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/**
* @file adam_test.cpp
* @author Vasanth Kalingeri
* @author Vivek Pal
* @author Sourabh Varshney
* @author Haritha Nair
* @author Marcus Edel
* @author Conrad Sanderson
*
* ensmallen is free software; you may redistribute it and/or modify it under
* the terms of the 3-clause BSD license. You should have received a copy of
* the 3-clause BSD license along with ensmallen. If not, see
* http://www.opensource.org/licenses/BSD-3-Clause for more information.
*/
#if defined(ENS_USE_COOT)
#include <armadillo>
#include <bandicoot>
#endif
#include <ensmallen.hpp>
#include "catch.hpp"
#include "test_function_tools.hpp"
using namespace ens;
using namespace ens::test;
TEMPLATE_TEST_CASE("Adam_SphereFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(1.0, 2, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-3,
false);
FunctionTest<SphereFunction, TestType>(
optimizer,
10 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_StyblinskiTangFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(1.0, 2, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-3,
false);
FunctionTest<StyblinskiTangFunction, TestType>(
optimizer,
30 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_McCormickFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.4, 1, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-5,
false);
FunctionTest<McCormickFunction, TestType>(
optimizer,
10 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_MatyasFunctionFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.5, 1, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-5,
false);
FunctionTest<MatyasFunction, TestType>(
optimizer,
Tolerances<TestType>::LargeObj,
Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_EasomFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.2, 1, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-5,
false);
FunctionTest<EasomFunction, TestType>(
optimizer,
3 * Tolerances<TestType>::LargeObj,
Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_BoothFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.75, 1, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-9,
true);
FunctionTest<BoothFunction, TestType>(
optimizer,
Tolerances<TestType>::LargeObj,
Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("AMSGrad_SphereFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
AMSGrad optimizer(0.01, 1, 0.9, 0.999, Tolerances<TestType>::Obj, 50000,
Tolerances<TestType>::Obj / 100, true);
FunctionTest<SphereFunction, TestType>(
optimizer,
10 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
Adam adam(0.032);
LogisticRegressionFunctionTest<TestType>(adam);
}
TEMPLATE_TEST_CASE("AdaMax_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
AdaMax adamax(1e-3, 1, 0.9, 0.999, Tolerances<TestType>::Obj, 50000,
Tolerances<TestType>::Obj / 10, true);
LogisticRegressionFunctionTest<TestType>(adamax);
}
TEMPLATE_TEST_CASE("AMSGrad_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
AMSGrad amsgrad(1e-3, 1, 0.9, 0.999, Tolerances<TestType>::Obj, 50000,
Tolerances<TestType>::Obj / 100, true);
LogisticRegressionFunctionTest<TestType>(amsgrad);
}
TEMPLATE_TEST_CASE("Nadam_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
Nadam nadam(0.032);
LogisticRegressionFunctionTest<TestType>(nadam);
}
TEMPLATE_TEST_CASE("NadaMax_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
NadaMax nadamax(1e-3, 1, 0.9, 0.999, Tolerances<TestType>::Obj, 50000,
Tolerances<TestType>::Obj / 10, true);
LogisticRegressionFunctionTest<TestType>(nadamax);
}
TEMPLATE_TEST_CASE("OptimisticAdam_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
OptimisticAdam optimisticAdam(0.032);
LogisticRegressionFunctionTest<TestType>(optimisticAdam);
}
TEMPLATE_TEST_CASE("Padam_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
Padam optimizer(0.032);
LogisticRegressionFunctionTest<TestType>(optimizer);
}
TEMPLATE_TEST_CASE("QHAdam_LogisticRegressionFunction", "[Adam]",
ENS_ALL_TEST_TYPES)
{
QHAdam optimizer(0.032);
LogisticRegressionFunctionTest<TestType>(optimizer);
}
TEMPLATE_TEST_CASE("Adam_AckleyFunction", "[Adam]", ENS_ALL_CPU_TEST_TYPES)
{
Adam optimizer(0.004, 2, 0.7, 0.999, 100 * Tolerances<TestType>::Obj / 100,
1000000, Tolerances<TestType>::Obj / 100, false);
FunctionTest<AckleyFunction, TestType>(
optimizer,
10 * Tolerances<TestType>::LargeObj,
10 * Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_BealeFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.01, 2, 0.7, 0.999, 10 * Tolerances<TestType>::Obj, 50000,
1e-8, false);
FunctionTest<BealeFunction, TestType>(
optimizer,
3 * Tolerances<TestType>::LargeObj,
3 * Tolerances<TestType>::LargeCoord);
}
// FP16 cannot be used for this test because the initial gradient is too large.
TEMPLATE_TEST_CASE("Adam_GoldsteinPriceFunction", "[Adam]", ENS_TEST_TYPES)
{
Adam optimizer(0.2, 2, 0.7, 0.999, 100 * Tolerances<TestType>::Obj, 50000,
1e-8, false);
FunctionTest<GoldsteinPriceFunction, TestType>(
optimizer,
Tolerances<TestType>::LargeObj,
Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_LevyFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.005, 2, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-8,
false);
FunctionTest<LevyFunctionN13, TestType>(
optimizer,
Tolerances<TestType>::LargeObj,
Tolerances<TestType>::LargeCoord);
}
TEMPLATE_TEST_CASE("Adam_HimmelblauFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
HimmelblauFunction f;
Adam optimizer(0.005, 2, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-8,
false);
TestType coordinates = TestType("2.9; 1.9");
optimizer.Optimize(f, coordinates);
REQUIRE(coordinates(0) == Approx(3.0).margin(0.05));
REQUIRE(coordinates(1) == Approx(2.0).margin(0.05));
}
TEMPLATE_TEST_CASE("Adam_ThreeHumpCamelFunction", "[Adam]", ENS_ALL_TEST_TYPES)
{
Adam optimizer(0.005, 2, 0.7, 0.999, Tolerances<TestType>::Obj, 50000, 1e-8,
false);
FunctionTest<ThreeHumpCamelFunction, TestType>(
optimizer,
Tolerances<TestType>::LargeObj,
Tolerances<TestType>::LargeCoord);
}
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