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Math: benchmark basic Matrix operations. 

So I'm sure the next additions don't make things worse -- in the debug
build, in particular. Current state:

Starting Magnum::Math::Test::MatrixBenchmark with 14 test cases...
  INFO Benchmarking a debug build.
 BENCH [01] 102.25 ± 4.58   ns multiply3()@499x10000 (wall time)
 BENCH [02] 183.84 ± 7.75   ns multiply4()@499x10000 (wall time)
 BENCH [03] 329.84 ± 20.50  ns invert3()@49x10000 (wall time)
 BENCH [04] 442.08 ± 13.47  ns invert3GaussJordan()@49x10000 (wall time)
 BENCH [05] 331.23 ± 13.85  ns invert3Rigid()@49x10000 (wall time)
 BENCH [06] 206.01 ± 11.13  ns invert3Orthogonal()@49x10000 (wall time)
 BENCH [07]   1.01 ± 0.03   µs invert4()@49x10000 (wall time)
 BENCH [08] 826.77 ± 19.33  ns invert4GaussJordan()@49x10000 (wall time)
 BENCH [09] 520.12 ± 21.97  ns invert4Rigid()@49x10000 (wall time)
 BENCH [10] 344.20 ± 13.32  ns invert4Orthogonal()@49x10000 (wall time)
 BENCH [11]  61.00 ± 2.89   ns transformVector3()@999x10000 (wall time)
 BENCH [12]  61.55 ± 3.35   ns transformPoint3()@999x10000 (wall time)
 BENCH [13]  80.65 ± 2.99   ns transformVector4()@999x10000 (wall time)
 BENCH [14]  80.86 ± 3.32   ns transformPoint4()@999x10000 (wall time)
Finished Magnum::Math::Test::MatrixBenchmark with 0 errors out of 5400 checks.
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Vladimír Vondruš 7 years ago
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  1. 2
      src/Magnum/Math/Test/CMakeLists.txt
  2. 220
      src/Magnum/Math/Test/MatrixBenchmark.cpp

2
src/Magnum/Math/Test/CMakeLists.txt
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@ -67,6 +67,8 @@ corrade_add_test(MathInterpolationBenchmark InterpolationBenchmark.cpp LIBRARIES
corrade_add_test(MathConfigurationValueTest ConfigurationValueTest.cpp LIBRARIES MagnumMathTestLib)
corrade_add_test(MathStrictWeakOrderingTest StrictWeakOrderingTest.cpp LIBRARIES MagnumMathTestLib)
corrade_add_test(MathMatrixBenchmark MatrixBenchmark.cpp LIBRARIES MagnumMathTestLib)
set_property(TARGET
MathVectorTest
MathMatrixTest

220
src/Magnum/Math/Test/MatrixBenchmark.cpp
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@ -0,0 +1,220 @@
/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <Corrade/TestSuite/Tester.h>
#include "Magnum/Math/Matrix3.h"
#include "Magnum/Math/Matrix4.h"
#include "Magnum/Math/Algorithms/GaussJordan.h"
namespace Magnum { namespace Math { namespace Test { namespace {
struct MatrixBenchmark: Corrade::TestSuite::Tester {
explicit MatrixBenchmark();
void multiply3();
void multiply4();
void invert3();
void invert3GaussJordan();
void invert3Rigid();
void invert3Orthogonal();
void invert4();
void invert4GaussJordan();
void invert4Rigid();
void invert4Orthogonal();
void transformVector3();
void transformPoint3();
void transformVector4();
void transformPoint4();
};
MatrixBenchmark::MatrixBenchmark() {
addBenchmarks({&MatrixBenchmark::multiply3,
&MatrixBenchmark::multiply4}, 500);
addBenchmarks({&MatrixBenchmark::invert3,
&MatrixBenchmark::invert3GaussJordan,
&MatrixBenchmark::invert3Rigid,
&MatrixBenchmark::invert3Orthogonal,
&MatrixBenchmark::invert4,
&MatrixBenchmark::invert4GaussJordan,
&MatrixBenchmark::invert4Rigid,
&MatrixBenchmark::invert4Orthogonal}, 50);
addBenchmarks({&MatrixBenchmark::transformVector3,
&MatrixBenchmark::transformPoint3,
&MatrixBenchmark::transformVector4,
&MatrixBenchmark::transformPoint4}, 1000);
}
typedef Math::Vector2<Float> Vector2;
typedef Math::Vector3<Float> Vector3;
typedef Math::Vector4<Float> Vector4;
typedef Math::Matrix4<Float> Matrix4;
typedef Math::Matrix3<Float> Matrix3;
enum: std::size_t { Repeats = 10000 };
using namespace Literals;
const Matrix3 Data3Orthogonal = Matrix3::rotation(134.7_degf);
const Matrix3 Data3Rigid = Data3Orthogonal*Matrix3::translation(Vector2::yAxis());
const Matrix3 Data3 = Data3Orthogonal*Matrix3::scaling(Vector2{2.5f})*Matrix3::translation(Vector2::yAxis());
const Matrix4 Data4Orthogonal = Matrix4::rotation(134.7_degf, Vector3{1.0f, 3.0f, -1.4f}.normalized());
const Matrix4 Data4Rigid = Data4Orthogonal*Matrix4::translation(Vector3::zAxis());
const Matrix4 Data4 = Data4Orthogonal*Matrix4::scaling(Vector3{2.5f})*Matrix4::translation(Vector3::zAxis());
void MatrixBenchmark::multiply3() {
Matrix3 a = Data3;
CORRADE_BENCHMARK(Repeats) {
a = a*a;
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::multiply4() {
Matrix4 a = Data4;
CORRADE_BENCHMARK(Repeats) {
a = a*a;
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert3() {
Matrix3 a = Data3;
CORRADE_BENCHMARK(Repeats) {
a = a.inverted();
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert3GaussJordan() {
Matrix3 a = Data3;
CORRADE_BENCHMARK(Repeats) {
a = Math::Algorithms::gaussJordanInverted(a);
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert3Rigid() {
Matrix3 a = Data3Rigid;
CORRADE_BENCHMARK(Repeats) {
a = a.invertedRigid();
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert3Orthogonal() {
Matrix3 a = Data3Orthogonal;
CORRADE_BENCHMARK(Repeats) {
a = a.invertedOrthogonal();
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert4() {
Matrix4 a = Data4;
CORRADE_BENCHMARK(Repeats) {
a = a.inverted();
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert4GaussJordan() {
Matrix4 a = Data4;
CORRADE_BENCHMARK(Repeats) {
a = Math::Algorithms::gaussJordanInverted(a);
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert4Rigid() {
Matrix4 a = Data4Rigid;
CORRADE_BENCHMARK(Repeats) {
a = a.invertedRigid();
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::invert4Orthogonal() {
Matrix4 a = Data4Orthogonal;
CORRADE_BENCHMARK(Repeats) {
a = a.invertedOrthogonal();
}
CORRADE_VERIFY(a.toVector().sum() != 0);
}
void MatrixBenchmark::transformVector3() {
Vector2 a{3.0f, -2.2f};
CORRADE_BENCHMARK(Repeats) {
a = Data3.transformVector(a);
}
CORRADE_VERIFY(a.sum() != 0);
}
void MatrixBenchmark::transformPoint3() {
Vector2 a{3.0f, -2.2f};
CORRADE_BENCHMARK(Repeats) {
a = Data3.transformPoint(a);
}
CORRADE_VERIFY(a.sum() != 0);
}
void MatrixBenchmark::transformVector4() {
Vector3 a{1.0f, 3.0f, -2.2f};
CORRADE_BENCHMARK(Repeats) {
a = Data4.transformVector(a);
}
CORRADE_VERIFY(a.sum() != 0);
}
void MatrixBenchmark::transformPoint4() {
Vector3 a{1.0f, 3.0f, -2.2f};
CORRADE_BENCHMARK(Repeats) {
a = Data4.transformVector(a);
}
CORRADE_VERIFY(a.sum() != 0);
}
}}}}
CORRADE_TEST_MAIN(Magnum::Math::Test::MatrixBenchmark)
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