devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

renamed inverseProduct => solveTriangular

Browse Source
This commit is contained in:
Gael Guennebaud
2008-08-09 20:06:25 +00:00
parent d6e88f8155
commit b13148c358
16 changed files with 90 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
bench/benchVecAdd.cpp
View File

@@ -22,7 +22,7 @@ int main(int argc, char* argv[])
int size = SIZE * 8;
int size2 = size * size;
Scalar* a = ei_aligned_malloc<Scalar>(size2);
Scalar* b = ei_aligned_malloc<Scalar>(size2);
Scalar* b = ei_aligned_malloc<Scalar>(size2+4)+1;
Scalar* c = ei_aligned_malloc<Scalar>(size2);
for (int i=0; i<size; ++i)
@@ -33,22 +33,22 @@ int main(int argc, char* argv[])
BenchTimer timer;
timer.reset();
for (int k=0; k<3; ++k)
for (int k=0; k<10; ++k)
{
timer.start();
benchVec(a, b, c, size2);
timer.stop();
}
std::cout << timer.value() << "s " << (double(size2*REPEAT)/timer.value())/(1024.*1024.*1024.) << " GFlops\n";
return 0;
for (int innersize = size; innersize>2 ; --innersize)
{
if (size2%innersize==0)
{
int outersize = size2/innersize;
MatrixXf ma = MatrixXf::map(a, innersize, outersize );
MatrixXf mb = MatrixXf::map(b, innersize, outersize );
MatrixXf mc = MatrixXf::map(c, innersize, outersize );
MatrixXf ma = Map<MatrixXf>(a, innersize, outersize );
MatrixXf mb = Map<MatrixXf>(b, innersize, outersize );
MatrixXf mc = Map<MatrixXf>(c, innersize, outersize );
timer.reset();
for (int k=0; k<3; ++k)
{
@@ -60,9 +60,9 @@ int main(int argc, char* argv[])
}
}
VectorXf va = VectorXf::map(a, size2);
VectorXf vb = VectorXf::map(b, size2);
VectorXf vc = VectorXf::map(c, size2);
VectorXf va = Map<VectorXf>(a, size2);
VectorXf vb = Map<VectorXf>(b, size2);
VectorXf vc = Map<VectorXf>(c, size2);
timer.reset();
for (int k=0; k<3; ++k)
{
@@ -95,40 +95,40 @@ void benchVec(Scalar* a, Scalar* b, Scalar* c, int size)
for (int k=0; k<REPEAT; ++k)
for (int i=0; i<size; i+=PacketSize*8)
{
a0 = ei_pload(&a[i]);
b0 = ei_pload(&b[i]);
a1 = ei_pload(&a[i+1*PacketSize]);
b1 = ei_pload(&b[i+1*PacketSize]);
a2 = ei_pload(&a[i+2*PacketSize]);
b2 = ei_pload(&b[i+2*PacketSize]);
a3 = ei_pload(&a[i+3*PacketSize]);
b3 = ei_pload(&b[i+3*PacketSize]);
ei_pstore(&a[i], ei_padd(a0, b0));
a0 = ei_pload(&a[i+4*PacketSize]);
b0 = ei_pload(&b[i+4*PacketSize]);
// a0 = ei_pload(&a[i]);
// b0 = ei_pload(&b[i]);
// a1 = ei_pload(&a[i+1*PacketSize]);
// b1 = ei_pload(&b[i+1*PacketSize]);
// a2 = ei_pload(&a[i+2*PacketSize]);
// b2 = ei_pload(&b[i+2*PacketSize]);
// a3 = ei_pload(&a[i+3*PacketSize]);
// b3 = ei_pload(&b[i+3*PacketSize]);
// ei_pstore(&a[i], ei_padd(a0, b0));
// a0 = ei_pload(&a[i+4*PacketSize]);
// b0 = ei_pload(&b[i+4*PacketSize]);
//
// ei_pstore(&a[i+1*PacketSize], ei_padd(a1, b1));
// a1 = ei_pload(&a[i+5*PacketSize]);
// b1 = ei_pload(&b[i+5*PacketSize]);
//
// ei_pstore(&a[i+2*PacketSize], ei_padd(a2, b2));
// a2 = ei_pload(&a[i+6*PacketSize]);
// b2 = ei_pload(&b[i+6*PacketSize]);
//
// ei_pstore(&a[i+3*PacketSize], ei_padd(a3, b3));
// a3 = ei_pload(&a[i+7*PacketSize]);
// b3 = ei_pload(&b[i+7*PacketSize]);
//
// ei_pstore(&a[i+4*PacketSize], ei_padd(a0, b0));
// ei_pstore(&a[i+5*PacketSize], ei_padd(a1, b1));
// ei_pstore(&a[i+6*PacketSize], ei_padd(a2, b2));
// ei_pstore(&a[i+7*PacketSize], ei_padd(a3, b3));
ei_pstore(&a[i+1*PacketSize], ei_padd(a1, b1));
a1 = ei_pload(&a[i+5*PacketSize]);
b1 = ei_pload(&b[i+5*PacketSize]);
ei_pstore(&a[i+2*PacketSize], ei_padd(a2, b2));
a2 = ei_pload(&a[i+6*PacketSize]);
b2 = ei_pload(&b[i+6*PacketSize]);
ei_pstore(&a[i+3*PacketSize], ei_padd(a3, b3));
a3 = ei_pload(&a[i+7*PacketSize]);
b3 = ei_pload(&b[i+7*PacketSize]);
ei_pstore(&a[i+4*PacketSize], ei_padd(a0, b0));
ei_pstore(&a[i+5*PacketSize], ei_padd(a1, b1));
ei_pstore(&a[i+6*PacketSize], ei_padd(a2, b2));
ei_pstore(&a[i+7*PacketSize], ei_padd(a3, b3));
// ei_pstore(&a[i+2*PacketSize], ei_padd(ei_pload(&a[i+2*PacketSize]), ei_pload(&b[i+2*PacketSize])));
// ei_pstore(&a[i+3*PacketSize], ei_padd(ei_pload(&a[i+3*PacketSize]), ei_pload(&b[i+3*PacketSize])));
// ei_pstore(&a[i+4*PacketSize], ei_padd(ei_pload(&a[i+4*PacketSize]), ei_pload(&b[i+4*PacketSize])));
// ei_pstore(&a[i+5*PacketSize], ei_padd(ei_pload(&a[i+5*PacketSize]), ei_pload(&b[i+5*PacketSize])));
// ei_pstore(&a[i+6*PacketSize], ei_padd(ei_pload(&a[i+6*PacketSize]), ei_pload(&b[i+6*PacketSize])));
// ei_pstore(&a[i+7*PacketSize], ei_padd(ei_pload(&a[i+7*PacketSize]), ei_pload(&b[i+7*PacketSize])));
ei_pstore(&a[i+2*PacketSize], ei_padd(ei_ploadu(&a[i+2*PacketSize]), ei_ploadu(&b[i+2*PacketSize])));
ei_pstore(&a[i+3*PacketSize], ei_padd(ei_ploadu(&a[i+3*PacketSize]), ei_ploadu(&b[i+3*PacketSize])));
ei_pstore(&a[i+4*PacketSize], ei_padd(ei_ploadu(&a[i+4*PacketSize]), ei_ploadu(&b[i+4*PacketSize])));
ei_pstore(&a[i+5*PacketSize], ei_padd(ei_ploadu(&a[i+5*PacketSize]), ei_ploadu(&b[i+5*PacketSize])));
ei_pstore(&a[i+6*PacketSize], ei_padd(ei_ploadu(&a[i+6*PacketSize]), ei_ploadu(&b[i+6*PacketSize])));
ei_pstore(&a[i+7*PacketSize], ei_padd(ei_ploadu(&a[i+7*PacketSize]), ei_ploadu(&b[i+7*PacketSize])));
}
}