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klayout
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WIP: performance improvement, maximum confinement of interactions by local search area.

This commit is contained in:
Matthias Koefferlein 2019-01-04 01:22:24 +01:00
parent 3fd99407a3
commit 72f838f8ee
1 changed files with 25 additions and 19 deletions
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44
src/db/db/dbHierNetworkProcessor.cc
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@ -882,7 +882,7 @@ public:
{
std::vector<db::InstElement> p;
db::ICplxTrans t;
add_pair (*i1, p, t, *i2, p, t);
add_pair (box_type::world (), *i1, p, t, *i2, p, t);
}
/**
@ -955,7 +955,7 @@ private:
* @param p2 The instantiation path to the child cell (not including i2)
* @param t2 The accumulated transformation of the path, not including i2
*/
void add_pair (const db::Instance &i1, const std::vector<db::InstElement> &p1, const db::ICplxTrans &t1, const db::Instance &i2, const std::vector<db::InstElement> &p2, const db::ICplxTrans &t2)
void add_pair (const box_type &common, const db::Instance &i1, const std::vector<db::InstElement> &p1, const db::ICplxTrans &t1, const db::Instance &i2, const std::vector<db::InstElement> &p2, const db::ICplxTrans &t2)
{
box_type bb1 = (*mp_cbc) (i1.cell_index ());
box_type b1 = i1.cell_inst ().bbox (*mp_cbc).transformed (t1);
@ -963,16 +963,16 @@ private:
box_type bb2 = (*mp_cbc) (i2.cell_index ());
box_type b2 = i2.cell_inst ().bbox (*mp_cbc).transformed (t2);
if (! b1.touches (b2)) {
box_type common_all = common & b1 & b2;
if (common_all.empty ()) {
return;
}
db::ICplxTrans t1i = t1.inverted ();
db::ICplxTrans t2i = t2.inverted ();
box_type common = b1 & b2;
for (db::CellInstArray::iterator ii1 = i1.begin_touching (common.transformed (t1i), mp_layout); ! ii1.at_end (); ++ii1) {
for (db::CellInstArray::iterator ii1 = i1.begin_touching (common_all.transformed (t1i), mp_layout); ! ii1.at_end (); ++ii1) {
db::ICplxTrans tt1 = t1 * i1.complex_trans (*ii1);
box_type ib1 = bb1.transformed (tt1);
@ -987,29 +987,37 @@ private:
db::ICplxTrans tt2 = t2 * i2.complex_trans (*ii2);
box_type ib2 = bb2.transformed (tt2);
if (ib1.touches (ib2)) {
box_type common12 = ib1 & ib2 & common;
if (! common12.empty ()) {
std::vector<db::InstElement> pp2;
pp2.reserve (p2.size () + 1);
pp2.insert (pp2.end (), p2.begin (), p2.end ());
pp2.push_back (db::InstElement (i2, ii2));
add_single_pair (common, i1.cell_index (), pp1, tt1, i2.cell_index (), pp2, tt2);
add_single_pair (common12, i1.cell_index (), pp1, tt1, i2.cell_index (), pp2, tt2);
// dive into cell of ii2
const db::Cell &cell2 = mp_layout->cell (i2.cell_index ());
for (db::Cell::touching_iterator jj2 = cell2.begin_touching (common.transformed (tt2.inverted ())); ! jj2.at_end (); ++jj2) {
add_pair (i1, p1, t1, *jj2, pp2, tt2);
for (db::Cell::touching_iterator jj2 = cell2.begin_touching (common12.transformed (tt2.inverted ())); ! jj2.at_end (); ++jj2) {
add_pair (common12, i1, p1, t1, *jj2, pp2, tt2);
}
}
}
// dive into cell of ii1
const db::Cell &cell1 = mp_layout->cell (i1.cell_index ());
for (db::Cell::touching_iterator jj1 = cell1.begin_touching (common.transformed (tt1.inverted ())); ! jj1.at_end (); ++jj1) {
add_pair (*jj1, pp1, tt1, i2, p2, t2);
box_type common1 = ib1 & b2 & common;
if (! common1.empty ()) {
// dive into cell of ii1
const db::Cell &cell1 = mp_layout->cell (i1.cell_index ());
for (db::Cell::touching_iterator jj1 = cell1.begin_touching (common1.transformed (tt1.inverted ())); ! jj1.at_end (); ++jj1) {
add_pair (common1, *jj1, pp1, tt1, i2, p2, t2);
}
}
}
@ -1129,7 +1137,7 @@ private:
for (db::Cell::touching_iterator jj2 = cell.begin_touching (common.transformed (tt2.inverted ())); ! jj2.at_end (); ++jj2) {
std::vector<db::InstElement> p;
db::ICplxTrans t;
add_pair (i, p, t, *jj2, pp2, tt2);
add_pair (common, i, p, t, *jj2, pp2, tt2);
}
}
@ -1171,14 +1179,12 @@ private:
return;
}
box_type common = b1 & b2;
std::vector<db::InstElement> pp2;
pp2.reserve (p2.size () + 1);
pp2.insert (pp2.end (), p2.begin (), p2.end ());
pp2.push_back (db::InstElement ());
for (db::CellInstArray::iterator ii2 = i2.begin_touching (common.transformed (t2.inverted ()), mp_layout); ! ii2.at_end (); ++ii2) {
for (db::CellInstArray::iterator ii2 = i2.begin_touching ((b1 & b2).transformed (t2.inverted ()), mp_layout); ! ii2.at_end (); ++ii2) {
db::ICplxTrans tt2 = t2 * i2.complex_trans (*ii2);
box_type ib2 = bb2.transformed (tt2);
@ -1189,7 +1195,7 @@ private:
add_single_pair (c1, i2.cell_index (), pp2, tt2);
// dive into cell of ii2
for (db::Cell::touching_iterator jj2 = cell2.begin_touching (common.transformed (tt2.inverted ())); ! jj2.at_end (); ++jj2) {
for (db::Cell::touching_iterator jj2 = cell2.begin_touching ((b1 & ib2).transformed (tt2.inverted ())); ! jj2.at_end (); ++jj2) {
add_pair (c1, *jj2, pp2, tt2);
}