mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-15 07:40:23 +08:00
25ec07450a
and replace it with new url for COPYING file. Fix 2 lines in java error test expected output file where messages include line numbers changed by reducing the copyright header by 2 lines.
519 lines
14 KiB
C
519 lines
14 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
||
* Copyright by The HDF Group. *
|
||
* Copyright by the Board of Trustees of the University of Illinois. *
|
||
* All rights reserved. *
|
||
* *
|
||
* This file is part of HDF5. The full HDF5 copyright notice, including *
|
||
* terms governing use, modification, and redistribution, is contained in *
|
||
* the COPYING file, which can be found at the root of the source code *
|
||
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
|
||
* If you do not have access to either file, you may request a copy from *
|
||
* help@hdfgroup.org. *
|
||
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
||
|
||
/*
|
||
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
|
||
* Friday, January 30, 2004
|
||
*
|
||
* Purpose: Common routines for all MPI-based VFL drivers.
|
||
*
|
||
*/
|
||
|
||
|
||
#include "H5private.h" /* Generic Functions */
|
||
#include "H5Eprivate.h" /* Error handling */
|
||
#include "H5Fprivate.h" /* File access */
|
||
#include "H5FDprivate.h" /* File drivers */
|
||
#include "H5FDmpi.h" /* Common MPI file driver */
|
||
#include "H5Pprivate.h" /* Property lists */
|
||
|
||
#ifdef H5_HAVE_PARALLEL
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_get_rank
|
||
*
|
||
* Purpose: Retrieves the rank of an MPI process.
|
||
*
|
||
* Return: Success: The rank (non-negative)
|
||
*
|
||
* Failure: Negative
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Friday, January 30, 2004
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
int
|
||
H5FD_mpi_get_rank(const H5FD_t *file)
|
||
{
|
||
const H5FD_class_mpi_t *cls;
|
||
|
||
int ret_value;
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
HDassert(file);
|
||
cls = (const H5FD_class_mpi_t *)(file->cls);
|
||
HDassert(cls);
|
||
HDassert(cls->get_rank); /* All MPI drivers must implement this */
|
||
|
||
/* Dispatch to driver */
|
||
if ((ret_value=(cls->get_rank)(file))<0)
|
||
HGOTO_ERROR(H5E_VFL, H5E_CANTGET, FAIL, "driver get_rank request failed")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_mpi_get_rank() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_get_size
|
||
*
|
||
* Purpose: Retrieves the size of the communicator used for the file
|
||
*
|
||
* Return: Success: The communicator size (non-negative)
|
||
*
|
||
* Failure: Negative
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Friday, January 30, 2004
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
int
|
||
H5FD_mpi_get_size(const H5FD_t *file)
|
||
{
|
||
const H5FD_class_mpi_t *cls;
|
||
int ret_value;
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
HDassert(file);
|
||
cls = (const H5FD_class_mpi_t *)(file->cls);
|
||
HDassert(cls);
|
||
HDassert(cls->get_size); /* All MPI drivers must implement this */
|
||
|
||
/* Dispatch to driver */
|
||
if ((ret_value=(cls->get_size)(file))<0)
|
||
HGOTO_ERROR(H5E_VFL, H5E_CANTGET, FAIL, "driver get_size request failed")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_mpi_get_size() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_get_comm
|
||
*
|
||
* Purpose: Retrieves the file's communicator
|
||
*
|
||
* Return: Success: The communicator (non-negative)
|
||
*
|
||
* Failure: Negative
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Friday, January 30, 2004
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
MPI_Comm
|
||
H5FD_mpi_get_comm(const H5FD_t *file)
|
||
{
|
||
const H5FD_class_mpi_t *cls;
|
||
MPI_Comm ret_value;
|
||
|
||
FUNC_ENTER_NOAPI(MPI_COMM_NULL)
|
||
|
||
HDassert(file);
|
||
cls = (const H5FD_class_mpi_t *)(file->cls);
|
||
HDassert(cls);
|
||
HDassert(cls->get_comm); /* All MPI drivers must implement this */
|
||
|
||
/* Dispatch to driver */
|
||
if ((ret_value=(cls->get_comm)(file))==MPI_COMM_NULL)
|
||
HGOTO_ERROR(H5E_VFL, H5E_CANTGET, MPI_COMM_NULL, "driver get_comm request failed")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_mpi_get_comm() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_get_mpi_info
|
||
*
|
||
* Purpose: Retrieves the file's mpi info
|
||
*
|
||
* Return: Success: SUCCEED
|
||
*
|
||
* Failure: Negative
|
||
*
|
||
* Programmer: John Mainzer
|
||
* 4/4/17
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_get_mpi_info(H5FD_t *file, void** mpi_info)
|
||
{
|
||
const H5FD_class_mpi_t *cls;
|
||
herr_t ret_value = SUCCEED;
|
||
|
||
FUNC_ENTER_NOAPI_NOINIT
|
||
|
||
HDassert(file);
|
||
cls = (const H5FD_class_mpi_t *)(file->cls);
|
||
HDassert(cls);
|
||
HDassert(cls->get_mpi_info); /* All MPI drivers must implement this */
|
||
|
||
/* Dispatch to driver */
|
||
if ((ret_value=(cls->get_mpi_info)(file, mpi_info)) < 0)
|
||
HGOTO_ERROR(H5E_VFL, H5E_CANTGET, MPI_COMM_NULL, \
|
||
"driver get_mpi_info request failed")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_get_mpi_info() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_MPIOff_to_haddr
|
||
*
|
||
* Purpose: Convert an MPI_Offset value to haddr_t.
|
||
*
|
||
* Return: Success: The haddr_t equivalent of the MPI_OFF
|
||
* argument.
|
||
*
|
||
* Failure: HADDR_UNDEF
|
||
*
|
||
* Programmer: Unknown
|
||
* January 30, 1998
|
||
*
|
||
* Modifications:
|
||
* Robb Matzke, 1999-04-23
|
||
* An error is reported for address overflows. The ADDR output
|
||
* argument is optional.
|
||
*
|
||
* Robb Matzke, 1999-08-06
|
||
* Modified to work with the virtual file layer.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
haddr_t
|
||
H5FD_mpi_MPIOff_to_haddr(MPI_Offset mpi_off)
|
||
{
|
||
haddr_t ret_value=HADDR_UNDEF;
|
||
|
||
FUNC_ENTER_NOAPI_NOINIT_NOERR
|
||
|
||
if (mpi_off != (MPI_Offset)(haddr_t)mpi_off)
|
||
ret_value=HADDR_UNDEF;
|
||
else
|
||
ret_value=(haddr_t)mpi_off;
|
||
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_haddr_to_MPIOff
|
||
*
|
||
* Purpose: Convert an haddr_t value to MPI_Offset.
|
||
*
|
||
* Return: Success: Non-negative, the MPI_OFF argument contains
|
||
* the converted value.
|
||
*
|
||
* Failure: Negative, MPI_OFF is undefined.
|
||
*
|
||
* Programmer: Unknown
|
||
* January 30, 1998
|
||
*
|
||
* Modifications:
|
||
* Robb Matzke, 1999-04-23
|
||
* An error is reported for address overflows. The ADDR output
|
||
* argument is optional.
|
||
*
|
||
* Robb Matzke, 1999-07-28
|
||
* The ADDR argument is passed by value.
|
||
*
|
||
* Robb Matzke, 1999-08-06
|
||
* Modified to work with the virtual file layer.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_mpi_haddr_to_MPIOff(haddr_t addr, MPI_Offset *mpi_off/*out*/)
|
||
{
|
||
herr_t ret_value=FAIL;
|
||
|
||
FUNC_ENTER_NOAPI_NOINIT_NOERR
|
||
|
||
HDassert(mpi_off);
|
||
|
||
/* Convert the HDF5 address into an MPI offset */
|
||
*mpi_off = (MPI_Offset)addr;
|
||
|
||
if (addr != (haddr_t)((MPI_Offset)addr))
|
||
ret_value=FAIL;
|
||
else
|
||
ret_value=SUCCEED;
|
||
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_comm_info_dup
|
||
*
|
||
* Purpose: Make duplicates of communicator and Info object.
|
||
* If the Info object is in fact MPI_INFO_NULL, no duplicate
|
||
* is made but the same value assigned to the new Info object
|
||
* handle.
|
||
*
|
||
* Return: Success: Non-negative. The new communicator and Info
|
||
* object handles are returned via comm_new and
|
||
* info_new pointers.
|
||
*
|
||
* Failure: Negative.
|
||
*
|
||
* Programmer: Albert Cheng
|
||
* Jan 8, 2003
|
||
*
|
||
* Modifications:
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_mpi_comm_info_dup(MPI_Comm comm, MPI_Info info, MPI_Comm *comm_new, MPI_Info *info_new)
|
||
{
|
||
herr_t ret_value=SUCCEED;
|
||
MPI_Comm comm_dup=MPI_COMM_NULL;
|
||
MPI_Info info_dup=MPI_INFO_NULL;
|
||
int mpi_code;
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
/* Check arguments */
|
||
if (MPI_COMM_NULL == comm)
|
||
HGOTO_ERROR(H5E_INTERNAL, H5E_BADVALUE, FAIL, "not a valid argument")
|
||
if (!comm_new || !info_new)
|
||
HGOTO_ERROR(H5E_INTERNAL, H5E_BADVALUE, FAIL, "bad pointers")
|
||
|
||
/* Dup them. Using temporary variables for error recovery cleanup. */
|
||
if (MPI_SUCCESS != (mpi_code=MPI_Comm_dup(comm, &comm_dup)))
|
||
HMPI_GOTO_ERROR(FAIL, "MPI_Comm_dup failed", mpi_code)
|
||
if (MPI_INFO_NULL != info){
|
||
if (MPI_SUCCESS != (mpi_code=MPI_Info_dup(info, &info_dup)))
|
||
HMPI_GOTO_ERROR(FAIL, "MPI_Info_dup failed", mpi_code)
|
||
}else{
|
||
/* No dup, just copy it. */
|
||
info_dup = info;
|
||
}
|
||
|
||
/* copy them to the return arguments */
|
||
*comm_new = comm_dup;
|
||
*info_new = info_dup;
|
||
|
||
done:
|
||
if (FAIL == ret_value){
|
||
/* need to free anything created here */
|
||
if (MPI_COMM_NULL != comm_dup)
|
||
MPI_Comm_free(&comm_dup);
|
||
if (MPI_INFO_NULL != info_dup)
|
||
MPI_Info_free(&info_dup);
|
||
}
|
||
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_comm_info_free
|
||
*
|
||
* Purpose: Free the communicator and Info object.
|
||
* If comm or info is in fact MPI_COMM_NULL or MPI_INFO_NULL
|
||
* respectively, no action occurs to it.
|
||
*
|
||
* Return: Success: Non-negative. The values the pointers refer
|
||
* to will be set to the corresponding NULL
|
||
* handles.
|
||
*
|
||
* Failure: Negative.
|
||
*
|
||
* Programmer: Albert Cheng
|
||
* Jan 8, 2003
|
||
*
|
||
* Modifications:
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_mpi_comm_info_free(MPI_Comm *comm, MPI_Info *info)
|
||
{
|
||
herr_t ret_value=SUCCEED;
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
/* Check arguments */
|
||
if (!comm || !info)
|
||
HGOTO_ERROR(H5E_INTERNAL, H5E_BADVALUE, FAIL, "not a valid argument")
|
||
|
||
if (MPI_COMM_NULL != *comm)
|
||
MPI_Comm_free(comm);
|
||
if (MPI_INFO_NULL != *info)
|
||
MPI_Info_free(info);
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
#ifdef NOT_YET
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpio_wait_for_left_neighbor
|
||
*
|
||
* Purpose: Blocks until (empty) msg is received from immediately
|
||
* lower-rank neighbor. In conjunction with
|
||
* H5FD_mpio_signal_right_neighbor, useful for enforcing
|
||
* 1-process-at-at-time access to critical regions to avoid race
|
||
* conditions (though it is overkill to require that the
|
||
* processes be allowed to proceed strictly in order of their
|
||
* rank).
|
||
*
|
||
* Note: This routine doesn't read or write any file, just performs
|
||
* interprocess coordination. It really should reside in a
|
||
* separate package of such routines.
|
||
*
|
||
* Return: Success: 0
|
||
* Failure: -1
|
||
*
|
||
* Programmer: rky
|
||
* 19981207
|
||
*
|
||
* Modifications:
|
||
* Robb Matzke, 1999-08-09
|
||
* Modified to work with the virtual file layer.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_mpio_wait_for_left_neighbor(H5FD_t *_file)
|
||
{
|
||
H5FD_mpio_t *file = (H5FD_mpio_t*)_file;
|
||
char msgbuf[1];
|
||
MPI_Status rcvstat;
|
||
int mpi_code; /* mpi return code */
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
HDassert(file);
|
||
HDassert(H5FD_MPIO==file->pub.driver_id);
|
||
|
||
/* Portably initialize MPI status variable */
|
||
HDmemset(&rcvstat,0,sizeof(MPI_Status));
|
||
|
||
/* p0 has no left neighbor; all other procs wait for msg */
|
||
if (file->mpi_rank != 0) {
|
||
if (MPI_SUCCESS != (mpi_code=MPI_Recv( &msgbuf, 1, MPI_CHAR,
|
||
file->mpi_rank-1, MPI_ANY_TAG, file->comm, &rcvstat )))
|
||
HMPI_GOTO_ERROR(FAIL, "MPI_Recv failed", mpi_code)
|
||
}
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpio_signal_right_neighbor
|
||
*
|
||
* Purpose: Blocks until (empty) msg is received from immediately
|
||
* lower-rank neighbor. In conjunction with
|
||
* H5FD_mpio_wait_for_left_neighbor, useful for enforcing
|
||
* 1-process-at-at-time access to critical regions to avoid race
|
||
* conditions (though it is overkill to require that the
|
||
* processes be allowed to proceed strictly in order of their
|
||
* rank).
|
||
*
|
||
* Note: This routine doesn't read or write any file, just performs
|
||
* interprocess coordination. It really should reside in a
|
||
* separate package of such routines.
|
||
*
|
||
* Return: Success: 0
|
||
* Failure: -1
|
||
*
|
||
* Programmer: rky
|
||
* 19981207
|
||
*
|
||
* Modifications:
|
||
* Robb Matzke, 1999-08-09
|
||
* Modified to work with the virtual file layer.
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_mpio_signal_right_neighbor(H5FD_t *_file)
|
||
{
|
||
H5FD_mpio_t *file = (H5FD_mpio_t*)_file;
|
||
char msgbuf[1];
|
||
int mpi_code; /* mpi return code */
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
HDassert(file);
|
||
HDassert(H5FD_MPIO==file->pub.driver_id);
|
||
|
||
if(file->mpi_rank != (file->mpi_size - 1))
|
||
if(MPI_SUCCESS != (mpi_code=MPI_Send(&msgbuf, 0/*empty msg*/, MPI_CHAR, file->mpi_rank + 1, 0, file->comm)))
|
||
HMPI_GOTO_ERROR(FAIL, "MPI_Send failed", mpi_code)
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
#endif /* NOT_YET */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_mpi_setup_collective
|
||
*
|
||
* Purpose: Set the buffer type BTYPE, file type FTYPE for a data
|
||
* transfer. Also request a MPI type transfer.
|
||
*
|
||
* Return: Success: 0
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Monday, August 9, 1999
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
herr_t
|
||
H5FD_mpi_setup_collective(hid_t dxpl_id, MPI_Datatype *btype, MPI_Datatype *ftype)
|
||
{
|
||
H5P_genplist_t *plist; /* Property list pointer */
|
||
herr_t ret_value = SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(FAIL)
|
||
|
||
/* Check arguments */
|
||
if(NULL == (plist = H5P_object_verify(dxpl_id,H5P_DATASET_XFER)))
|
||
HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, FAIL, "not a dataset transfer list")
|
||
|
||
/* Set buffer MPI type */
|
||
if(H5P_set(plist, H5FD_MPI_XFER_MEM_MPI_TYPE_NAME, btype) < 0)
|
||
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set MPI-I/O property")
|
||
|
||
/* Set File MPI type */
|
||
if(H5P_set(plist, H5FD_MPI_XFER_FILE_MPI_TYPE_NAME, ftype) < 0)
|
||
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set MPI-I/O property")
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_mpi_setup_collective() */
|
||
|
||
#endif /* H5_HAVE_PARALLEL */
|