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All fine, time to optimize.

This commit is contained in:
davi 2010-11-09 03:51:33 -02:00
parent bb2e9e28a8
commit 62ac3f4bde
4 changed files with 27 additions and 28 deletions
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2
cxxmph/cmph_hash_map_test.cc
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@ -11,7 +11,7 @@ using cxxmph::cmph_hash_map;
int main(int argc, char** argv) {
cmph_hash_map<int64_t, int64_t> b;
for (int i = 0; i < 2*500; ++i) {
for (int i = 0; i < 2*1000*1000; ++i) {
b.insert(make_pair(i, i));
}
/*

45
cxxmph/mphtable.cc
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@ -60,16 +60,18 @@ bool MPHTable::GenerateQueue(
}
}
}
/*
for (unsigned int i = 0; i < marked_edge.size(); ++i) {
cerr << "vertex with degree " << static_cast<cmph_uint32>(graph->vertex_degree()[i]) << " marked " << marked_edge[i] << endl;
}
for (unsigned int i = 0; i < queue.size(); ++i) {
cerr << "vertex " << i << " queued at " << queue[i] << endl;
}
*/
// At this point queue head is the number of edges touching at least one
// vertex of degree 1.
cerr << "Queue head " << queue_head << " Queue tail " << queue_tail << endl;
graph->DebugGraph();
// cerr << "Queue head " << queue_head << " Queue tail " << queue_tail << endl;
// graph->DebugGraph();
while (queue_tail != queue_head) {
cmph_uint32 current_edge = queue[queue_tail++];
graph->RemoveEdge(current_edge);
@ -85,9 +87,11 @@ bool MPHTable::GenerateQueue(
}
}
}
/*
for (unsigned int i = 0; i < queue.size(); ++i) {
cerr << "vertex " << i << " queued at " << queue[i] << endl;
}
*/
int cycles = queue_head - nedges;
if (cycles == 0) queue.swap(*queue_output);
return cycles == 0;
@ -100,17 +104,15 @@ void MPHTable::Assigning(
// Initialize vector of half nibbles with all bits set.
cmph_uint32 sizeg = static_cast<cmph_uint32>(ceil(n_/4.0));
vector<cmph_uint8>(sizeg, std::numeric_limits<cmph_uint8>::max()).swap(g_);
assert(get_2bit_value(g_, 291) == kUnassigned);
cmph_uint32 nedges = m_; // for legibility
for (int i = nedges - 1; i + 1 >= 1; --i) {
current_edge = queue[i];
if (current_edge == 157) cerr << "Edge 157" << endl;
const TriGraph::Edge& e = edges[current_edge];
cerr << "B: " << e[0] << " " << e[1] << " " << e[2] << " -> "
<< get_2bit_value(g_, e[0]) << " "
<< get_2bit_value(g_, e[1]) << " "
<< get_2bit_value(g_, e[2]) << " edge " << current_edge << endl;
// cerr << "B: " << e[0] << " " << e[1] << " " << e[2] << " -> "
// << get_2bit_value(g_, e[0]) << " "
// << get_2bit_value(g_, e[1]) << " "
// << get_2bit_value(g_, e[2]) << " edge " << current_edge << endl;
if (!marked_vertices[e[0]]) {
if (!marked_vertices[e[1]]) {
set_2bit_value(&g_, e[1], kUnassigned);
@ -122,7 +124,6 @@ void MPHTable::Assigning(
marked_vertices[e[2]] = true;
}
set_2bit_value(&g_, e[0], (6 - (get_2bit_value(g_, e[1]) + get_2bit_value(g_, e[2]))) % 3);
if (e[0] == 291) cerr << "Vertex 291 " << get_2bit_value(g_, 291) << " updated at case 1" << endl;
marked_vertices[e[0]] = true;
} else if (!marked_vertices[e[1]]) {
if (!marked_vertices[e[2]]) {
@ -130,17 +131,15 @@ void MPHTable::Assigning(
marked_vertices[e[2]] = true;
}
set_2bit_value(&g_, e[1], (7 - (get_2bit_value(g_, e[0]) + get_2bit_value(g_, e[2]))) % 3);
if (e[1] == 291) cerr << "Vertex 291 " << get_2bit_value(g_, 291) << " updated at case 2" << endl;
marked_vertices[e[1]] = true;
} else {
set_2bit_value(&g_, e[2], (8 - (get_2bit_value(g_, e[0]) + get_2bit_value(g_, e[1]))) % 3);
if (e[2] == 291) cerr << "Vertex 291 " << get_2bit_value(g_, 291) << " updated at case 3" << endl;
marked_vertices[e[2]] = true;
}
cerr << "A: " << e[0] << " " << e[1] << " " << e[2] << " -> "
<< get_2bit_value(g_, e[0]) << " "
<< get_2bit_value(g_, e[1]) << " "
<< get_2bit_value(g_, e[2]) << " " << endl;
// cerr << "A: " << e[0] << " " << e[1] << " " << e[2] << " -> "
// << get_2bit_value(g_, e[0]) << " "
// << get_2bit_value(g_, e[1]) << " "
// << get_2bit_value(g_, e[2]) << " " << endl;
}
}
@ -174,19 +173,19 @@ cmph_uint32 MPHTable::Rank(cmph_uint32 vertex) const {
cmph_uint32 end_idx_b = vertex >> 2;
while (beg_idx_b < end_idx_b) base_rank += kBdzLookupTable[g_[beg_idx_b++]];
beg_idx_v = beg_idx_b << 2;
cerr << "beg_idx_v: " << beg_idx_v << endl;
cerr << "base rank: " << base_rank << endl;
// cerr << "beg_idx_v: " << beg_idx_v << endl;
// cerr << "base rank: " << base_rank << endl;
cerr << "G: ";
for (unsigned int i = 0; i < n_; ++i) {
cerr << get_2bit_value(g_, i) << " ";
}
cerr << endl;
//cerr << "G: ";
// for (unsigned int i = 0; i < n_; ++i) {
// cerr << get_2bit_value(g_, i) << " ";
//}
// cerr << endl;
while (beg_idx_v < vertex) {
if (get_2bit_value(g_, beg_idx_v) != kUnassigned) ++base_rank;
++beg_idx_v;
}
cerr << "Base rank: " << base_rank << endl;
// cerr << "Base rank: " << base_rank << endl;
return base_rank;
}

6
cxxmph/mphtable.h
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@ -114,7 +114,7 @@ bool MPHTable::Mapping(
cmph_uint32 v0 = h[0] % r_;
cmph_uint32 v1 = h[1] % r_ + r_;
cmph_uint32 v2 = h[2] % r_ + (r_ << 1);
cerr << "Key: " << *it << " edge " << it - begin << " (" << v0 << "," << v1 << "," << v2 << ")" << endl;
// cerr << "Key: " << *it << " edge " << it - begin << " (" << v0 << "," << v1 << "," << v2 << ")" << endl;
graph.AddEdge(TriGraph::Edge(v0, v1, v2));
}
if (GenerateQueue(&graph, queue)) {
@ -132,12 +132,12 @@ cmph_uint32 MPHTable::index(const Key& key) const {
h[1] = h[1] % r_ + r_;
h[2] = h[2] % r_ + (r_ << 1);
assert(g_.size());
cerr << "g_.size() " << g_.size() << " h0 >> 2 " << (h[0] >> 2) << endl;
//cerr << "g_.size() " << g_.size() << " h0 >> 2 " << (h[0] >> 2) << endl;
assert((h[0] >> 2) <g_.size());
assert((h[1] >> 2) <g_.size());
assert((h[2] >> 2) <g_.size());
cmph_uint32 vertex = h[(get_2bit_value(g_, h[0]) + get_2bit_value(g_, h[1]) + get_2bit_value(g_, h[2])) % 3];
cerr << "Search found vertex " << vertex << endl;
// cerr << "Search found vertex " << vertex << endl;
return Rank(vertex);
}

2
cxxmph/trigraph.cc
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@ -46,7 +46,7 @@ void TriGraph::AddEdge(const Edge& edge) {
}
void TriGraph::RemoveEdge(cmph_uint32 current_edge) {
cerr << "Removing edge " << current_edge << " from " << nedges_ << " existing edges " << endl;
// cerr << "Removing edge " << current_edge << " from " << nedges_ << " existing edges " << endl;
for (int i = 0; i < 3; ++i) {
cmph_uint32 vertex = edges_[current_edge][i];
cmph_uint32 edge1 = first_edge_[vertex];