      return res;
    }
  }

  /* algorithm selection */
  if(p < 4 || size*count < 65536 || inplace) {
    alg = NBC_ARED_BINOMIAL;
  } else {
    alg = NBC_ARED_RING;
  }

#ifdef NBC_CACHE_SCHEDULE
  /* search schedule in communicator specific tree */
  search.sendbuf = sendbuf;
  search.recvbuf = recvbuf;
  search.count = count;
  search.datatype = datatype;
  search.op = op;
  found = (NBC_Allreduce_args *) hb_tree_search ((hb_tree *) libnbc_module->NBC_Dict[NBC_ALLREDUCE], &search);
  if (NULL == found) {
#endif
    schedule = OBJ_NEW(NBC_Schedule);
    if (NULL == schedule) {
      NBC_Return_handle (handle);
      return OMPI_ERR_OUT_OF_RESOURCE;
    }

    /* ensure the schedule is released with the handle on error */
    handle->schedule = schedule;

    switch(alg) {
      case NBC_ARED_BINOMIAL:
        res = allred_sched_diss(rank, p, count, datatype, sendbuf, recvbuf, op, schedule, handle);
        break;
      case NBC_ARED_RING:
        res = allred_sched_ring(rank, p, count, datatype, sendbuf, recvbuf, op, size, ext, schedule, handle);
        break;
    }

    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      NBC_Return_handle (handle);
      return res;
    }

    res = NBC_Sched_commit(schedule);
    if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
      NBC_Return_handle (handle);
      return res;
    }

#ifdef NBC_CACHE_SCHEDULE
//.........这里部分代码省略.........
开发者ID:nasailja,项目名称:ompi,代码行数:101,代码来源:nbc_iallreduce.c


示例15: ompi_coll_libnbc_iallreduce

int ompi_coll_libnbc_iallreduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op,
                                struct ompi_communicator_t *comm, ompi_request_t ** request,
                                struct mca_coll_base_module_2_0_0_t *module)
{
  int rank, p, res;
  OPAL_PTRDIFF_TYPE ext, lb;
  NBC_Schedule *schedule;
  size_t size;
#ifdef NBC_CACHE_SCHEDULE
  NBC_Allreduce_args *args, *found, search;
#endif
  enum { NBC_ARED_BINOMIAL, NBC_ARED_RING } alg;
  char inplace;
  NBC_Handle *handle;
  ompi_coll_libnbc_request_t **coll_req = (ompi_coll_libnbc_request_t**) request;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  NBC_IN_PLACE(sendbuf, recvbuf, inplace);

  res = NBC_Init_handle(comm, coll_req, libnbc_module);
  if(res != NBC_OK) { printf("Error in NBC_Init_handle(%i)\n", res); return res; }
  handle = (*coll_req);

  rank = ompi_comm_rank (comm);
  p = ompi_comm_size (comm);
  res = ompi_datatype_get_extent(datatype, &lb, &ext);
  if (OMPI_SUCCESS != res) { printf("MPI Error in MPI_Type_extent() (%i)\n", res); return res; }
  res = ompi_datatype_type_size (datatype, &size);
  if (OMPI_SUCCESS != res) { printf("MPI Error in MPI_Type_size() (%i)\n", res); return res; }

  handle->tmpbuf = malloc(ext*count);
  if(handle->tmpbuf == NULL) { printf("Error in malloc() (%i)\n", res); return NBC_OOR; }

  if((p == 1) && !inplace) {
    /* for a single node - copy data to receivebuf */
    res = NBC_Copy(sendbuf, count, datatype, recvbuf, count, datatype, comm);
    if (NBC_OK != res) { printf("Error in NBC_Copy() (%i)\n", res); return res; }
  }

  /* algorithm selection */
  if(p < 4 || size*count < 65536 || inplace) {
    alg = NBC_ARED_BINOMIAL;
  } else {
    alg = NBC_ARED_RING;
  }

#ifdef NBC_CACHE_SCHEDULE
  /* search schedule in communicator specific tree */
  search.sendbuf=sendbuf;
  search.recvbuf=recvbuf;
  search.count=count;
  search.datatype=datatype;
  search.op=op;
  found = (NBC_Allreduce_args*)hb_tree_search((hb_tree*)handle->comminfo->NBC_Dict[NBC_ALLREDUCE], &search);
  if(found == NULL) {
#endif
    schedule = (NBC_Schedule*)malloc(sizeof(NBC_Schedule));
    if (NULL == schedule) { printf("Error in malloc()\n"); return res; }

    res = NBC_Sched_create(schedule);
    if(res != NBC_OK) { printf("Error in NBC_Sched_create (%i)\n", res); return res; }

    switch(alg) {
      case NBC_ARED_BINOMIAL:
        res = allred_sched_diss(rank, p, count, datatype, sendbuf, recvbuf, op, schedule, handle);
        break;
      case NBC_ARED_RING:
        res = allred_sched_ring(rank, p, count, datatype, sendbuf, recvbuf, op, size, ext, schedule, handle);
        break;
    }
    if (NBC_OK != res) { printf("Error in Schedule creation() (%i)\n", res); return res; }

    res = NBC_Sched_commit(schedule);
    if(res != NBC_OK) { free(handle->tmpbuf); printf("Error in NBC_Sched_commit() (%i)\n", res); return res; }

#ifdef NBC_CACHE_SCHEDULE
    /* save schedule to tree */
    args = (NBC_Allreduce_args*)malloc(sizeof(NBC_Allreduce_args));
    args->sendbuf=sendbuf;
    args->recvbuf=recvbuf;
    args->count=count;
    args->datatype=datatype;
    args->op=op;
    args->schedule=schedule;
    res = hb_tree_insert ((hb_tree*)handle->comminfo->NBC_Dict[NBC_ALLREDUCE], args, args, 0);
    if(res != 0) printf("error in dict_insert() (%i)\n", res);
    /* increase number of elements for A2A */
    if(++handle->comminfo->NBC_Dict_size[NBC_ALLREDUCE] > NBC_SCHED_DICT_UPPER) {
      NBC_SchedCache_dictwipe((hb_tree*)handle->comminfo->NBC_Dict[NBC_ALLREDUCE], &handle->comminfo->NBC_Dict_size[NBC_ALLREDUCE]);
    }
  } else {
    /* found schedule */
    schedule=found->schedule;
  }
#endif

  res = NBC_Start(handle, schedule);
  if(res != NBC_OK) { free(handle->tmpbuf); printf("Error in NBC_Start() (%i)\n", res); return res; }

  /* tmpbuf is freed with the handle */
//.........这里部分代码省略.........
开发者ID:Dissolubilis,项目名称:ompi-svn-mirror,代码行数:101,代码来源:nbc_iallreduce.c


示例16: nbc_barrier_init

/* Dissemination implementation of MPI_Ibarrier */
static int nbc_barrier_init(struct ompi_communicator_t *comm, ompi_request_t ** request,
                            struct mca_coll_base_module_2_3_0_t *module, bool persistent)
{
  int rank, p, maxround, res, recvpeer, sendpeer;
  NBC_Schedule *schedule;
  ompi_coll_libnbc_module_t *libnbc_module = (ompi_coll_libnbc_module_t*) module;

  rank = ompi_comm_rank (comm);
  p = ompi_comm_size (comm);

#ifdef NBC_CACHE_SCHEDULE
  /* there only one argument set per communicator -> hang it directly at
   * the tree-position, NBC_Dict_size[...] is 0 for not initialized and
   * 1 for initialized. NBC_Dict[...] is a pointer to the schedule in
   * this case */
  if (libnbc_module->NBC_Dict_size[NBC_BARRIER] == 0) {
    /* we did not init it yet */
#endif
    schedule = OBJ_NEW(NBC_Schedule);
    if (OPAL_UNLIKELY(NULL == schedule)) {
      return OMPI_ERR_OUT_OF_RESOURCE;
    }

    maxround = (int)ceil((log((double)p)/LOG2)-1);

    for (int round = 0 ; round <= maxround ; ++round) {
      sendpeer = (rank + (1 << round)) % p;
      /* add p because modulo does not work with negative values */
      recvpeer = ((rank - (1 << round)) + p) % p;

      /* send msg to sendpeer */
      res = NBC_Sched_send (NULL, false, 0, MPI_BYTE, sendpeer, schedule, false);
      if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
        OBJ_RELEASE(schedule);
        return res;
      }

      /* recv msg from recvpeer */
      res = NBC_Sched_recv (NULL, false, 0, MPI_BYTE, recvpeer, schedule, false);
      if (OPAL_UNLIKELY(OMPI_SUCCESS != res)) {
        OBJ_RELEASE(schedule);
        return res;
       

鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
C++ NBC_Sched_recv函数代码示例发布时间:2022-05-30
下一篇:
C++ NATIVE_PROFILE_PAL_NETWORK函数代码示例发布时间:2022-05-30
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap