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solverstack
ScalFMM
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5367316b
Commit
5367316b
authored
9 years ago
by
BRAMAS Berenger
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add a tsm utest on the chebyshev kernel
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UTests/utestChebyshevDirectTsm.cpp
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5367316b
// ===================================================================================
// Copyright ScalFmm 2011 INRIA,
// 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".
// ===================================================================================
#include
"Utils/FGlobal.hpp"
#include
"Containers/FOctree.hpp"
#include
"Containers/FVector.hpp"
#include
"Kernels/Chebyshev/FChebCell.hpp"
#include
"Kernels/P2P/FP2PParticleContainerIndexed.hpp"
#include
"Kernels/Interpolation/FInterpMatrixKernel.hpp"
#include
"Components/FTypedLeaf.hpp"
#include
"Extensions/FExtendCellType.hpp"
#include
"Kernels/Chebyshev/FChebSymKernel.hpp"
#include
"Files/FRandomLoader.hpp"
#include
"Files/FFmaGenericLoader.hpp"
#include
"Core/FFmmAlgorithmThreadTsm.hpp"
#include
"Core/FFmmAlgorithmTsm.hpp"
#include
"FUTester.hpp"
/** the test class the rotation and target source model.
*
*/
class
TestChebyshevDirectTsm
:
public
FUTester
<
TestChebyshevDirectTsm
>
{
/** The test method to factorize all the test based on different kernels */
template
<
class
FReal
,
class
CellClass
,
class
ContainerClass
,
class
KernelClass
,
class
LeafClass
,
class
OctreeClass
,
class
FmmClass
,
class
MatrixKernelClass
>
void
RunTest
(){
const
MatrixKernelClass
MatrixKernel
;
// Warning in make test the exec dir it Build/UTests
// Load particles
const
int
nbSources
=
5000
;
const
int
nbTargets
=
5000
;
FRandomLoader
<
FReal
>
loader
(
nbSources
+
nbTargets
);
Print
(
"Number of particles:"
);
Print
(
loader
.
getNumberOfParticles
());
const
int
NbLevels
=
4
;
const
int
SizeSubLevels
=
3
;
// Create octree
OctreeClass
tree
(
NbLevels
,
SizeSubLevels
,
loader
.
getBoxWidth
(),
loader
.
getCenterOfBox
());
const
FReal
physicalValue
=
0.10
;
//
FmaRWParticle
<
FReal
,
8
,
8
>*
const
particlesTargets
=
new
FmaRWParticle
<
FReal
,
8
,
8
>
[
nbTargets
];
for
(
FSize
idxPart
=
0
;
idxPart
<
nbTargets
;
++
idxPart
){
FPoint
<
FReal
>
position
;
loader
.
fillParticle
(
&
position
);
// put in tree
tree
.
insert
(
position
,
FParticleTypeTarget
,
idxPart
,
physicalValue
);
// get copy
particlesTargets
[
idxPart
].
setPosition
(
position
);
*
(
particlesTargets
[
idxPart
].
setPhysicalValue
())
=
physicalValue
;
*
(
particlesTargets
[
idxPart
].
setPotential
())
=
0.0
;
particlesTargets
[
idxPart
].
setForces
()[
0
]
=
0.0
;
particlesTargets
[
idxPart
].
setForces
()[
1
]
=
0.0
;
particlesTargets
[
idxPart
].
setForces
()[
2
]
=
0.0
;
}
FmaRWParticle
<
FReal
,
8
,
8
>*
const
particlesSources
=
new
FmaRWParticle
<
FReal
,
8
,
8
>
[
nbSources
];
for
(
FSize
idxPart
=
0
;
idxPart
<
nbSources
;
++
idxPart
){
FPoint
<
FReal
>
position
;
loader
.
fillParticle
(
&
position
);
// put in tree
tree
.
insert
(
position
,
FParticleTypeSource
,
idxPart
,
physicalValue
);
// get copy
particlesSources
[
idxPart
].
setPosition
(
position
);
*
(
particlesSources
[
idxPart
].
setPhysicalValue
())
=
physicalValue
;
}
// Run FMM
Print
(
"Fmm..."
);
//KernelClass kernels(NbLevels,loader.getBoxWidth());
KernelClass
kernels
(
NbLevels
,
loader
.
getBoxWidth
(),
loader
.
getCenterOfBox
(),
&
MatrixKernel
);
FmmClass
algo
(
&
tree
,
&
kernels
);
algo
.
execute
();
//
//
// Run direct computation
Print
(
"Direct..."
);
for
(
int
idxTarget
=
0
;
idxTarget
<
nbTargets
;
++
idxTarget
){
for
(
int
idxOther
=
0
;
idxOther
<
nbSources
;
++
idxOther
){
FP2P
::
NonMutualParticles
(
particlesSources
[
idxOther
].
getPosition
().
getX
(),
particlesSources
[
idxOther
].
getPosition
().
getY
(),
particlesSources
[
idxOther
].
getPosition
().
getZ
(),
particlesSources
[
idxOther
].
getPhysicalValue
(),
particlesTargets
[
idxTarget
].
getPosition
().
getX
(),
particlesTargets
[
idxTarget
].
getPosition
().
getY
(),
particlesTargets
[
idxTarget
].
getPosition
().
getZ
(),
particlesTargets
[
idxTarget
].
getPhysicalValue
(),
&
particlesTargets
[
idxTarget
].
setForces
()[
0
],
&
particlesTargets
[
idxTarget
].
setForces
()[
1
],
&
particlesTargets
[
idxTarget
].
setForces
()[
2
],
particlesTargets
[
idxTarget
].
setPotential
(),
&
MatrixKernel
);
}
}
//
// Assert
/////////////////////////////////////////////////////////////////////////////////////////////////
// Compute direct energy
/////////////////////////////////////////////////////////////////////////////////////////////////
FReal
energy
=
0.0
,
energyD
=
0.0
;
for
(
int
idx
=
0
;
idx
<
nbTargets
;
++
idx
){
energyD
+=
particlesTargets
[
idx
].
getPotential
()
*
particlesTargets
[
idx
].
getPhysicalValue
()
;
}
/////////////////////////////////////////////////////////////////////////////////////////////////
// Compare
/////////////////////////////////////////////////////////////////////////////////////////////////
Print
(
"Compute Diff..."
);
FMath
::
FAccurater
<
FReal
>
potentialDiff
;
FMath
::
FAccurater
<
FReal
>
fx
,
fy
,
fz
;
{
// Check that each particle has been summed with all other
tree
.
forEachLeaf
([
&
](
LeafClass
*
leaf
){
if
(
leaf
->
getTargets
()
->
getNbParticles
()
){
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
FSize
nbParticlesInLeaf
=
leaf
->
getTargets
()
->
getNbParticles
();
const
FVector
<
FSize
>&
indexes
=
leaf
->
getTargets
()
->
getIndexes
();
for
(
FSize
idxPart
=
0
;
idxPart
<
nbParticlesInLeaf
;
++
idxPart
){
const
FSize
indexPartOrig
=
indexes
[
idxPart
];
potentialDiff
.
add
(
particlesTargets
[
indexPartOrig
].
getPotential
(),
potentials
[
idxPart
]);
fx
.
add
(
particlesTargets
[
indexPartOrig
].
getForces
()[
0
],
forcesX
[
idxPart
]);
fy
.
add
(
particlesTargets
[
indexPartOrig
].
getForces
()[
1
],
forcesY
[
idxPart
]);
fz
.
add
(
particlesTargets
[
indexPartOrig
].
getForces
()[
2
],
forcesZ
[
idxPart
]);
energy
+=
potentials
[
idxPart
]
*
physicalValues
[
idxPart
];
}
}
});
}
delete
[]
particlesTargets
;
delete
[]
particlesSources
;
//
// Print for information
Print
(
"Potential diff is = "
);
printf
(
" Pot L2Norm %e
\n
"
,
potentialDiff
.
getL2Norm
());
printf
(
" Pot RL2Norm %e
\n
"
,
potentialDiff
.
getRelativeL2Norm
());
printf
(
" Pot RMSError %e
\n
"
,
potentialDiff
.
getRMSError
());
Print
(
"Fx diff is = "
);
printf
(
" Fx L2Norm %e
\n
"
,
fx
.
getL2Norm
());
printf
(
" Fx RL2Norm %e
\n
"
,
fx
.
getRelativeL2Norm
());
printf
(
" Fx RMSError %e
\n
"
,
fx
.
getRMSError
());
Print
(
"Fy diff is = "
);
printf
(
" Fy L2Norm %e
\n
"
,
fy
.
getL2Norm
());
printf
(
" Fy RL2Norm %e
\n
"
,
fy
.
getRelativeL2Norm
());
printf
(
" Fy RMSError %e
\n
"
,
fy
.
getRMSError
());
Print
(
"Fz diff is = "
);
printf
(
" Fz L2Norm %e
\n
"
,
fz
.
getL2Norm
());
printf
(
" Fz RL2Norm %e
\n
"
,
fz
.
getRelativeL2Norm
());
printf
(
" Fz RMSError %e
\n
"
,
fz
.
getRMSError
());
FReal
L2error
=
(
fx
.
getRelativeL2Norm
()
*
fx
.
getRelativeL2Norm
()
+
fy
.
getRelativeL2Norm
()
*
fy
.
getRelativeL2Norm
()
+
fz
.
getRelativeL2Norm
()
*
fz
.
getRelativeL2Norm
()
);
printf
(
" Total L2 Force Error= %e
\n
"
,
FMath
::
Sqrt
(
L2error
))
;
printf
(
" Energy Error = %.12e
\n
"
,
FMath
::
Abs
(
energy
-
energyD
));
printf
(
" Energy FMM = %.12e
\n
"
,
FMath
::
Abs
(
energy
));
printf
(
" Energy DIRECT = %.12e
\n
"
,
FMath
::
Abs
(
energyD
));
// Assert
const
FReal
MaximumDiffPotential
=
FReal
(
9e-3
);
const
FReal
MaximumDiffForces
=
FReal
(
9e-2
);
//
Print
(
"Test1 - Error Relative L2 norm Potential "
);
uassert
(
potentialDiff
.
getRelativeL2Norm
()
<
MaximumDiffPotential
);
//1
Print
(
"Test2 - Error RMS L2 norm Potential "
);
uassert
(
potentialDiff
.
getRMSError
()
<
MaximumDiffPotential
);
//2
Print
(
"Test3 - Error Relative L2 norm FX "
);
uassert
(
fx
.
getRelativeL2Norm
()
<
MaximumDiffForces
);
//3
Print
(
"Test4 - Error RMS L2 norm FX "
);
uassert
(
fx
.
getRMSError
()
<
MaximumDiffForces
);
//4
Print
(
"Test5 - Error Relative L2 norm FY "
);
uassert
(
fy
.
getRelativeL2Norm
()
<
MaximumDiffForces
);
//5
Print
(
"Test6 - Error RMS L2 norm FY "
);
uassert
(
fy
.
getRMSError
()
<
MaximumDiffForces
);
//6
Print
(
"Test7 - Error Relative L2 norm FZ "
);
uassert
(
fz
.
getRelativeL2Norm
()
<
MaximumDiffForces
);
//8
Print
(
"Test8 - Error RMS L2 norm FZ "
);
uassert
(
fz
.
getRMSError
()
<
MaximumDiffForces
);
//8
Print
(
"Test9 - Error Relative L2 norm F "
);
uassert
(
L2error
<
MaximumDiffForces
);
//9 Total Force
Print
(
"Test10 - Relative error Energy "
);
uassert
(
FMath
::
Abs
(
energy
-
energyD
)
/
energyD
<
MaximumDiffPotential
);
//10 Total Energy
}
/** If memstas is running print the memory used */
void
PostTest
()
{
if
(
FMemStats
::
controler
.
isUsed
()
){
std
::
cout
<<
"Memory used at the end "
<<
FMemStats
::
controler
.
getCurrentAllocated
()
<<
" Bytes ("
<<
FMemStats
::
controler
.
getCurrentAllocatedMB
()
<<
"MB)
\n
"
;
std
::
cout
<<
"Max memory used "
<<
FMemStats
::
controler
.
getMaxAllocated
()
<<
" Bytes ("
<<
FMemStats
::
controler
.
getMaxAllocatedMB
()
<<
"MB)
\n
"
;
std
::
cout
<<
"Total memory used "
<<
FMemStats
::
controler
.
getTotalAllocated
()
<<
" Bytes ("
<<
FMemStats
::
controler
.
getTotalAllocatedMB
()
<<
"MB)
\n
"
;
}
}
///////////////////////////////////////////////////////////
// The tests!
///////////////////////////////////////////////////////////
static
const
int
P
=
5
;
/** Chebyshev */
void
TestChebyshev
(){
typedef
double
FReal
;
typedef
FInterpMatrixKernelR
<
FReal
>
MatrixKernelClass
;
typedef
FTypedChebCell
<
FReal
,
P
>
CellClass
;
typedef
FP2PParticleContainerIndexed
<
FReal
>
ContainerClass
;
typedef
FChebSymKernel
<
FReal
,
CellClass
,
ContainerClass
,
MatrixKernelClass
,
P
>
KernelClass
;
typedef
FTypedLeaf
<
FReal
,
ContainerClass
>
LeafClass
;
typedef
FOctree
<
FReal
,
CellClass
,
ContainerClass
,
LeafClass
>
OctreeClass
;
typedef
FFmmAlgorithmTsm
<
OctreeClass
,
CellClass
,
ContainerClass
,
KernelClass
,
LeafClass
>
FmmClass
;
RunTest
<
FReal
,
CellClass
,
ContainerClass
,
KernelClass
,
LeafClass
,
OctreeClass
,
FmmClass
,
MatrixKernelClass
>
();
}
void
TestChebyshevThread
(){
typedef
double
FReal
;
typedef
FInterpMatrixKernelR
<
FReal
>
MatrixKernelClass
;
typedef
FTypedChebCell
<
FReal
,
P
>
CellClass
;
typedef
FP2PParticleContainerIndexed
<
FReal
>
ContainerClass
;
typedef
FChebSymKernel
<
FReal
,
CellClass
,
ContainerClass
,
MatrixKernelClass
,
P
>
KernelClass
;
typedef
FTypedLeaf
<
FReal
,
ContainerClass
>
LeafClass
;
typedef
FOctree
<
FReal
,
CellClass
,
ContainerClass
,
LeafClass
>
OctreeClass
;
typedef
FFmmAlgorithmThreadTsm
<
OctreeClass
,
CellClass
,
ContainerClass
,
KernelClass
,
LeafClass
>
FmmClass
;
RunTest
<
FReal
,
CellClass
,
ContainerClass
,
KernelClass
,
LeafClass
,
OctreeClass
,
FmmClass
,
MatrixKernelClass
>
();
}
///////////////////////////////////////////////////////////
// Set the tests!
///////////////////////////////////////////////////////////
/** set test */
void
SetTests
(){
AddTest
(
&
TestChebyshevDirectTsm
::
TestChebyshev
,
"Test Chebyshev Kernel TSM"
);
AddTest
(
&
TestChebyshevDirectTsm
::
TestChebyshevThread
,
"Test Chebyshev Kernel TSM thread"
);
}
};
// You must do this
TestClass
(
TestChebyshevDirectTsm
)
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