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rAKA akantu
communication_descriptor_tmpl.hh
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/**
* @file communication_descriptor_tmpl.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Tue Sep 6 14:03:16 2016
*
* @brief implementation of CommunicationDescriptor
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "communication_descriptor.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_COMMUNICATION_DESCRIPTOR_TMPL_HH__
#define __AKANTU_COMMUNICATION_DESCRIPTOR_TMPL_HH__
namespace
akantu
{
/* -------------------------------------------------------------------------- */
/* Implementations */
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
CommunicationDescriptor
<
Entity
>::
CommunicationDescriptor
(
Communication
&
communication
,
Array
<
Entity
>
&
scheme
,
Communications
<
Entity
>
&
communications
,
const
SynchronizationTag
&
tag
,
UInt
proc
)
:
communication
(
communication
),
scheme
(
scheme
),
communications
(
communications
),
tag
(
tag
),
proc
(
proc
),
rank
(
communications
.
getCommunicator
().
whoAmI
())
{
counter
=
communications
.
getCounter
(
tag
);
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
CommunicationBuffer
&
CommunicationDescriptor
<
Entity
>::
getBuffer
()
{
return
communication
.
buffer
();
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
CommunicationRequest
&
CommunicationDescriptor
<
Entity
>::
getRequest
()
{
return
communication
.
request
();
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
void
CommunicationDescriptor
<
Entity
>::
freeRequest
()
{
const
auto
&
comm
=
communications
.
getCommunicator
();
// comm.test(communication.request());
comm
.
freeCommunicationRequest
(
communication
.
request
());
communications
.
decrementPending
(
tag
,
communication
.
type
());
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
const
Array
<
Entity
>
&
CommunicationDescriptor
<
Entity
>::
getScheme
()
{
return
scheme
;
}
template
<
class
Entity
>
void
CommunicationDescriptor
<
Entity
>::
resetBuffer
()
{
this
->
communication
.
buffer
().
reset
();
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
void
CommunicationDescriptor
<
Entity
>::
packData
(
const
DataAccessor
<
Entity
>
&
accessor
)
{
AKANTU_DEBUG_ASSERT
(
communication
.
type
()
==
_send
,
"Cannot pack data on communication that is not of type _send"
);
accessor
.
packData
(
communication
.
buffer
(),
scheme
,
tag
);
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
void
CommunicationDescriptor
<
Entity
>::
unpackData
(
DataAccessor
<
Entity
>
&
accessor
)
{
AKANTU_DEBUG_ASSERT
(
communication
.
type
()
==
_recv
,
"Cannot unpack data from communication that is not of type _recv"
);
accessor
.
unpackData
(
communication
.
buffer
(),
scheme
,
tag
);
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
void
CommunicationDescriptor
<
Entity
>::
postSend
(
int
hash_id
)
{
AKANTU_DEBUG_ASSERT
(
communication
.
type
()
==
_send
,
"Cannot send a communication that is not of type _send"
);
Tag
comm_tag
=
Tag
::
genTag
(
rank
,
counter
,
tag
,
hash_id
);
AKANTU_DEBUG_ASSERT
(
communication
.
buffer
().
getPackedSize
()
==
communication
.
size
(),
"a problem have been introduced with "
<<
"false sent sizes declaration "
<<
communication
.
buffer
().
getPackedSize
()
<<
" != "
<<
communication
.
size
());
AKANTU_DEBUG_INFO
(
"Posting send to proc "
<<
proc
<<
" (tag: "
<<
tag
<<
" - "
<<
communication
.
size
()
<<
" data to send) "
<<
" [ "
<<
comm_tag
<<
" ]"
);
CommunicationRequest
&
request
=
communication
.
request
();
request
=
communications
.
getCommunicator
().
asyncSend
(
communication
.
buffer
(),
proc
,
comm_tag
);
communications
.
incrementPending
(
tag
,
communication
.
type
());
}
/* -------------------------------------------------------------------------- */
template
<
class
Entity
>
void
CommunicationDescriptor
<
Entity
>::
postRecv
(
int
hash_id
)
{
AKANTU_DEBUG_ASSERT
(
communication
.
type
()
==
_recv
,
"Cannot receive data for communication ("
<<
communication
.
type
()
<<
")that is not of type _recv"
);
Tag
comm_tag
=
Tag
::
genTag
(
proc
,
counter
,
tag
,
hash_id
);
AKANTU_DEBUG_INFO
(
"Posting receive from proc "
<<
proc
<<
" (tag: "
<<
tag
<<
" - "
<<
communication
.
size
()
<<
" data to receive) "
<<
" [ "
<<
comm_tag
<<
" ]"
);
CommunicationRequest
&
request
=
communication
.
request
();
request
=
communications
.
getCommunicator
().
asyncReceive
(
communication
.
buffer
(),
proc
,
comm_tag
);
communications
.
incrementPending
(
tag
,
communication
.
type
());
}
}
// akantu
#endif
/* __AKANTU_COMMUNICATION_DESCRIPTOR_TMPL_HH__ */
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