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// Copyright (C) 2009 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#include "../tester.h"
#include <dlib/matrix.h>
#ifndef DLIB_USE_BLAS
#error "BLAS bindings must be used for this test to make any sense"
#endif
namespace dlib
{
namespace blas_bindings
{
// This is a little screwy. This function is used inside the BLAS
// bindings to count how many times each of the BLAS functions get called.
#ifdef DLIB_TEST_BLAS_BINDINGS
int& counter_gemm() { static int counter = 0; return counter; }
#endif
}
}
namespace
{
using namespace test;
using namespace std;
// Declare the logger we will use in this test. The name of the logger
// should start with "test."
dlib::logger dlog("test.gemm");
class blas_bindings_gemm_tester : public tester
{
public:
blas_bindings_gemm_tester (
) :
tester (
"test_gemm", // the command line argument name for this test
"Run tests for GEMM routines.", // the command line argument description
0 // the number of command line arguments for this test
)
{}
template <typename matrix_type>
void test_gemm_stuff(
const matrix_type& c
) const
{
using namespace dlib;
using namespace dlib::blas_bindings;
matrix_type b, a;
a = c;
counter_gemm() = 0;
b = a*a;
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = a/2*a;
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = a*trans(a) + a;
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = (a+a)*(a+a);
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = a*(a-a);
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = trans(a)*trans(a) + a;
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = trans(trans(trans(a)*a + a));
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = a*a*a*a;
DLIB_TEST(counter_gemm() == 3);
b = c;
counter_gemm() = 0;
a = a*a*a*a;
DLIB_TEST(counter_gemm() == 3);
a = c;
counter_gemm() = 0;
a = (b + a*trans(a)*a*3*a)*trans(b);
DLIB_TEST(counter_gemm() == 4);
a = c;
counter_gemm() = 0;
a = trans((trans(b) + trans(a)*trans(a)*a*3*a)*trans(b));
DLIB_TEST(counter_gemm() == 4);
a = c;
counter_gemm() = 0;
a = trans((trans(b) + trans(a)*(a)*trans(a)*3*a)*trans(b));
DLIB_TEST(counter_gemm() == 4);
a = c;
counter_gemm() = 0;
a = trans((trans(b) + trans(a)*(a + b)*trans(a)*3*a)*trans(b));
DLIB_TEST_MSG(counter_gemm() == 4, counter_gemm());
a = c;
counter_gemm() = 0;
a = trans((trans(b) + trans(a)*(a*8 + b+b+b+b)*trans(a)*3*a)*trans(b));
DLIB_TEST_MSG(counter_gemm() == 4, counter_gemm());
a = c;
}
template <typename matrix_type>
void test_gemm_stuff_conj(
const matrix_type& c
) const
{
using namespace dlib;
using namespace dlib::blas_bindings;
matrix_type b, a;
a = c;
counter_gemm() = 0;
b = a*conj(a);
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = a*trans(conj(a)) + a;
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = conj(trans(a))*trans(a) + a;
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = trans(trans(trans(a)*conj(a) + conj(a)));
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
b = a*a*conj(a)*a;
DLIB_TEST(counter_gemm() == 3);
b = c;
counter_gemm() = 0;
a = a*trans(conj(a))*a*a;
DLIB_TEST(counter_gemm() == 3);
a = c;
counter_gemm() = 0;
a = (b + a*trans(conj(a))*a*3*a)*trans(b);
DLIB_TEST(counter_gemm() == 4);
a = c;
counter_gemm() = 0;
a = (trans((conj(trans(b)) + trans(a)*conj(trans(a))*a*3*a)*trans(b)));
DLIB_TEST(counter_gemm() == 4);
a = c;
counter_gemm() = 0;
a = ((trans(b) + trans(a)*(a)*trans(a)*3*a)*trans(conj(b)));
DLIB_TEST(counter_gemm() == 4);
a = c;
counter_gemm() = 0;
a = trans((trans(b) + trans(a)*conj(a + b)*trans(a)*3*a)*trans(b));
DLIB_TEST_MSG(counter_gemm() == 4, counter_gemm());
a = c;
counter_gemm() = 0;
a = trans((trans(b) + trans(a)*(a*8 + b+b+b+b)*trans(a)*3*conj(a))*trans(b));
DLIB_TEST_MSG(counter_gemm() == 4, counter_gemm());
a = c;
}
void perform_test (
)
{
using namespace dlib;
typedef dlib::memory_manager<char>::kernel_1a mm;
print_spinner();
dlog << dlib::LINFO << "test double";
{
matrix<double> a = randm(4,4);
test_gemm_stuff(a);
}
print_spinner();
dlog << dlib::LINFO << "test float";
{
matrix<float> a = matrix_cast<float>(randm(4,4));
test_gemm_stuff(a);
}
print_spinner();
dlog << dlib::LINFO << "test complex<float>";
{
matrix<float> a = matrix_cast<float>(randm(4,4));
matrix<float> b = matrix_cast<float>(randm(4,4));
matrix<complex<float> > c = complex_matrix(a,b);
test_gemm_stuff(c);
test_gemm_stuff_conj(c);
}
print_spinner();
dlog << dlib::LINFO << "test complex<double>";
{
matrix<double> a = matrix_cast<double>(randm(4,4));
matrix<double> b = matrix_cast<double>(randm(4,4));
matrix<complex<double> > c = complex_matrix(a,b);
test_gemm_stuff(c);
test_gemm_stuff_conj(c);
}
print_spinner();
dlog << dlib::LINFO << "test double, column major";
{
matrix<double,100,100,mm,column_major_layout> a = randm(100,100);
test_gemm_stuff(a);
}
print_spinner();
dlog << dlib::LINFO << "test float, column major";
{
matrix<float,100,100,mm,column_major_layout> a = matrix_cast<float>(randm(100,100));
test_gemm_stuff(a);
}
print_spinner();
dlog << dlib::LINFO << "test complex<double>, column major";
{
matrix<double,100,100,mm,column_major_layout> a = matrix_cast<double>(randm(100,100));
matrix<double,100,100,mm,column_major_layout> b = matrix_cast<double>(randm(100,100));
matrix<complex<double>,100,100,mm,column_major_layout > c = complex_matrix(a,b);
test_gemm_stuff(c);
test_gemm_stuff_conj(c);
}
print_spinner();
dlog << dlib::LINFO << "test complex<float>, column major";
{
matrix<float,100,100,mm,column_major_layout> a = matrix_cast<float>(randm(100,100));
matrix<float,100,100,mm,column_major_layout> b = matrix_cast<float>(randm(100,100));
matrix<complex<float>,100,100,mm,column_major_layout > c = complex_matrix(a,b);
test_gemm_stuff(c);
test_gemm_stuff_conj(c);
}
{
using namespace dlib;
using namespace dlib::blas_bindings;
array2d<double> a(100,100);
array2d<double> b(100,100);
matrix<double> c;
counter_gemm() = 0;
c = mat(a)*mat(b);
DLIB_TEST(counter_gemm() == 1);
counter_gemm() = 0;
c = trans(2*mat(a)*mat(b));
DLIB_TEST(counter_gemm() == 1);
}
{
using namespace dlib;
using namespace dlib::blas_bindings;
array2d<double> a(100,100);
array2d<double> b(100,100);
matrix<double> aa(100,100);
matrix<double> bb(100,100);
matrix<double> c;
counter_gemm() = 0;
c = mat(&a[0][0],100,100)*mat(&b[0][0],100,100);
DLIB_TEST(counter_gemm() == 1);
set_ptrm(&c(0,0),100,100) = mat(&a[0][0],100,100)*mat(&b[0][0],100,100);
DLIB_TEST(counter_gemm() == 2);
set_ptrm(&c(0,0),100,100) = aa*bb;
DLIB_TEST(counter_gemm() == 3);
counter_gemm() = 0;
c = trans(2*mat(&a[0][0],100,100)*mat(&b[0][0],100,100));
DLIB_TEST(counter_gemm() == 1);
set_ptrm(&c(0,0),100,100) = trans(2*mat(&a[0][0],100,100)*mat(&b[0][0],100,100));
DLIB_TEST(counter_gemm() == 2);
set_ptrm(&c(0,0),100,100) = trans(2*mat(a)*mat(b));
DLIB_TEST(counter_gemm() == 3);
}
print_spinner();
}
};
blas_bindings_gemm_tester a;
}
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