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Use faster SIMDJSON for GeoJSON handling #278

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Use faster SIMDJSON for GeoJSON handling #278

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0351803
Use simdjson for geojson parsing
nihalzp Jun 10, 2025
3ddc266
Add simdjson as dependency
nihalzp Jun 10, 2025
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2 changes: 2 additions & 0 deletions CMakeLists.txt
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Expand Up @@ -10,6 +10,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_package(Boost REQUIRED CONFIG)
find_package(cgal REQUIRED CONFIG)
find_package(nlohmann_json REQUIRED CONFIG)
find_package(simdjson REQUIRED CONFIG)
find_package(argparse REQUIRED CONFIG)
find_package(vincentlaucsb-csv-parser REQUIRED CONFIG)
find_package(indicators REQUIRED CONFIG)
Expand All @@ -32,6 +33,7 @@ target_link_libraries(cartogram_lib
CGAL::CGAL
boost::boost
nlohmann_json::nlohmann_json
simdjson::simdjson
argparse::argparse
vincentlaucsb-csv-parser::vincentlaucsb-csv-parser
indicators::indicators
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1 change: 1 addition & 0 deletions conanfile.txt
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Expand Up @@ -4,6 +4,7 @@ cgal/6.0.1
vincentlaucsb-csv-parser/2.3.0
indicators/2.3
nlohmann_json/3.11.3
simdjson/3.12.3
boost/1.83.0
fftw/3.3.10
pkgconf/2.2.0
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2 changes: 1 addition & 1 deletion include/cartogram_info.hpp
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Expand Up @@ -37,7 +37,7 @@ class CartogramInfo
public:
explicit CartogramInfo(Arguments);
[[nodiscard]] double cart_initial_total_target_area() const;
void construct_inset_state_from_geodivs(const nlohmann::json &);
void construct_inset_state_from_geodivs(const simdjson::dom::element &);
bool converged() const;
[[nodiscard]] double area() const;
[[nodiscard]] bool is_world_map() const;
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1 change: 1 addition & 0 deletions include/inset_state.hpp
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Expand Up @@ -9,6 +9,7 @@
#include "nlohmann/json.hpp"
#include "parse_arguments.hpp"
#include "progress_tracker.hpp"
#include "simdjson.h"
#include "time_tracker.hpp"
#include <boost/multi_array.hpp>

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