Exemplo n.º 1
0
int MPIDI_CH3U_Win_create_gather( void *base, MPI_Aint size, int disp_unit,
                                  MPID_Info *info, MPID_Comm *comm_ptr, MPID_Win **win_ptr )
{
    int mpi_errno=MPI_SUCCESS, i, k, comm_size, rank;
    MPI_Aint *tmp_buf;
    int errflag = FALSE;
    MPIU_CHKPMEM_DECL(5);
    MPIU_CHKLMEM_DECL(1);
    MPIDI_STATE_DECL(MPID_STATE_MPIDI_CH3U_WIN_CREATE_GATHER);

    MPIDI_RMA_FUNC_ENTER(MPID_STATE_MPIDI_CH3U_WIN_CREATE_GATHER);

    comm_size = (*win_ptr)->comm_ptr->local_size;
    rank      = (*win_ptr)->comm_ptr->rank;

    /* RMA handlers should be set before calling this function */
    mpi_errno = (*win_ptr)->RMAFns.Win_set_info(*win_ptr, info);

    MPIU_INSTR_DURATION_START(wincreate_allgather);
    /* allocate memory for the base addresses, disp_units, and
       completion counters of all processes */
    MPIU_CHKPMEM_MALLOC((*win_ptr)->base_addrs, void **,
                        comm_size*sizeof(void *),
                        mpi_errno, "(*win_ptr)->base_addrs");

    MPIU_CHKPMEM_MALLOC((*win_ptr)->sizes, MPI_Aint *, comm_size*sizeof(MPI_Aint),
                        mpi_errno, "(*win_ptr)->sizes");

    MPIU_CHKPMEM_MALLOC((*win_ptr)->disp_units, int *, comm_size*sizeof(int),
                        mpi_errno, "(*win_ptr)->disp_units");

    MPIU_CHKPMEM_MALLOC((*win_ptr)->all_win_handles, MPI_Win *,
                        comm_size*sizeof(MPI_Win),
                        mpi_errno, "(*win_ptr)->all_win_handles");

    MPIU_CHKPMEM_MALLOC((*win_ptr)->pt_rma_puts_accs, int *,
                        comm_size*sizeof(int),
                        mpi_errno, "(*win_ptr)->pt_rma_puts_accs");
    for (i=0; i<comm_size; i++) (*win_ptr)->pt_rma_puts_accs[i] = 0;

    /* get the addresses of the windows, window objects, and completion
       counters of all processes.  allocate temp. buffer for communication */
    MPIU_CHKLMEM_MALLOC(tmp_buf, MPI_Aint *, 4*comm_size*sizeof(MPI_Aint),
                        mpi_errno, "tmp_buf");

    /* FIXME: This needs to be fixed for heterogeneous systems */
    /* FIXME: If we wanted to validate the transfer as within range at the
       origin, we'd also need the window size. */
    tmp_buf[4*rank]   = MPIU_PtrToAint(base);
    tmp_buf[4*rank+1] = size;
    tmp_buf[4*rank+2] = (MPI_Aint) disp_unit;
    tmp_buf[4*rank+3] = (MPI_Aint) (*win_ptr)->handle;

    mpi_errno = MPIR_Allgather_impl(MPI_IN_PLACE, 0, MPI_DATATYPE_NULL,
                                    tmp_buf, 4, MPI_AINT,
                                    (*win_ptr)->comm_ptr, &errflag);
    MPIU_INSTR_DURATION_END(wincreate_allgather);
    if (mpi_errno) { MPIU_ERR_POP(mpi_errno); }
    MPIU_ERR_CHKANDJUMP(errflag, mpi_errno, MPI_ERR_OTHER, "**coll_fail");

    k = 0;
    for (i=0; i<comm_size; i++)
    {
        (*win_ptr)->base_addrs[i] = MPIU_AintToPtr(tmp_buf[k++]);
        (*win_ptr)->sizes[i] = tmp_buf[k++];
        (*win_ptr)->disp_units[i] = (int) tmp_buf[k++];
        (*win_ptr)->all_win_handles[i] = (MPI_Win) tmp_buf[k++];
    }

fn_exit:
    MPIU_CHKLMEM_FREEALL();
    MPIDI_RMA_FUNC_EXIT(MPID_STATE_MPIDI_CH3U_WIN_CREATE_GATHER);
    return mpi_errno;
    /* --BEGIN ERROR HANDLING-- */
fn_fail:
    MPIU_CHKPMEM_REAP();
    goto fn_exit;
    /* --END ERROR HANDLING-- */
}
Exemplo n.º 2
0
int MPIDI_Win_create(void *base, MPI_Aint size, int disp_unit, MPID_Info *info,
		     MPID_Comm *comm_ptr, MPID_Win **win_ptr )
{
    int mpi_errno=MPI_SUCCESS, i, k, comm_size, rank;
    MPI_Aint *tmp_buf;
    MPID_Comm *win_comm_ptr;
    int errflag = FALSE;
    MPIU_CHKPMEM_DECL(4);
    MPIU_CHKLMEM_DECL(1);
    MPIDI_STATE_DECL(MPID_STATE_MPIDI_WIN_CREATE);
    
    MPIDI_RMA_FUNC_ENTER(MPID_STATE_MPIDI_WIN_CREATE);

    /* FIXME: There should be no unreferenced args */
    MPIU_UNREFERENCED_ARG(info);

    if(initRMAoptions) {
	int rc;
	MPIU_THREADSAFE_INIT_BLOCK_BEGIN(initRMAoptions);
	/* Default is to enable the use of the immediate accumulate feature */
	if (!MPL_env2bool( "MPICH_RMA_ACC_IMMED", &rc ))
	    rc = 1;
	MPIDI_CH3_RMA_SetAccImmed(rc);
#ifdef USE_MPIU_INSTR
    /* Define all instrumentation handle used in the CH3 RMA here*/
	MPIU_INSTR_DURATION_INIT(wincreate_allgather,0,"WIN_CREATE:Allgather");
	MPIU_INSTR_DURATION_INIT(winfree_rs,0,"WIN_FREE:ReduceScatterBlock");
	MPIU_INSTR_DURATION_INIT(winfree_complete,0,"WIN_FREE:Complete");
	MPIU_INSTR_DURATION_INIT(rmaqueue_alloc,0,"Allocate RMA Queue element");
	MPIDI_CH3_RMA_InitInstr();

#endif    
	MPIU_THREADSAFE_INIT_CLEAR(initRMAoptions);
	MPIU_THREADSAFE_INIT_BLOCK_END(initRMAoptions);
    }

    comm_size = comm_ptr->local_size;
    rank = comm_ptr->rank;
    
    *win_ptr = (MPID_Win *)MPIU_Handle_obj_alloc( &MPID_Win_mem );
    MPIU_ERR_CHKANDJUMP1(!(*win_ptr),mpi_errno,MPI_ERR_OTHER,"**nomem",
			 "**nomem %s","MPID_Win_mem");

    MPIU_Object_set_ref(*win_ptr, 1);

    (*win_ptr)->fence_cnt = 0;
    (*win_ptr)->base = base;
    (*win_ptr)->size = size;
    (*win_ptr)->disp_unit = disp_unit;
    (*win_ptr)->start_group_ptr = NULL; 
    (*win_ptr)->start_assert = 0; 
    (*win_ptr)->attributes = NULL;
    (*win_ptr)->rma_ops_list_head = NULL;
    (*win_ptr)->rma_ops_list_tail = NULL;
    (*win_ptr)->lock_granted = 0;
    (*win_ptr)->current_lock_type = MPID_LOCK_NONE;
    (*win_ptr)->shared_lock_ref_cnt = 0;
    (*win_ptr)->lock_queue = NULL;
    (*win_ptr)->my_counter = 0;
    (*win_ptr)->my_pt_rma_puts_accs = 0;
    
    mpi_errno = MPIR_Comm_dup_impl(comm_ptr, &win_comm_ptr);
    if (mpi_errno) MPIU_ERR_POP(mpi_errno);
    (*win_ptr)->comm_ptr   = win_comm_ptr;
    (*win_ptr)->myrank = rank;

    MPIU_INSTR_DURATION_START(wincreate_allgather);
    /* allocate memory for the base addresses, disp_units, and
       completion counters of all processes */ 
    MPIU_CHKPMEM_MALLOC((*win_ptr)->base_addrs, void **,
			comm_size*sizeof(void *), 
			mpi_errno, "(*win_ptr)->base_addrs");

    MPIU_CHKPMEM_MALLOC((*win_ptr)->disp_units, int *, comm_size*sizeof(int), 
			mpi_errno, "(*win_ptr)->disp_units");

    MPIU_CHKPMEM_MALLOC((*win_ptr)->all_win_handles, MPI_Win *, 
			comm_size*sizeof(MPI_Win), 
			mpi_errno, "(*win_ptr)->all_win_handles");
    
    MPIU_CHKPMEM_MALLOC((*win_ptr)->pt_rma_puts_accs, int *, 
			comm_size*sizeof(int), 
			mpi_errno, "(*win_ptr)->pt_rma_puts_accs");
    for (i=0; i<comm_size; i++)	(*win_ptr)->pt_rma_puts_accs[i] = 0;
    
    /* get the addresses of the windows, window objects, and completion
       counters of all processes.  allocate temp. buffer for communication */
    MPIU_CHKLMEM_MALLOC(tmp_buf, MPI_Aint *, 3*comm_size*sizeof(MPI_Aint),
			mpi_errno, "tmp_buf");
    
    /* FIXME: This needs to be fixed for heterogeneous systems */
    tmp_buf[3*rank]   = MPIU_PtrToAint(base);
    tmp_buf[3*rank+1] = (MPI_Aint) disp_unit;
    tmp_buf[3*rank+2] = (MPI_Aint) (*win_ptr)->handle;
    
    mpi_errno = MPIR_Allgather_impl(MPI_IN_PLACE, 0, MPI_DATATYPE_NULL,
                                    tmp_buf, 3 * sizeof(MPI_Aint), MPI_BYTE,
                                    comm_ptr, &errflag);
    MPIU_INSTR_DURATION_END(wincreate_allgather);
    if (mpi_errno) { MPIU_ERR_POP(mpi_errno); }
    MPIU_ERR_CHKANDJUMP(errflag, mpi_errno, MPI_ERR_OTHER, "**coll_fail");


    k = 0;
    for (i=0; i<comm_size; i++)
    {
	(*win_ptr)->base_addrs[i] = MPIU_AintToPtr(tmp_buf[k++]);
	(*win_ptr)->disp_units[i] = (int) tmp_buf[k++];
	(*win_ptr)->all_win_handles[i] = (MPI_Win) tmp_buf[k++];
    }
        
 fn_exit:
    MPIU_CHKLMEM_FREEALL();
    MPIDI_RMA_FUNC_EXIT(MPID_STATE_MPIDI_WIN_CREATE);
    return mpi_errno;
    /* --BEGIN ERROR HANDLING-- */
 fn_fail:
    MPIU_CHKPMEM_REAP();
    goto fn_exit;
    /* --END ERROR HANDLING-- */
}
Exemplo n.º 3
0
int MPIDI_CH3U_Win_gather_info(void *base, MPI_Aint size, int disp_unit,
                               MPID_Info * info, MPID_Comm * comm_ptr, MPID_Win ** win_ptr)
{
    int mpi_errno = MPI_SUCCESS, i, k, comm_size, rank;
    MPI_Aint *tmp_buf;
    MPIR_Errflag_t errflag = MPIR_ERR_NONE;
    MPIU_CHKPMEM_DECL(1);
    MPIU_CHKLMEM_DECL(1);
    MPIDI_STATE_DECL(MPID_STATE_MPIDI_CH3U_WIN_GATHER_INFO);

    MPIDI_RMA_FUNC_ENTER(MPID_STATE_MPIDI_CH3U_WIN_GATHER_INFO);

    comm_size = (*win_ptr)->comm_ptr->local_size;
    rank = (*win_ptr)->comm_ptr->rank;

    MPIR_T_PVAR_TIMER_START(RMA, rma_wincreate_allgather);
    /* allocate memory for the base addresses, disp_units, and
     * completion counters of all processes */
    MPIU_CHKPMEM_MALLOC((*win_ptr)->basic_info_table, MPIDI_Win_basic_info_t *,
                        comm_size * sizeof(MPIDI_Win_basic_info_t),
                        mpi_errno, "(*win_ptr)->basic_info_table");

    /* get the addresses of the windows, window objects, and completion
     * counters of all processes.  allocate temp. buffer for communication */
    MPIU_CHKLMEM_MALLOC(tmp_buf, MPI_Aint *, 4 * comm_size * sizeof(MPI_Aint),
                        mpi_errno, "tmp_buf");

    /* FIXME: This needs to be fixed for heterogeneous systems */
    /* FIXME: If we wanted to validate the transfer as within range at the
     * origin, we'd also need the window size. */
    tmp_buf[4 * rank] = MPIU_PtrToAint(base);
    tmp_buf[4 * rank + 1] = size;
    tmp_buf[4 * rank + 2] = (MPI_Aint) disp_unit;
    tmp_buf[4 * rank + 3] = (MPI_Aint) (*win_ptr)->handle;

    mpi_errno = MPIR_Allgather_impl(MPI_IN_PLACE, 0, MPI_DATATYPE_NULL,
                                    tmp_buf, 4, MPI_AINT, (*win_ptr)->comm_ptr, &errflag);
    MPIR_T_PVAR_TIMER_END(RMA, rma_wincreate_allgather);
    if (mpi_errno) {
        MPIR_ERR_POP(mpi_errno);
    }
    MPIR_ERR_CHKANDJUMP(errflag, mpi_errno, MPI_ERR_OTHER, "**coll_fail");

    k = 0;
    for (i = 0; i < comm_size; i++) {
        (*win_ptr)->basic_info_table[i].base_addr = MPIU_AintToPtr(tmp_buf[k++]);
        (*win_ptr)->basic_info_table[i].size = tmp_buf[k++];
        (*win_ptr)->basic_info_table[i].disp_unit = (int) tmp_buf[k++];
        (*win_ptr)->basic_info_table[i].win_handle = (MPI_Win) tmp_buf[k++];
    }

  fn_exit:
    MPIU_CHKLMEM_FREEALL();
    MPIDI_RMA_FUNC_EXIT(MPID_STATE_MPIDI_CH3U_WIN_GATHER_INFO);
    return mpi_errno;
    /* --BEGIN ERROR HANDLING-- */
  fn_fail:
    MPIU_CHKPMEM_REAP();
    goto fn_exit;
    /* --END ERROR HANDLING-- */
}