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First step of moving turn penalty update to own function

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Patrick Niklaus 2017-03-14 22:54:57 +00:00 committed by Patrick Niklaus
parent acbaecf45d
commit 5ab882759d
1 changed files with 110 additions and 71 deletions
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181
src/updater/updater.cpp
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@ -379,6 +379,78 @@ void saveDatasourcesNames(const UpdaterConfig &config)
extractor::io::write(config.datasource_names_path, sources);
}
using TurnWeightAndDuration = std::tuple<std::vector<TurnPenalty>, std::vector<TurnPenalty>, bool>;
TurnWeightAndDuration
loadAndUpdateTurnPenalties(const UpdaterConfig &config,
const extractor::ProfileProperties &profile_properties,
const TurnLookupTable &turn_penalty_lookup)
{
const auto weight_multiplier = profile_properties.GetWeightMultiplier();
const auto turn_penalties_index_region =
mmapFile(config.turn_penalties_index_path, boost::interprocess::read_only);
std::vector<TurnPenalty> turn_weight_penalties;
std::vector<TurnPenalty> turn_duration_penalties;
const auto load_turn_weight_penalties = [&] {
using storage::io::FileReader;
FileReader file(config.turn_weight_penalties_path, FileReader::HasNoFingerprint);
file.DeserializeVector(turn_weight_penalties);
};
const auto load_turn_duration_penalties = [&] {
using storage::io::FileReader;
FileReader file(config.turn_duration_penalties_path, FileReader::HasNoFingerprint);
file.DeserializeVector(turn_duration_penalties);
};
tbb::parallel_invoke(load_turn_weight_penalties, load_turn_duration_penalties);
bool fallback_to_duration = false;
if (turn_duration_penalties.empty())
{ // Copy-on-write for duration penalties as turn weight penalties
turn_duration_penalties = turn_weight_penalties;
fallback_to_duration = true;
}
// Mapped file pointer for turn indices
const extractor::lookup::TurnIndexBlock *turn_index_blocks =
reinterpret_cast<const extractor::lookup::TurnIndexBlock *>(
turn_penalties_index_region.get_address());
BOOST_ASSERT(is_aligned<extractor::lookup::TurnIndexBlock>(turn_index_blocks));
for (std::uint64_t edge_index = 0; edge_index < turn_weight_penalties.size(); ++edge_index)
{
// Get the turn penalty and update to the new value if required
const auto &turn_index = turn_index_blocks[edge_index];
auto turn_weight_penalty = turn_weight_penalties[edge_index];
auto turn_duration_penalty = turn_duration_penalties[edge_index];
if (auto value = turn_penalty_lookup(turn_index))
{
turn_duration_penalty =
boost::numeric_cast<TurnPenalty>(std::round(value->duration * 10.));
turn_weight_penalty = boost::numeric_cast<TurnPenalty>(std::round(
std::isfinite(value->weight) ? value->weight * weight_multiplier
: turn_duration_penalty * weight_multiplier / 10.));
turn_duration_penalties[edge_index] = turn_duration_penalty;
turn_weight_penalties[edge_index] = turn_weight_penalty;
// Is fallback of duration to weight values allowed
fallback_to_duration &= (turn_duration_penalty == turn_weight_penalty);
}
if (turn_weight_penalty < 0)
{
util::Log(logWARNING) << "Negative turn penalty at " << turn_index.from_id << ", "
<< turn_index.via_id << ", " << turn_index.to_id
<< ": turn penalty " << turn_weight_penalty;
}
}
return std::make_tuple(std::move(turn_weight_penalties), std::move(turn_duration_penalties), fallback_to_duration);
}
}
Updater::NumNodesAndEdges Updater::LoadAndUpdateEdgeExpandedGraph() const
@ -400,7 +472,6 @@ Updater::LoadAndUpdateEdgeExpandedGraph(std::vector<extractor::EdgeBasedEdge> &e
storage::io::FileReader profile_properties_file(config.profile_properties_path,
storage::io::FileReader::HasNoFingerprint);
profile_properties_file.ReadInto<extractor::ProfileProperties>(&profile_properties, 1);
auto weight_multiplier = profile_properties.GetWeightMultiplier();
if (config.segment_speed_lookup_paths.size() + config.turn_penalty_lookup_paths.size() > 255)
throw util::exception("Limit of 255 segment speed and turn penalty files each reached" +
@ -414,14 +485,6 @@ Updater::LoadAndUpdateEdgeExpandedGraph(std::vector<extractor::EdgeBasedEdge> &e
const bool update_edge_weights = !config.segment_speed_lookup_paths.empty();
const bool update_turn_penalties = !config.turn_penalty_lookup_paths.empty();
const auto turn_penalties_index_region = [&] {
if (update_edge_weights || update_turn_penalties)
{
return mmapFile(config.turn_penalties_index_path, boost::interprocess::read_only);
}
return boost::interprocess::mapped_region();
}();
// Set the struct packing to 1 byte word sizes. This prevents any padding. We only use
// this struct once, so any alignment penalty is trivial. If this is *not* done, then
// the struct will be padded out by an extra 4 bytes, and sizeof() will mean we read
@ -462,8 +525,6 @@ Updater::LoadAndUpdateEdgeExpandedGraph(std::vector<extractor::EdgeBasedEdge> &e
edge_based_edge_list.reserve(graph_header.number_of_edges);
util::Log() << "Reading " << graph_header.number_of_edges << " edges from the edge based graph";
auto turn_penalty_lookup = csv::readTurnValues(config.turn_penalty_lookup_paths);
storage::io::FileReader edges_input_file(config.osrm_input_path.string() + ".edges",
storage::io::FileReader::HasNoFingerprint);
std::vector<extractor::OriginalEdgeData> edge_data(edges_input_file.ReadElementCount64());
@ -490,35 +551,35 @@ Updater::LoadAndUpdateEdgeExpandedGraph(std::vector<extractor::EdgeBasedEdge> &e
std::vector<TurnPenalty> turn_weight_penalties;
std::vector<TurnPenalty> turn_duration_penalties;
const auto maybe_load_turn_weight_penalties = [&] {
if (!update_edge_weights && !update_turn_penalties)
return;
using storage::io::FileReader;
FileReader file(config.turn_weight_penalties_path, FileReader::HasNoFingerprint);
file.DeserializeVector(turn_weight_penalties);
};
const auto maybe_load_turn_duration_penalties = [&] {
if (!update_edge_weights && !update_turn_penalties)
return;
using storage::io::FileReader;
FileReader file(config.turn_duration_penalties_path, FileReader::HasNoFingerprint);
file.DeserializeVector(turn_duration_penalties);
};
tbb::parallel_invoke(maybe_load_turn_weight_penalties, maybe_load_turn_duration_penalties);
if ((update_edge_weights || update_turn_penalties) && turn_duration_penalties.empty())
{ // Copy-on-write for duration penalties as turn weight penalties
turn_duration_penalties = turn_weight_penalties;
bool fallback_to_duration = true;
if (update_turn_penalties)
{
auto turn_penalty_lookup = csv::readTurnValues(config.turn_penalty_lookup_paths);
std::tie(turn_weight_penalties, turn_duration_penalties, fallback_to_duration) =
loadAndUpdateTurnPenalties(config, profile_properties, turn_penalty_lookup);
}
else if (update_edge_weights)
{
const auto load_turn_weight_penalties = [&] {
using storage::io::FileReader;
FileReader file(config.turn_weight_penalties_path, FileReader::HasNoFingerprint);
file.DeserializeVector(turn_weight_penalties);
};
// Mapped file pointer for turn indices
const extractor::lookup::TurnIndexBlock *turn_index_blocks =
reinterpret_cast<const extractor::lookup::TurnIndexBlock *>(
turn_penalties_index_region.get_address());
BOOST_ASSERT(is_aligned<extractor::lookup::TurnIndexBlock>(turn_index_blocks));
const auto load_turn_duration_penalties = [&] {
using storage::io::FileReader;
FileReader file(config.turn_duration_penalties_path, FileReader::HasNoFingerprint);
file.DeserializeVector(turn_duration_penalties);
};
tbb::parallel_invoke(load_turn_weight_penalties, load_turn_duration_penalties);
if (turn_duration_penalties.empty())
{ // Copy-on-write for duration penalties as turn weight penalties
turn_duration_penalties = turn_weight_penalties;
fallback_to_duration = true;
}
}
// Mapped file pointers for edge-based graph edges
auto edge_based_edge_ptr = reinterpret_cast<const extractor::EdgeBasedEdge *>(
@ -526,7 +587,6 @@ Updater::LoadAndUpdateEdgeExpandedGraph(std::vector<extractor::EdgeBasedEdge> &e
sizeof(EdgeBasedGraphHeader));
BOOST_ASSERT(is_aligned<extractor::EdgeBasedEdge>(edge_based_edge_ptr));
bool fallback_to_duration = true;
for (std::uint64_t edge_index = 0; edge_index < graph_header.number_of_edges; ++edge_index)
{
// Make a copy of the data from the memory map
@ -605,44 +665,23 @@ Updater::LoadAndUpdateEdgeExpandedGraph(std::vector<extractor::EdgeBasedEdge> &e
continue;
// Get the turn penalty and update to the new value if required
const auto &turn_index = turn_index_blocks[edge_index];
auto turn_weight_penalty = turn_weight_penalties[edge_index];
auto turn_duration_penalty = turn_duration_penalties[edge_index];
if (auto value = turn_penalty_lookup(turn_index))
const auto num_nodes = segment_data.GetForwardGeometry(geometry_id.id).size();
const auto weight_min_value = static_cast<EdgeWeight>(num_nodes);
if (turn_weight_penalty + new_weight < weight_min_value)
{
turn_duration_penalty =
boost::numeric_cast<TurnPenalty>(std::round(value->duration * 10.));
turn_weight_penalty = boost::numeric_cast<TurnPenalty>(
std::round(std::isfinite(value->weight)
? value->weight * weight_multiplier
: turn_duration_penalty * weight_multiplier / 10.));
util::Log(logWARNING) << "turn penalty " << turn_weight_penalty
<< " is too negative: clamping turn weight to "
<< weight_min_value;
const auto num_nodes = segment_data.GetForwardGeometry(geometry_id.id).size();
const auto weight_min_value = static_cast<EdgeWeight>(num_nodes);
if (turn_weight_penalty + new_weight < weight_min_value)
{
util::Log(logWARNING) << "turn penalty " << turn_weight_penalty << " for turn "
<< turn_index.from_id << ", " << turn_index.via_id << ", "
<< turn_index.to_id
<< " is too negative: clamping turn weight to "
<< weight_min_value;
turn_weight_penalty = weight_min_value - new_weight;
}
turn_duration_penalties[edge_index] = turn_duration_penalty;
turn_weight_penalties[edge_index] = turn_weight_penalty;
// Is fallback of duration to weight values allowed
fallback_to_duration &= (turn_duration_penalty == turn_weight_penalty);
turn_weight_penalty = weight_min_value - new_weight;
}
if (turn_weight_penalty < 0)
{
util::Log(logWARNING) << "Negative turn penalty at " << turn_index.from_id << ", "
<< turn_index.via_id << ", " << turn_index.to_id
<< ": turn penalty " << turn_weight_penalty;
}
turn_weight_penalties[edge_index] = turn_weight_penalty;
// Is fallback of duration to weight values allowed
fallback_to_duration &= (turn_duration_penalty == turn_weight_penalty);
// Update edge weight
inbuffer.data.weight = new_weight + turn_weight_penalty;