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implement __gnuc_forget_about_setZero_its_over_now

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This commit is contained in:
Gael Guennebaud
2009-09-18 15:36:05 +02:00
parent 6b5f96cb03
commit 0b60027f3c
2 changed files with 37 additions and 49 deletions
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28
bench/sparse_dense_product.cpp
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@@ -91,22 +91,22 @@ int main(int argc, char *argv[])
{
std::cout << "Eigen sparse\t" << sm1.nonZeros()/float(sm1.rows()*sm1.cols())*100 << "%\n";
BENCH(for (int k=0; k<REPEAT; ++k) v2 = sm1 * v1;)
BENCH(asm("#myc"); v2 = sm1 * v1; asm("#myd");)
std::cout << " a * v:\t" << timer.value() << endl;
BENCH(for (int k=0; k<REPEAT; ++k) { asm("#mya"); v2 = sm1.transpose() * v1; asm("#myb"); })
BENCH( { asm("#mya"); v2 = sm1.transpose() * v1; asm("#myb"); })
std::cout << " a' * v:\t" << timer.value() << endl;
}
// {
// DynamicSparseMatrix<Scalar> m1(sm1);
// std::cout << "Eigen dyn-sparse\t" << m1.nonZeros()/float(m1.rows()*m1.cols())*100 << "%\n";
//
//
// BENCH(for (int k=0; k<REPEAT; ++k) v2 = m1 * v1;)
// std::cout << " a * v:\t" << timer.value() << endl;
//
//
// BENCH(for (int k=0; k<REPEAT; ++k) v2 = m1.transpose() * v1;)
// std::cout << " a' * v:\t" << timer.value() << endl;
// }
@@ -118,23 +118,15 @@ int main(int argc, char *argv[])
//GmmDynSparse gmmT3(rows,cols);
GmmSparse m1(rows,cols);
eiToGmm(sm1, m1);
std::vector<Scalar> gmmV1(cols), gmmV2(cols);
Map<Matrix<Scalar,Dynamic,1> >(&gmmV1[0], cols) = v1;
Map<Matrix<Scalar,Dynamic,1> >(&gmmV2[0], cols) = v2;
timer.reset();
timer.start();
for (int k=0; k<REPEAT; ++k)
gmm::mult(m1, gmmV1, gmmV2);
timer.stop();
BENCH( asm("#myx"); gmm::mult(m1, gmmV1, gmmV2); asm("#myy"); )
std::cout << " a * v:\t" << timer.value() << endl;
timer.reset();
timer.start();
for (int k=0; k<REPEAT; ++k)
gmm::mult(gmm::transposed(m1), gmmV1, gmmV2);
timer.stop();
BENCH( gmm::mult(gmm::transposed(m1), gmmV1, gmmV2); )
std::cout << " a' * v:\t" << timer.value() << endl;
}
#endif