Make PackedVector generic

This commit is contained in:
Patrick Niklaus 2017-04-10 20:15:25 +00:00 committed by Patrick Niklaus
parent e85c4f87e9
commit a66918a303
12 changed files with 64 additions and 65 deletions

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@ -16,6 +16,7 @@
#include "extractor/profile_properties.hpp"
#include "extractor/segment_data_container.hpp"
#include "extractor/turn_data_container.hpp"
#include "extractor/packed_osm_ids.hpp"
#include "contractor/query_graph.hpp"
@ -214,7 +215,7 @@ class ContiguousInternalMemoryDataFacadeBase : public BaseDataFacade
unsigned m_check_sum;
util::vector_view<util::Coordinate> m_coordinate_list;
util::PackedVectorView<OSMNodeID> m_osmnodeid_list;
extractor::PackedOSMIDsView m_osmnodeid_list;
util::NameTable m_names_table;
util::vector_view<std::uint32_t> m_lane_description_offsets;
util::vector_view<extractor::guidance::TurnLaneType::Mask> m_lane_description_masks;

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@ -15,6 +15,7 @@
#include "extractor/profile_properties.hpp"
#include "extractor/query_node.hpp"
#include "extractor/restriction_map.hpp"
#include "extractor/packed_osm_ids.hpp"
#include "util/deallocating_vector.hpp"
#include "util/guidance/bearing_class.hpp"
@ -74,7 +75,7 @@ class EdgeBasedGraphFactory
const std::unordered_set<NodeID> &traffic_lights,
std::shared_ptr<const RestrictionMap> restriction_map,
const std::vector<util::Coordinate> &coordinates,
const util::PackedVector<OSMNodeID> &osm_node_ids,
const extractor::PackedOSMIDs &osm_node_ids,
ProfileProperties profile_properties,
const util::NameTable &name_table,
std::vector<std::uint32_t> &turn_lane_offsets,
@ -131,7 +132,7 @@ class EdgeBasedGraphFactory
EdgeID m_max_edge_id;
const std::vector<util::Coordinate> &m_coordinates;
const util::PackedVector<OSMNodeID> &m_osm_node_ids;
const extractor::PackedOSMIDs &m_osm_node_ids;
std::shared_ptr<util::NodeBasedDynamicGraph> m_node_based_graph;
std::shared_ptr<RestrictionMap const> m_restriction_map;

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@ -59,7 +59,7 @@ class Extractor
std::pair<std::size_t, EdgeID>
BuildEdgeExpandedGraph(ScriptingEnvironment &scripting_environment,
std::vector<util::Coordinate> &coordinates,
util::PackedVector<OSMNodeID> &osm_node_ids,
extractor::PackedOSMIDs &osm_node_ids,
std::vector<EdgeBasedNode> &node_based_edge_list,
std::vector<bool> &node_is_startpoint,
std::vector<EdgeWeight> &edge_based_node_weights,
@ -78,7 +78,7 @@ class Extractor
LoadNodeBasedGraph(std::unordered_set<NodeID> &barrier_nodes,
std::unordered_set<NodeID> &traffic_lights,
std::vector<util::Coordinate> &coordinates,
util::PackedVector<OSMNodeID> &osm_node_ids);
extractor::PackedOSMIDs &osm_node_ids);
void WriteEdgeBasedGraph(const std::string &output_file_filename,
const EdgeID max_edge_id,

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@ -5,6 +5,7 @@
#include "extractor/node_based_edge.hpp"
#include "extractor/query_node.hpp"
#include "extractor/restriction.hpp"
#include "extractor/packed_osm_ids.hpp"
#include "storage/io.hpp"
#include "util/exception.hpp"
#include "util/fingerprint.hpp"
@ -59,7 +60,7 @@ NodeID loadNodesFromFile(storage::io::FileReader &file_reader,
BarrierOutIter barriers,
TrafficSignalsOutIter traffic_signals,
std::vector<util::Coordinate> &coordinates,
util::PackedVector<OSMNodeID> &osm_node_ids)
extractor::PackedOSMIDs &osm_node_ids)
{
auto number_of_nodes = file_reader.ReadElementCount64();
Log() << "Importing number_of_nodes new = " << number_of_nodes << " nodes ";

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@ -16,33 +16,28 @@ namespace util
{
namespace detail
{
template <typename T, storage::Ownership Ownership> class PackedVector;
template <typename T, std::size_t Bits, storage::Ownership Ownership> class PackedVector;
}
namespace serialization
{
template <typename T, storage::Ownership Ownership>
inline void read(storage::io::FileReader &reader, detail::PackedVector<T, Ownership> &vec);
template <typename T, std::size_t Bits, storage::Ownership Ownership>
inline void read(storage::io::FileReader &reader, detail::PackedVector<T, Bits, Ownership> &vec);
template <typename T, storage::Ownership Ownership>
inline void write(storage::io::FileWriter &writer, const detail::PackedVector<T, Ownership> &vec);
template <typename T, std::size_t Bits, storage::Ownership Ownership>
inline void write(storage::io::FileWriter &writer,
const detail::PackedVector<T, Bits, Ownership> &vec);
}
namespace detail
{
/**
* Since OSM node IDs are (at the time of writing) not quite yet overflowing 32 bits, and
* will predictably be containable within 33 bits for a long time, the following packs
* 64-bit OSM IDs as 33-bit numbers within a 64-bit vector.
*
* NOTE: this type is templated for future use, but will require a slight refactor to
* configure BITSIZE and ELEMSIZE
*/
template <typename T, storage::Ownership Ownership> class PackedVector
template <typename T, std::size_t Bits, storage::Ownership Ownership> class PackedVector
{
static const constexpr std::size_t BITSIZE = 33;
static const constexpr std::size_t ELEMSIZE = 64;
static const constexpr std::size_t PACKSIZE = BITSIZE * ELEMSIZE;
static_assert(sizeof(T) <= sizeof(std::uint64_t), "Maximum size of type T is 8 bytes");
static_assert(Bits <= sizeof(std::uint64_t)*CHAR_BIT, "Maximum number of bits it 64.");
static const constexpr std::size_t ELEMSIZE = sizeof(std::uint64_t)*CHAR_BIT;
static const constexpr std::size_t PACKSIZE = Bits * ELEMSIZE;
public:
using value_type = T;
@ -54,31 +49,31 @@ template <typename T, storage::Ownership Ownership> class PackedVector
*/
inline static std::size_t elements_to_blocks(std::size_t elements)
{
return std::ceil(static_cast<double>(elements) * BITSIZE / ELEMSIZE);
return std::ceil(static_cast<double>(elements) * Bits / ELEMSIZE);
}
void push_back(T incoming_node_id)
void push_back(T data)
{
std::uint64_t node_id = static_cast<std::uint64_t>(incoming_node_id);
std::uint64_t node_id = static_cast<std::uint64_t>(data);
// mask incoming values, just in case they are > bitsize
const std::uint64_t incoming_mask = static_cast<std::uint64_t>(pow(2, BITSIZE)) - 1;
const std::uint64_t incoming_mask = static_cast<std::uint64_t>(pow(2, Bits)) - 1;
node_id = node_id & incoming_mask;
const std::size_t available = (PACKSIZE - BITSIZE * num_elements) % ELEMSIZE;
const std::size_t available = (PACKSIZE - Bits * num_elements) % ELEMSIZE;
if (available == 0)
{
// insert ID at the left side of this element
std::uint64_t at_left = node_id << (ELEMSIZE - BITSIZE);
std::uint64_t at_left = node_id << (ELEMSIZE - Bits);
add_last_elem(at_left);
}
else if (available >= BITSIZE)
else if (available >= Bits)
{
// insert ID somewhere in the middle of this element; ID can be contained
// entirely within one element
const std::uint64_t shifted = node_id << (available - BITSIZE);
const std::uint64_t shifted = node_id << (available - Bits);
replace_last_elem(vec_back() | shifted);
}
@ -86,9 +81,9 @@ template <typename T, storage::Ownership Ownership> class PackedVector
{
// ID will be split between the end of this element and the beginning
// of the next element
const std::uint64_t left = node_id >> (BITSIZE - available);
const std::uint64_t left = node_id >> (Bits - available);
std::uint64_t right = node_id << (ELEMSIZE - (BITSIZE - available));
std::uint64_t right = node_id << (ELEMSIZE - (Bits - available));
replace_last_elem(vec_back() | left);
add_last_elem(right);
@ -105,11 +100,11 @@ template <typename T, storage::Ownership Ownership> class PackedVector
const std::size_t pack_group = trunc(a_index / ELEMSIZE);
const std::size_t pack_index = (a_index + ELEMSIZE) % ELEMSIZE;
const std::size_t left_index = (PACKSIZE - BITSIZE * pack_index) % ELEMSIZE;
const std::size_t left_index = (PACKSIZE - Bits * pack_index) % ELEMSIZE;
const bool back_half = pack_index >= BITSIZE;
const std::size_t index = pack_group * BITSIZE + trunc(pack_index / BITSIZE) +
trunc((pack_index - back_half) / 2);
const bool back_half = pack_index >= Bits;
const std::size_t index =
pack_group * Bits + trunc(pack_index / Bits) + trunc((pack_index - back_half) / 2);
BOOST_ASSERT(index < vec.size());
const std::uint64_t elem = static_cast<std::uint64_t>(vec.at(index));
@ -117,25 +112,25 @@ template <typename T, storage::Ownership Ownership> class PackedVector
if (left_index == 0)
{
// ID is at the far left side of this element
return T{elem >> (ELEMSIZE - BITSIZE)};
return T{elem >> (ELEMSIZE - Bits)};
}
else if (left_index >= BITSIZE)
else if (left_index >= Bits)
{
// ID is entirely contained within this element
const std::uint64_t at_right = elem >> (left_index - BITSIZE);
const std::uint64_t left_mask = static_cast<std::uint64_t>(pow(2, BITSIZE)) - 1;
const std::uint64_t at_right = elem >> (left_index - Bits);
const std::uint64_t left_mask = static_cast<std::uint64_t>(pow(2, Bits)) - 1;
return T{at_right & left_mask};
}
else
{
// ID is split between this and the next element
const std::uint64_t left_mask = static_cast<std::uint64_t>(pow(2, left_index)) - 1;
const std::uint64_t left_side = (elem & left_mask) << (BITSIZE - left_index);
const std::uint64_t left_side = (elem & left_mask) << (Bits - left_index);
BOOST_ASSERT(index < vec.size() - 1);
const std::uint64_t next_elem = static_cast<std::uint64_t>(vec.at(index + 1));
const std::uint64_t right_side = next_elem >> (ELEMSIZE - (BITSIZE - left_index));
const std::uint64_t right_side = next_elem >> (ELEMSIZE - (Bits - left_index));
return T{left_side | right_side};
}
}
@ -163,14 +158,14 @@ template <typename T, storage::Ownership Ownership> class PackedVector
std::size_t capacity() const
{
return std::floor(static_cast<double>(vec.capacity()) * ELEMSIZE / BITSIZE);
return std::floor(static_cast<double>(vec.capacity()) * ELEMSIZE / Bits);
}
friend void serialization::read<T, Ownership>(storage::io::FileReader &reader,
detail::PackedVector<T, Ownership> &vec);
friend void serialization::read<T, Bits, Ownership>(storage::io::FileReader &reader,
PackedVector &vec);
friend void serialization::write<T, Ownership>(storage::io::FileWriter &writer,
const detail::PackedVector<T, Ownership> &vec);
friend void serialization::write<T, Bits, Ownership>(storage::io::FileWriter &writer,
const PackedVector &vec);
private:
util::ViewOrVector<std::uint64_t, Ownership> vec;
@ -218,8 +213,8 @@ template <typename T, storage::Ownership Ownership> class PackedVector
};
}
template <typename T> using PackedVector = detail::PackedVector<T, storage::Ownership::Container>;
template <typename T> using PackedVectorView = detail::PackedVector<T, storage::Ownership::View>;
template <typename T, std::size_t Bits> using PackedVector = detail::PackedVector<T, Bits, storage::Ownership::Container>;
template <typename T, std::size_t Bits> using PackedVectorView = detail::PackedVector<T, Bits, storage::Ownership::View>;
}
}

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@ -14,15 +14,15 @@ namespace util
{
namespace serialization
{
template <typename T, storage::Ownership Ownership>
inline void read(storage::io::FileReader &reader, detail::PackedVector<T, Ownership> &vec)
template <typename T, std::size_t Bits, storage::Ownership Ownership>
inline void read(storage::io::FileReader &reader, detail::PackedVector<T, Bits, Ownership> &vec)
{
vec.num_elements = reader.ReadOne<std::uint64_t>();
storage::serialization::read(reader, vec.vec);
}
template <typename T, storage::Ownership Ownership>
inline void write(storage::io::FileWriter &writer, const detail::PackedVector<T, Ownership> &vec)
template <typename T, std::size_t Bits, storage::Ownership Ownership>
inline void write(storage::io::FileWriter &writer, const detail::PackedVector<T, Bits, Ownership> &vec)
{
writer.WriteOne(vec.num_elements);
storage::serialization::write(writer, vec.vec);

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@ -42,7 +42,7 @@ EdgeBasedGraphFactory::EdgeBasedGraphFactory(
const std::unordered_set<NodeID> &traffic_lights,
std::shared_ptr<const RestrictionMap> restriction_map,
const std::vector<util::Coordinate> &coordinates,
const util::PackedVector<OSMNodeID> &osm_node_ids,
const extractor::PackedOSMIDs &osm_node_ids,
ProfileProperties profile_properties,
const util::NameTable &name_table,
std::vector<std::uint32_t> &turn_lane_offsets,

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@ -263,7 +263,7 @@ int Extractor::run(ScriptingEnvironment &scripting_environment)
std::vector<bool> node_is_startpoint;
std::vector<EdgeWeight> edge_based_node_weights;
std::vector<util::Coordinate> coordinates;
util::PackedVector<OSMNodeID> osm_node_ids;
extractor::PackedOSMIDs osm_node_ids;
auto graph_size = BuildEdgeExpandedGraph(scripting_environment,
coordinates,
@ -407,7 +407,7 @@ std::shared_ptr<util::NodeBasedDynamicGraph>
Extractor::LoadNodeBasedGraph(std::unordered_set<NodeID> &barriers,
std::unordered_set<NodeID> &traffic_signals,
std::vector<util::Coordinate> &coordiantes,
util::PackedVector<OSMNodeID> &osm_node_ids)
extractor::PackedOSMIDs &osm_node_ids)
{
storage::io::FileReader file_reader(config.output_file_name,
storage::io::FileReader::VerifyFingerprint);
@ -439,7 +439,7 @@ Extractor::LoadNodeBasedGraph(std::unordered_set<NodeID> &barriers,
std::pair<std::size_t, EdgeID>
Extractor::BuildEdgeExpandedGraph(ScriptingEnvironment &scripting_environment,
std::vector<util::Coordinate> &coordinates,
util::PackedVector<OSMNodeID> &osm_node_ids,
extractor::PackedOSMIDs &osm_node_ids,
std::vector<EdgeBasedNode> &node_based_edge_list,
std::vector<bool> &node_is_startpoint,
std::vector<EdgeWeight> &edge_based_node_weights,

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@ -19,6 +19,7 @@
#include "extractor/profile_properties.hpp"
#include "extractor/query_node.hpp"
#include "extractor/travel_mode.hpp"
#include "extractor/packed_osm_ids.hpp"
#include "partition/cell_storage.hpp"
#include "partition/edge_based_graph_reader.hpp"
@ -326,7 +327,7 @@ void Storage::PopulateLayout(DataLayout &layout)
// number of items:
layout.SetBlockSize<std::uint64_t>(
DataLayout::OSM_NODE_ID_LIST,
util::PackedVectorView<OSMNodeID>::elements_to_blocks(coordinate_list_size));
extractor::PackedOSMIDsView::elements_to_blocks(coordinate_list_size));
}
// load geometries sizes
@ -694,7 +695,7 @@ void Storage::PopulateData(const DataLayout &layout, char *memory_ptr)
layout.GetBlockPtr<std::uint64_t, true>(memory_ptr, DataLayout::OSM_NODE_ID_LIST);
util::vector_view<util::Coordinate> coordinates(
coordinates_ptr, layout.num_entries[DataLayout::COORDINATE_LIST]);
util::PackedVectorView<OSMNodeID> osm_node_ids;
extractor::PackedOSMIDsView osm_node_ids;
osm_node_ids.reset(osmnodeid_ptr, layout.num_entries[DataLayout::OSM_NODE_ID_LIST]);
extractor::files::readNodes(config.nodes_data_path, coordinates, osm_node_ids);

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@ -33,7 +33,7 @@ using TarjanEdge = util::static_graph_details::SortableEdgeWithData<void>;
std::size_t loadGraph(const std::string &path,
std::vector<util::Coordinate> &coordinate_list,
util::PackedVector<OSMNodeID> &osm_node_ids,
extractor::PackedOSMIDs &osm_node_ids,
std::vector<TarjanEdge> &graph_edge_list)
{
storage::io::FileReader file_reader(path, storage::io::FileReader::VerifyFingerprint);
@ -142,7 +142,7 @@ int main(int argc, char *argv[])
std::vector<tools::TarjanEdge> graph_edge_list;
std::vector<util::Coordinate> coordinate_list;
util::PackedVector<OSMNodeID> osm_node_ids;
extractor::PackedOSMIDs osm_node_ids;
auto number_of_nodes = tools::loadGraph(inpath, coordinate_list, osm_node_ids, graph_edge_list);
tbb::parallel_sort(graph_edge_list.begin(), graph_edge_list.end());

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@ -134,7 +134,7 @@ updateSegmentData(const UpdaterConfig &config,
extractor::SegmentDataContainer &segment_data)
{
std::vector<util::Coordinate> coordinates;
util::PackedVector<OSMNodeID> osm_node_ids;
extractor::PackedOSMIDs osm_node_ids;
extractor::files::readNodes(config.node_based_graph_path, coordinates, osm_node_ids);
// vector to count used speeds for logging

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@ -12,7 +12,7 @@ using namespace osrm::util;
// Verify that the packed vector behaves as expected
BOOST_AUTO_TEST_CASE(insert_and_retrieve_packed_test)
{
PackedVector<OSMNodeID> packed_ids;
PackedVector<OSMNodeID, 33> packed_ids;
std::vector<OSMNodeID> original_ids;
const constexpr std::size_t num_test_cases = 399;
@ -33,7 +33,7 @@ BOOST_AUTO_TEST_CASE(insert_and_retrieve_packed_test)
BOOST_AUTO_TEST_CASE(packed_vector_capacity_test)
{
PackedVector<OSMNodeID> packed_vec;
PackedVector<OSMNodeID, 33> packed_vec;
const std::size_t original_size = packed_vec.capacity();
std::vector<OSMNodeID> dummy_vec;