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static_communicator_dummy.hh
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Fri, Jun 28, 12:21
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rAKA akantu
static_communicator_dummy.hh
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/**
* @file static_communicator_dummy.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Wed Jan 13 2016
*
* @brief Dummy communicator to make everything work im sequential
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__
#define __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "real_static_communicator.hh"
/* -------------------------------------------------------------------------- */
#include <cstring>
#include <vector>
/* -------------------------------------------------------------------------- */
namespace
akantu
{
class
StaticCommunicatorDummy
:
public
RealStaticCommunicator
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
StaticCommunicatorDummy
(
int
&
argc
,
char
**&
argv
)
:
RealStaticCommunicator
(
argc
,
argv
)
{
this
->
prank
=
0
;
this
->
psize
=
1
;
}
virtual
~
StaticCommunicatorDummy
()
{}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
template
<
typename
T
>
void
send
(
T
*
,
Int
,
Int
,
Int
)
{}
template
<
typename
T
>
void
receive
(
T
*
,
Int
,
Int
,
Int
)
{}
template
<
typename
T
>
CommunicationRequest
asyncSend
(
T
*
,
Int
,
Int
,
Int
)
{
return
std
::
shared_ptr
<
InternalCommunicationRequest
>
(
new
InternalCommunicationRequest
(
0
,
0
));
}
template
<
typename
T
>
CommunicationRequest
asyncReceive
(
T
*
,
Int
,
Int
,
Int
)
{
return
std
::
shared_ptr
<
InternalCommunicationRequest
>
(
new
InternalCommunicationRequest
(
0
,
0
));
}
template
<
typename
T
>
inline
void
probe
(
Int
,
Int
,
CommunicationStatus
&
)
{}
bool
testRequest
(
CommunicationRequest
&
)
{
return
true
;
}
void
wait
(
CommunicationRequest
&
)
{}
void
waitAll
(
std
::
vector
<
CommunicationRequest
>
&
)
{}
UInt
waitAny
(
std
::
vector
<
CommunicationRequest
>
&
)
{
return
UInt
(
-
1
);
}
void
barrier
()
{}
template
<
typename
T
>
void
reduce
(
T
*
,
int
,
const
SynchronizerOperation
&
,
int
)
{}
template
<
typename
T
>
void
allReduce
(
T
*
,
int
,
const
SynchronizerOperation
&
)
{}
template
<
typename
T
>
inline
void
allGather
(
T
*
,
int
)
{}
template
<
typename
T
>
inline
void
allGatherV
(
T
*
,
int
*
)
{}
template
<
typename
T
>
inline
void
gather
(
T
*
,
int
,
int
=
0
)
{}
template
<
typename
T
>
inline
void
gather
(
T
*
values
,
int
nb_values
,
T
*
gathered
,
int
)
{
std
::
memcpy
(
gathered
,
values
,
nb_values
);
}
template
<
typename
T
>
inline
void
gatherV
(
T
*
,
int
*
,
int
=
0
)
{}
template
<
typename
T
>
inline
void
broadcast
(
T
*
,
int
,
int
=
0
)
{}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
/* ------------------------------------------------------------------------ */
int
getMaxTag
()
{
return
std
::
numeric_limits
<
int
>::
max
();
}
int
getMinTag
()
{
return
0
;
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
};
}
// akantu
#endif
/* __AKANTU_STATIC_COMMUNICATOR_DUMMY_HH__ */
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