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solverstack
ScalFMM
Commits
3b11a857
Commit
3b11a857
authored
9 years ago
by
BRAMAS Berenger
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update read me and remove periodic spherical test
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README.txt
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README.txt
UTests/utestSphericalDirectPeriodic.cpp
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UTests/utestSphericalDirectPeriodic.cpp
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3 additions
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README.txt
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−
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3b11a857
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...
@@ -22,6 +22,9 @@ ccmake ..
make
# And access executables in scalfmm/Build/Tests/{Release,Debug}/.....
To compile with StarPU you can pass, as an example:
cmake .. -DSCALFMM_USE_STARPU=ON -DSCALFMM_USE_CUDA=OFF -DSCALFMM_USE_OPENCL=OFF -DHWLOC_DIR=/home/berenger/Téléchargements/hwloc-1.10.0/install/ -DSTARPU_DIR=/home/berenger/Téléchargements/starpu-work/StarPU/installwithfxt
---------------------------------------------------
---------------------------------------------------
...
...
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UTests/utestSphericalDirectPeriodic.cpp
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7df6087c
// ===================================================================================
// 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".
// ===================================================================================
#include
"Containers/FOctree.hpp"
#include
"Containers/FVector.hpp"
#include
"Kernels/Spherical/FSphericalCell.hpp"
#include
"Kernels/Spherical/FSphericalKernel.hpp"
#include
"Kernels/P2P/FP2PParticleContainerIndexed.hpp"
#include
"Kernels/Interpolation/FInterpMatrixKernel.hpp"
#include
"Components/FSimpleLeaf.hpp"
#include
"Core/FFmmAlgorithmPeriodic.hpp"
#include
"Files/FRandomLoader.hpp"
#include
"FUTester.hpp"
#include
"Components/FTestCell.hpp"
#include
"Components/FTestKernels.hpp"
/** The class to run the test */
class
TestSphericalDirectPeriodic
:
public
FUTester
<
TestSphericalDirectPeriodic
>
{
/** Here we test only the P2P */
void
TestPeriodicFmm
(){
typedef
double
FReal
;
typedef
FSphericalCell
<
FReal
>
CellClass
;
typedef
FP2PParticleContainerIndexed
<
FReal
>
ContainerClass
;
typedef
FSphericalKernel
<
FReal
,
CellClass
,
ContainerClass
>
KernelClass
;
typedef
FSimpleLeaf
<
FReal
,
ContainerClass
>
LeafClass
;
typedef
FOctree
<
FReal
,
CellClass
,
ContainerClass
,
LeafClass
>
OctreeClass
;
typedef
FFmmAlgorithmPeriodic
<
FReal
,
OctreeClass
,
CellClass
,
ContainerClass
,
KernelClass
,
LeafClass
>
FmmClass
;
// Parameters
const
int
NbLevels
=
4
;
const
int
SizeSubLevels
=
2
;
const
int
PeriodicDeep
=
2
;
const
int
DevP
=
14
;
const
int
NbParticles
=
100
;
FSphericalCell
<
FReal
>::
Init
(
DevP
);
FRandomLoader
<
FReal
>
loader
(
NbParticles
);
OctreeClass
tree
(
NbLevels
,
SizeSubLevels
,
loader
.
getBoxWidth
(),
loader
.
getCenterOfBox
());
struct
TestParticle
{
FPoint
<
FReal
>
position
;
FReal
forces
[
3
];
FReal
physicalValue
;
FReal
potential
;
};
FReal
coeff
=
-
1.0
,
value
=
0.10
,
sum
=
0.0
,
a
=
0.0
;
TestParticle
*
const
particles
=
new
TestParticle
[
loader
.
getNumberOfParticles
()];
for
(
FSize
idxPart
=
0
;
idxPart
<
loader
.
getNumberOfParticles
()
;
++
idxPart
){
FPoint
<
FReal
>
position
;
loader
.
fillParticle
(
&
position
);
value
*=
coeff
;
sum
+=
value
;
a
=
std
::
max
(
a
,
position
.
getX
()
*
position
.
getX
()
+
position
.
getY
()
*
position
.
getY
()
+
position
.
getZ
()
*
position
.
getZ
());
// put in tree
tree
.
insert
(
position
,
idxPart
,
value
);
// get copy
particles
[
idxPart
].
position
=
position
;
particles
[
idxPart
].
physicalValue
=
value
;
particles
[
idxPart
].
potential
=
0.0
;
particles
[
idxPart
].
forces
[
0
]
=
0.0
;
particles
[
idxPart
].
forces
[
1
]
=
0.0
;
particles
[
idxPart
].
forces
[
2
]
=
0.0
;
}
FReal
CorErr
=
FReal
(
loader
.
getNumberOfParticles
())
*
value
/
a
;
coeff
=
FMath
::
Abs
(
coeff
)
*
static_cast
<
int
>
(
NbParticles
)
;
// Run FMM
Print
(
"Fmm..."
);
FmmClass
algo
(
&
tree
,
PeriodicDeep
);
KernelClass
kernels
(
DevP
,
algo
.
extendedTreeHeight
(),
algo
.
extendedBoxWidth
(),
algo
.
extendedBoxCenter
());
algo
.
setKernel
(
&
kernels
);
algo
.
execute
();
// Run Direct
Print
(
"Run direct..."
);
FTreeCoordinate
min
,
max
;
algo
.
repetitionsIntervals
(
&
min
,
&
max
);
for
(
FSize
idxTarget
=
0
;
idxTarget
<
loader
.
getNumberOfParticles
()
;
++
idxTarget
){
for
(
FSize
idxOther
=
idxTarget
+
1
;
idxOther
<
loader
.
getNumberOfParticles
()
;
++
idxOther
){
FP2PR
::
MutualParticles
(
particles
[
idxTarget
].
position
.
getX
(),
particles
[
idxTarget
].
position
.
getY
(),
particles
[
idxTarget
].
position
.
getZ
(),
particles
[
idxTarget
].
physicalValue
,
&
particles
[
idxTarget
].
forces
[
0
],
&
particles
[
idxTarget
].
forces
[
1
],
&
particles
[
idxTarget
].
forces
[
2
],
&
particles
[
idxTarget
].
potential
,
particles
[
idxOther
].
position
.
getX
(),
particles
[
idxOther
].
position
.
getY
(),
particles
[
idxOther
].
position
.
getZ
(),
particles
[
idxOther
].
physicalValue
,
&
particles
[
idxOther
].
forces
[
0
],
&
particles
[
idxOther
].
forces
[
1
],
&
particles
[
idxOther
].
forces
[
2
],
&
particles
[
idxOther
].
potential
);
}
for
(
int
idxX
=
min
.
getX
()
;
idxX
<=
max
.
getX
()
;
++
idxX
){
for
(
int
idxY
=
min
.
getY
()
;
idxY
<=
max
.
getY
()
;
++
idxY
){
for
(
int
idxZ
=
min
.
getZ
()
;
idxZ
<=
max
.
getZ
()
;
++
idxZ
){
if
(
idxX
==
0
&&
idxY
==
0
&&
idxZ
==
0
)
continue
;
// next lines for test
const
FPoint
<
FReal
>
offset
(
loader
.
getBoxWidth
()
*
FReal
(
idxX
),
loader
.
getBoxWidth
()
*
FReal
(
idxY
),
loader
.
getBoxWidth
()
*
FReal
(
idxZ
));
for
(
int
idxSource
=
0
;
idxSource
<
NbParticles
;
++
idxSource
){
TestParticle
source
=
particles
[
idxSource
];
source
.
position
+=
offset
;
FP2PR
::
NonMutualParticles
(
source
.
position
.
getX
(),
source
.
position
.
getY
(),
source
.
position
.
getZ
(),
source
.
physicalValue
,
particles
[
idxTarget
].
position
.
getX
(),
particles
[
idxTarget
].
position
.
getY
(),
particles
[
idxTarget
].
position
.
getZ
(),
particles
[
idxTarget
].
physicalValue
,
&
particles
[
idxTarget
].
forces
[
0
],
&
particles
[
idxTarget
].
forces
[
1
],
&
particles
[
idxTarget
].
forces
[
2
],
&
particles
[
idxTarget
].
potential
);
}
}
}
}
}
// Compare
Print
(
"Compute Diff..."
);
FMath
::
FAccurater
<
FReal
>
potentialDiff
;
FMath
::
FAccurater
<
FReal
>
fx
,
fy
,
fz
;
FReal
energy
=
0.0
,
energyD
=
0.0
;
{
// Check that each particle has been summed with all other
tree
.
forEachLeaf
([
&
](
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
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
(
particles
[
indexPartOrig
].
potential
,
potentials
[
idxPart
]);
fx
.
add
(
particles
[
indexPartOrig
].
forces
[
0
],
forcesX
[
idxPart
]);
fy
.
add
(
particles
[
indexPartOrig
].
forces
[
1
],
forcesY
[
idxPart
]);
fz
.
add
(
particles
[
indexPartOrig
].
forces
[
2
],
forcesZ
[
idxPart
]);
energy
+=
potentials
[
idxPart
]
*
physicalValues
[
idxPart
];
energyD
+=
particles
[
indexPartOrig
].
potential
*
particles
[
indexPartOrig
].
physicalValue
;
}
});
}
Print
(
"Potential diff is = "
);
printf
(
" L2Norm %e
\n
"
,
potentialDiff
.
getRelativeL2Norm
());
printf
(
" RMSError %e
\n
"
,
potentialDiff
.
getRMSError
());
Print
(
"Fx diff is = "
);
printf
(
" L2Norm %e
\n
"
,
fx
.
getRelativeL2Norm
());
printf
(
" RMSError %e
\n
"
,
fx
.
getRMSError
());
Print
(
fx
.
getRelativeL2Norm
());
Print
(
fx
.
getRelativeInfNorm
());
Print
(
"Fy diff is = "
);
printf
(
" L2Norm %e
\n
"
,
fy
.
getRelativeL2Norm
());
printf
(
" RMSError %e
\n
"
,
fy
.
getRMSError
());
Print
(
"Fz diff is = "
);
printf
(
" L2Norm %e
\n
"
,
fz
.
getRelativeL2Norm
());
printf
(
" 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 FMM = %.12e
\n
"
,
FMath
::
Abs
(
energy
));
printf
(
" Energy DIRECT = %.12e
\n
"
,
FMath
::
Abs
(
energyD
));
printf
(
" Error = %.12e
\n
"
,
FMath
::
Abs
(
energy
-
energyD
));
printf
(
" Relative Error = %.12e
\n
"
,
FMath
::
Abs
(
energy
-
energyD
)
/
FMath
::
Abs
(
energyD
));
// ASSERT section
double
epsilon
=
1.0
/
FMath
::
pow2
(
DevP
);
const
FReal
MaximumDiffPotential
=
FReal
(
CorErr
*
epsilon
);
const
FReal
MaximumDiffForces
=
FReal
(
10
*
CorErr
*
epsilon
);
printf
(
" Criteria error - Epsilon %e
\n
"
,
epsilon
);
//
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
)
/
FMath
::
Abs
(
energyD
)
<
coeff
*
MaximumDiffPotential
);
//10 Total Energy
delete
[]
particles
;
}
/** After check the memory if needed */
void
After
()
{
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
"
;
}
}
// set test
void
SetTests
(){
AddTest
(
&
TestSphericalDirectPeriodic
::
TestPeriodicFmm
,
"Test Simu and with direct compare to Test fmm periodic"
);
}
};
// You must do this
TestClass
(
TestSphericalDirectPeriodic
)
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