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* complete the support of QVector via a QtAlignedMalloc header

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* add a unit test for QVector which shows the issue with QVector::fill
This commit is contained in:
Gael Guennebaud
2009-01-20 16:50:47 +00:00
parent 8973d12cda
commit f645d1f911
7 changed files with 265 additions and 42 deletions
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38
bench/sparse_product.cpp
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@@ -137,6 +137,44 @@ int main(int argc, char *argv[])
// timer.stop();
std::cout << " a * b' :\t" << timer.value() << endl;
}
// eigen dyn-sparse matrices
{
DynamicSparseMatrix<Scalar> m1(sm1), m2(sm2), m3(sm3);
std::cout << "Eigen dyn-sparse\t" << m1.nonZeros()/float(m1.rows()*m1.cols())*100 << "% * "
<< m2.nonZeros()/float(m2.rows()*m2.cols())*100 << "%\n";
// timer.reset();
// timer.start();
BENCH(for (int k=0; k<REPEAT; ++k) m3 = m1 * m2;)
// timer.stop();
std::cout << " a * b:\t" << timer.value() << endl;
// std::cout << sm3 << "\n";
timer.reset();
timer.start();
// std::cerr << "transpose...\n";
// EigenSparseMatrix sm4 = sm1.transpose();
// std::cout << sm4.nonZeros() << " == " << sm1.nonZeros() << "\n";
// exit(1);
// std::cerr << "transpose OK\n";
// std::cout << sm1 << "\n\n" << sm1.transpose() << "\n\n" << sm4.transpose() << "\n\n";
BENCH(for (int k=0; k<REPEAT; ++k) m3 = m1.transpose() * m2;)
// timer.stop();
std::cout << " a' * b:\t" << timer.value() << endl;
// timer.reset();
// timer.start();
BENCH( for (int k=0; k<REPEAT; ++k) m3 = m1.transpose() * m2.transpose(); )
// timer.stop();
std::cout << " a' * b':\t" << timer.value() << endl;
// timer.reset();
// timer.start();
BENCH( for (int k=0; k<REPEAT; ++k) m3 = m1 * m2.transpose(); )
// timer.stop();
std::cout << " a * b' :\t" << timer.value() << endl;
}
// CSparse
#ifdef CSPARSE