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Added statistics summary to "qwp"

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This commit is contained in:
Clifford Wolf 2015-09-24 21:22:24 +02:00
parent 3501f8e364
commit b1e9cb332d
1 changed files with 77 additions and 0 deletions
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77
passes/cmds/qwp.cc
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@ -641,8 +641,50 @@ struct QwpWorker
} }
} }
void histogram(const vector<double> &values)
{
if (values.empty()) {
log("no data\n");
return;
}
double min_value = values.front();
double max_value = values.front();
for (auto &v : values) {
min_value = std::min(min_value, v);
max_value = std::max(max_value, v);
}
if (fabs(max_value - min_value) < 0.001) {
log("all values in range %f .. %f\n", min_value, max_value);
return;
}
vector<int> buckets(60);
int max_bucket_val = 0;
for (auto &v : values) {
int idx = std::min(int(GetSize(buckets) * (v - min_value) / (max_value - min_value)), GetSize(buckets)-1);
max_bucket_val = std::max(max_bucket_val, ++buckets.at(idx));
}
for (int i = 4; i >= 0; i--) {
for (int k = 0; k < GetSize(buckets); k++) {
int v = 10 * buckets[k] / max_bucket_val;
if (v >= 2*i+1)
log(v == 2*i+1 ? "." : ":");
else
log(i == 0 ? (buckets[k] > 0 ? "," : "_") : " ");
}
log("\n");
}
log("%-30f%30f\n", min_value, max_value);
}
void run() void run()
{ {
log("\n");
log("Running qwp on module %s..\n", log_id(module)); log("Running qwp on module %s..\n", log_id(module));
if (config.dump_file.is_open()) if (config.dump_file.is_open())
@ -659,6 +701,41 @@ struct QwpWorker
for (auto &node : nodes) for (auto &node : nodes)
if (node.cell != nullptr) if (node.cell != nullptr)
node.cell->attributes["\\qwp_position"] = stringf("%f %f", node.pos, node.alt_pos); node.cell->attributes["\\qwp_position"] = stringf("%f %f", node.pos, node.alt_pos);
vector<double> edge_lengths;
vector<double> weighted_edge_lengths;
double total_edge_length = 0;
double total_weighted_edge_length = 0;
for (auto &edge : edges)
{
auto &node1 = nodes[edge.first.first];
auto &node2 = nodes[edge.first.second];
double distance = sqrt(pow(node1.pos - node2.pos, 2) + pow(node1.alt_pos - node2.alt_pos, 2));
double weighted_distance = distance * edge.second;
edge_lengths.push_back(distance);
weighted_edge_lengths.push_back(weighted_distance);
total_edge_length += distance;
total_weighted_edge_length += weighted_distance;
}
log("\n");
log("Summary for module %s:\n", log_id(module));
log("Number of edges: %d\n", GetSize(edges));
log("Total edge length: %f\n", total_edge_length);
log("Total weighted edge length: %f\n", total_weighted_edge_length);
log("\n");
log("Histogram over edge lengths:\n");
histogram(edge_lengths);
log("\n");
log("Histogram over weighted edge lengths:\n");
histogram(weighted_edge_lengths);
} }
}; };