gtsam
3rdparty
Eigen
bench
basicbenchmark.h
Go to the documentation of this file.
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#ifndef EIGEN_BENCH_BASICBENCH_H
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#define EIGEN_BENCH_BASICBENCH_H
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enum
{
LazyEval
,
EarlyEval
,
OmpEval
};
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template
<
int
Mode,
typename
MatrixType>
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void
benchBasic_loop
(
const
MatrixType
&
I
,
MatrixType
&
m
,
int
iterations)
__attribute__
((noinline));
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template
<
int
Mode,
typename
MatrixType>
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void
benchBasic_loop
(
const
MatrixType
&
I
,
MatrixType
&
m
,
int
iterations)
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{
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for
(
int
a
= 0;
a
< iterations;
a
++)
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{
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if
(Mode==
LazyEval
)
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{
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asm
(
"#begin_bench_loop LazyEval"
);
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if
(MatrixType::SizeAtCompileTime!=
Eigen::Dynamic
)
asm
(
"#fixedsize"
);
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m
= (
I
+ 0.00005 * (
m
+
m
.lazyProduct(
m
))).eval();
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}
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else
if
(Mode==
OmpEval
)
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{
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asm
(
"#begin_bench_loop OmpEval"
);
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if
(MatrixType::SizeAtCompileTime!=
Eigen::Dynamic
)
asm
(
"#fixedsize"
);
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m
= (
I
+ 0.00005 * (
m
+
m
.lazyProduct(
m
))).eval();
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}
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else
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{
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asm
(
"#begin_bench_loop EarlyEval"
);
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if
(MatrixType::SizeAtCompileTime!=
Eigen::Dynamic
)
asm
(
"#fixedsize"
);
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m
=
I
+ 0.00005 * (
m
+
m
*
m
);
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}
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asm
(
"#end_bench_loop"
);
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}
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}
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template
<
int
Mode,
typename
MatrixType>
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double
benchBasic
(
const
MatrixType
&
mat
,
int
size
,
int
tries)
__attribute__
((noinline));
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template
<
int
Mode,
typename
MatrixType>
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double
benchBasic
(
const
MatrixType
&
mat
,
int
iterations,
int
tries)
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{
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const
int
rows
=
mat
.rows();
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const
int
cols
=
mat
.cols();
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MatrixType
I
(
rows
,
cols
);
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MatrixType
m
(
rows
,
cols
);
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initMatrix_identity
(
I
);
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Eigen::BenchTimer
timer
;
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for
(uint
t
=0;
t
<tries; ++
t
)
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{
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initMatrix_random
(
m
);
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timer
.start();
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benchBasic_loop<Mode>(
I
,
m
, iterations);
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timer
.stop();
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cerr <<
m
;
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}
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return
timer
.value();
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};
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#endif // EIGEN_BENCH_BASICBENCH_H
MatrixType
MatrixXf MatrixType
Definition:
benchmark-blocking-sizes.cpp:52
timer
static BenchTimer timer
Definition:
benchmark-blocking-sizes.cpp:31
OmpEval
@ OmpEval
Definition:
basicbenchmark.h:5
Eigen::internal::__attribute__
svint32_t PacketXi __attribute__((arm_sve_vector_bits(EIGEN_ARM64_SVE_VL)))
Definition:
SVE/PacketMath.h:33
mat
MatrixXf mat
Definition:
Tutorial_AdvancedInitialization_CommaTemporary.cpp:1
LazyEval
@ LazyEval
Definition:
basicbenchmark.h:5
rows
int rows
Definition:
Tutorial_commainit_02.cpp:1
size
Scalar Scalar int size
Definition:
benchVecAdd.cpp:17
EarlyEval
@ EarlyEval
Definition:
basicbenchmark.h:5
I
#define I
Definition:
main.h:112
initMatrix_identity
void initMatrix_identity(MatrixType &mat) __attribute__((noinline))
Definition:
BenchUtil.h:28
Eigen::Dynamic
const int Dynamic
Definition:
Constants.h:22
Eigen::BenchTimer
Definition:
BenchTimer.h:59
m
Matrix3f m
Definition:
AngleAxis_mimic_euler.cpp:1
a
ArrayXXi a
Definition:
Array_initializer_list_23_cxx11.cpp:1
initMatrix_random
void initMatrix_random(MatrixType &mat) __attribute__((noinline))
Definition:
BenchUtil.h:22
cols
int cols
Definition:
Tutorial_commainit_02.cpp:1
align_3::t
Point2 t(10, 10)
benchBasic_loop
void benchBasic_loop(const MatrixType &I, MatrixType &m, int iterations) __attribute__((noinline))
Definition:
basicbenchmark.h:11
benchBasic
double benchBasic(const MatrixType &mat, int size, int tries) __attribute__((noinline))
Definition:
basicbenchmark.h:41
gtsam
Author(s):
autogenerated on Fri Nov 1 2024 03:31:59