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solverstack
ScalFMM
Commits
09d0ce91
Commit
09d0ce91
authored
Sep 23, 2014
by
BRAMAS Berenger
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Make a clean test file into the kernel dir and rename the previous one with debug
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ae13e9bb
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Tests/Kernels/testAdaptiveChebSymFMM.cpp
Tests/Kernels/testAdaptiveChebSymFMM.cpp
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Tests/noDist/testAdaptiveChebSymFMMDebug.cpp
Tests/noDist/testAdaptiveChebSymFMMDebug.cpp
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Tests/Kernels/testAdaptiveChebSymFMM.cpp
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View file @
09d0ce91
// ===================================================================================
// Copyright ScalFmm 2011 INRIA, Olivier Coulaud, Berenger Bramas, Matthias Messner
// olivier.coulaud@inria.fr, berenger.bramas@inria.fr
// This software is a computer program whose purpose is to compute the FMM.
//
// This software is governed by the CeCILL-C and LGPL licenses and
// abiding by the rules of distribution of free software.
//
// This program 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 General Public and CeCILL-C Licenses for more details.
// "http://www.cecill.info".
// "http://www.gnu.org/licenses".
// ===================================================================================
// ==== CMAKE =====
// @FUSE_BLAS
// ================
#include <iostream>
#include <cstdio>
#include "Utils/FParameters.hpp"
#include "Utils/FTic.hpp"
#include "Containers/FOctree.hpp"
#include "Components/FSimpleLeaf.hpp"
#include "Utils/FPoint.hpp"
#include "Files/FFmaGenericLoader.hpp"
#include "Files/FRandomLoader.hpp"
#include "Components/FBasicKernels.hpp"
#include "Components/FSimpleIndexedLeaf.hpp"
#include "Kernels/P2P/FP2PParticleContainerIndexed.hpp"
#include "Kernels/Interpolation/FInterpMatrixKernel.hpp"
#include "Kernels/Chebyshev/FChebCell.hpp"
#include "Adaptive/FAdaptiveCell.hpp"
#include "Adaptive/FAdaptiveKernelWrapper.hpp"
#include "Adaptive/FAbstractAdaptiveKernel.hpp"
#include "Adaptive/FAdaptChebSymKernel.hpp"
#include "Kernels/Interpolation/FInterpMatrixKernel.hpp"
#include "Kernels/Chebyshev/FChebCell.hpp"
#include "Adaptive/FAdaptTools.hpp"
#include "Adaptive/FAdaptivePrintKernel.hpp"
#include "Core/FFmmAlgorithm.hpp"
#include "Utils/FParameterNames.hpp"
/** This program show an example of use of the fmm basic algo
* it also check that each particles is impacted each other particles
*/
// Simply create particles and try the kernels
int
main
(
int
argc
,
char
**
argv
){
//
const
FParameterNames
LocalOptionMinMultipoleThreshod
{{
"-sM"
},
" s_min^M threshold for Multipole (l+1)^2 for Spherical harmonic."
};
const
FParameterNames
LocalOptionMinLocalThreshod
{{
"-SL"
},
" s_min^L threshold for Local (l+1)^2 for Spherical harmonics."
};
FHelpDescribeAndExit
(
argc
,
argv
,
"Test Adaptive kernel and compare it with the direct computation."
,
FParameterDefinitions
::
OctreeHeight
,
FParameterDefinitions
::
NbThreads
,
FParameterDefinitions
::
OctreeSubHeight
,
FParameterDefinitions
::
InputFile
,
LocalOptionMinMultipoleThreshod
,
LocalOptionMinLocalThreshod
);
const
unsigned
int
P
=
5
;
typedef
FChebCell
<
P
>
CellClass
;
typedef
FP2PParticleContainerIndexed
<>
ContainerClass
;
typedef
FSimpleLeaf
<
ContainerClass
>
LeafClass
;
typedef
FInterpMatrixKernelR
MatrixKernelClass
;
typedef
FAdaptiveChebSymKernel
<
CellClass
,
ContainerClass
,
MatrixKernelClass
,
P
>
KernelClass
;
typedef
FAdaptiveCell
<
CellClass
,
ContainerClass
>
CellWrapperClass
;
typedef
FAdaptiveKernelWrapper
<
KernelClass
,
CellClass
,
ContainerClass
>
KernelWrapperClass
;
typedef
FOctree
<
CellWrapperClass
,
ContainerClass
,
LeafClass
>
OctreeClass
;
typedef
FFmmAlgorithm
<
OctreeClass
,
CellWrapperClass
,
ContainerClass
,
KernelWrapperClass
,
LeafClass
>
FmmClass
;
FTic
counter
;
//////////////////////////////////////////////////////////////////////////////////
const
int
sminM
=
FParameters
::
getValue
(
argc
,
argv
,
LocalOptionMinMultipoleThreshod
.
options
,
P
*
P
*
P
);
const
int
sminL
=
FParameters
::
getValue
(
argc
,
argv
,
LocalOptionMinLocalThreshod
.
options
,
P
*
P
*
P
);
const
std
::
string
fileName
(
FParameters
::
getStr
(
argc
,
argv
,
FParameterDefinitions
::
InputFile
.
options
,
"../Data/noDistprolate50.out.fma"
));
const
unsigned
int
TreeHeight
=
FParameters
::
getValue
(
argc
,
argv
,
FParameterDefinitions
::
OctreeHeight
.
options
,
3
);
const
unsigned
int
SubTreeHeight
=
FParameters
::
getValue
(
argc
,
argv
,
FParameterDefinitions
::
OctreeSubHeight
.
options
,
2
);
FFmaGenericLoader
loader
(
fileName
);
const
long
int
NbPart
=
loader
.
getNumberOfParticles
()
;
//////////////////////////////////////////////////////////////////////////////////
OctreeClass
tree
(
TreeHeight
,
SubTreeHeight
,
loader
.
getBoxWidth
(),
loader
.
getCenterOfBox
());
//////////////////////////////////////////////////////////////////////////////////
std
::
cout
<<
"Creating & Inserting "
<<
NbPart
<<
" particles ..."
<<
std
::
endl
;
std
::
cout
<<
"
\t
Height : "
<<
TreeHeight
<<
"
\t
sub-height : "
<<
SubTreeHeight
<<
std
::
endl
;
std
::
cout
<<
" criteria SM: "
<<
sminM
<<
std
::
endl
<<
" criteria SL: "
<<
sminL
<<
std
::
endl
<<
std
::
endl
;
counter
.
tic
();
FmaRWParticle
<
8
,
8
>*
const
particles
=
new
FmaRWParticle
<
8
,
8
>
[
NbPart
];
loader
.
fillParticle
(
particles
,
NbPart
);
for
(
int
idxPart
=
0
;
idxPart
<
NbPart
;
++
idxPart
){
const
FPoint
PP
(
particles
[
idxPart
].
getPosition
()
)
;
tree
.
insert
(
PP
,
idxPart
,
particles
[
idxPart
].
getPhysicalValue
());
}
counter
.
tac
();
std
::
cout
<<
"Done "
<<
"(@Creating and Inserting Particles = "
<<
counter
.
elapsed
()
<<
" s)."
<<
std
::
endl
;
//////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////
std
::
cout
<<
"Working on particles ..."
<<
std
::
endl
;
counter
.
tic
();
const
MatrixKernelClass
MatrixKernel
;
KernelWrapperClass
kernels
(
TreeHeight
,
loader
.
getBoxWidth
(),
loader
.
getCenterOfBox
(),
&
MatrixKernel
,
sminM
,
sminL
);
// FTestKernels FBasicKernels
FmmClass
algo
(
&
tree
,
&
kernels
);
//FFmmAlgorithm FFmmAlgorithmThread
algo
.
execute
();
counter
.
tac
();
std
::
cout
<<
"Done "
<<
"(@Algorithm = "
<<
counter
.
elapsed
()
<<
" s)."
<<
std
::
endl
;
/////////////////////////////////////////////////////////////////////////////////////////////////
// Compute direct energy
/////////////////////////////////////////////////////////////////////////////////////////////////
FReal
energyD
=
0.0
;
for
(
int
idx
=
0
;
idx
<
loader
.
getNumberOfParticles
()
;
++
idx
){
energyD
+=
particles
[
idx
].
getPotential
()
*
particles
[
idx
].
getPhysicalValue
()
;
}
/////////////////////////////////////////////////////////////////////////////////////////////////
// Compare
/////////////////////////////////////////////////////////////////////////////////////////////////
{
FMath
::
FAccurater
potentialDiff
;
FMath
::
FAccurater
fx
,
fy
,
fz
;
FReal
energy
=
0.0
;
{
// Check that each particle has been summed with all other
// std::cout << "indexPartOrig || DIRECT V fx || FMM V fx" << std::endl;
tree
.
forEachCellLeaf
([
&
](
CellWrapperClass
*
cell
,
LeafClass
*
leaf
){
const
FReal
*
const
potentials
=
leaf
->
getTargets
()
->
getPotentials
();
const
FReal
*
const
physicalValues
=
leaf
->
getTargets
()
->
getPhysicalValues
();
const
FReal
*
const
forcesX
=
leaf
->
getTargets
()
->
getForcesX
();
const
FReal
*
const
forcesY
=
leaf
->
getTargets
()
->
getForcesY
();
const
FReal
*
const
forcesZ
=
leaf
->
getTargets
()
->
getForcesZ
();
const
int
nbParticlesInLeaf
=
leaf
->
getTargets
()
->
getNbParticles
();
const
FVector
<
int
>&
indexes
=
leaf
->
getTargets
()
->
getIndexes
();
for
(
int
idxPart
=
0
;
idxPart
<
nbParticlesInLeaf
;
++
idxPart
){
const
int
indexPartOrig
=
indexes
[
idxPart
];
potentialDiff
.
add
(
particles
[
indexPartOrig
].
getPotential
(),
potentials
[
idxPart
]);
fx
.
add
(
particles
[
indexPartOrig
].
getForces
()[
0
],
forcesX
[
idxPart
]);
fy
.
add
(
particles
[
indexPartOrig
].
getForces
()[
1
],
forcesY
[
idxPart
]);
fz
.
add
(
particles
[
indexPartOrig
].
getForces
()[
2
],
forcesZ
[
idxPart
]);
energy
+=
potentials
[
idxPart
]
*
physicalValues
[
idxPart
];
}
});
}
// Print for information
std
::
cout
<<
"Energy [relative L2 error] "
<<
FMath
::
Abs
(
energy
-
energyD
)
/
energyD
<<
std
::
endl
;
std
::
cout
<<
"Potential "
<<
potentialDiff
<<
std
::
endl
;
std
::
cout
<<
"Fx "
<<
fx
<<
std
::
endl
;
std
::
cout
<<
"Fy "
<<
fy
<<
std
::
endl
;
std
::
cout
<<
"Fz "
<<
fz
<<
std
::
endl
;
}
delete
[]
particles
;
return
0
;
}
Tests/noDist/testAdaptiveChebSymFMM.cpp
→
Tests/noDist/testAdaptiveChebSymFMM
Debug
.cpp
View file @
09d0ce91
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