Initial release.

.clang-format

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+BasedOnStyle: LLVM

.gitignore

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+# Created by https://www.toptal.com/developers/gitignore/api/cmake
+# Edit at https://www.toptal.com/developers/gitignore?templates=cmake
+
+### CMake ###
+CMakeLists.txt.user
+CMakeCache.txt
+CMakeFiles
+CMakeScripts
+Testing
+Makefile
+cmake_install.cmake
+install_manifest.txt
+compile_commands.json
+CTestTestfile.cmake
+_deps
+
+### CMake Patch ###
+# External projects
+*-prefix/
+
+# End of https://www.toptal.com/developers/gitignore/api/cmake
+
+build/

.gitmodules

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+[submodule "cvrp/CVRPController"]
+	path = cvrp/CVRPController
+	url = https://github.com/laser-ufpb/CVRPController.git
+[submodule "irp/dimacs-irp-verifier"]
+	path = irp/dimacs-irp-verifier
+	url = https://github.com/sbeyer/dimacs-irp-verifier.git
+[submodule "carp/HGS-CARP"]
+	path = carp/HGS-CARP
+	url = https://github.com/vidalt/HGS-CARP.git

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.14)
+project(AlkaidSD)
+
+set(CMAKE_CXX_STANDARD 20)
+if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+  set(CMAKE_CXX_FLAGS_RELEASE "-Ofast -march=native")
+  if (PGO STREQUAL "generate")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-instr-generate=${CMAKE_SOURCE_DIR}/pgo-clang/dimacs-sd-%p.profraw")
+  endif ()
+  if (PGO STREQUAL "use")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-instr-use=${CMAKE_SOURCE_DIR}/pgo-clang/dimacs-sd.profdata")
+  endif ()
+  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto")
+  set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} -fuse-ld=lld")
+elseif (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+  set(CMAKE_CXX_FLAGS_RELEASE "-Ofast -march=native")
+  if (PGO STREQUAL "generate")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-generate=${CMAKE_SOURCE_DIR}/pgo-gcc/dimacs-sd-%q{PROFILE_FILE}")
+  endif ()
+  if (PGO STREQUAL "use")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fprofile-use=${CMAKE_SOURCE_DIR}/pgo-gcc/dimacs-sd")
+  endif ()
+endif()
+
+include(cmake/cli11.cmake)
+include(cmake/json.cmake)
+include(cmake/mimalloc.cmake)
+
+include_directories(src)
+
+add_library(
+  alkaid-sd
+  src/algorithm/construction.cc
+  src/algorithm/operator/cross.cc
+  src/algorithm/operator/exchange.cc
+  src/algorithm/operator/or_opt.cc
+  src/algorithm/operator/relocate.cc
+  src/algorithm/operator/repair.cc
+  src/algorithm/operator/sd_swap_one_one.cc
+  src/algorithm/operator/sd_swap_star.cc
+  src/algorithm/operator/sd_swap_two_one.cc
+  src/algorithm/operator/split_reinsertion.cc
+  src/algorithm/operator/swap_star.cc
+  src/algorithm/operator/swap.cc
+  src/algorithm/ruin_method.cc
+  src/algorithm/solver.cc
+  src/algorithm/sorter.cc
+  src/config/config.cc
+  src/distance_matrix.cc
+  src/model/route_context.cc
+  src/problem.cc
+  src/util/solution_utils.cc
+  src/util/submit.cc
+  src/util/timer.cc)
+
+target_link_libraries(alkaid-sd nlohmann_json::nlohmann_json)
+
+add_executable(alkaid-sd-main src/main.cc)
+
+target_link_libraries(alkaid-sd-main PRIVATE alkaid-sd CLI11::CLI11 mimalloc-static)

README.md

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+# AlkaidSD: An Efficient Iterated Local Search Heuristic for the Split Delivery Vehicle Routing Problem
+
+DIMACS-12 competition: http://dimacs.rutgers.edu/programs/challenge/vrp/vrpsd/
+
+## Build
+
+### Linux
+
+```bash
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release
+cmake --build .
+```
+
+Then the executable file is under `./build/`
+
+### Windows (MSVC)
+
+```bash
+mkdir build
+cd build
+cmake ..
+cmake --build . --config Release
+```
+
+Then the executable file is under `.\build\Release\`
+
+## Run
+
+```
+Usage: ./alkaid-sd-main [OPTIONS] config instance output
+
+Positionals:
+  config TEXT REQUIRED        Config path
+  instance TEXT REQUIRED      Instance name
+  output TEXT REQUIRED        Output
+
+Options:
+  -h,--help                   Print this help message and exit
+  -s INT                      Random Seed
+```
+
+## Examples
+
+```bash
+# Solve instance `p05_3070` and output solution to `out_p05_3070.txt`
+$ ./alkaid-sd-main ./config/AlkaidSD.json p05_3070 out_p05_3070.txt
+
+# time, value
+0.0729653,6207
+0.0941946,6112
+0.112931,6018
+0.190977,5806
+0.242988,5671
+0.258149,5668
+0.328725,5643
+0.376124,5579
+...
+
+$ cat out_p05_3070.txt
+
+Route 1: 0 - 97 ( 121 ) - 187 ( 79 ) - 0
+...
+Route 102: 0 - 152 ( 0 ) - 173 ( 109 ) - 171 ( 91 ) - 0
+5320
+Intel Core i7-8700 @ 3.20GHz
+1347.01
+```
+
+## Config
+```json5
+{
+  "problem_dir": "data/",
+  "random_seed": 42,
+
+  // Processor type as listed in PassMark. See rule http://dimacs.rutgers.edu/files/3816/3754/6419/SDVRP-Rules.pdf
+  "processor": "Intel Core i7-8700 @ 3.20GHz",
+  "time_limit": 1347,
+
+  // Possible time limit types:
+  // - real
+  // - cpu
+  "time_limit_type": "real",
+
+  // Possible acceptance rules:
+  //
+  // - type: HC (Hill Climbing)
+  //
+  // - type: HCWE (Hill Climbing With Equal)
+  //
+  // - type: LAHC (Late Acceptance Hill Climbing)
+  //   length: 83
+  //
+  // - type: SA (Simulated Annealing)
+  //   initial_temperature: 1000
+  //   decay: 0.99
+  //
+  "acceptance_rule": {
+    "type": "LAHC",
+    "length": 83
+  },
+
+  // Possible ruin methods:
+  //
+  // - type: SISRs
+  //   average_customers: 36
+  //   max_length: 8
+  //   split_rate: 0.740
+  //   preserved_probability: 0.096
+  //
+  // - type: Random
+  //   num_perturb_customers: [5, 6, 7]
+  //
+  "ruin_method": {
+    "type": "SISRs",
+    "average_customers": 36,
+    "max_length": 8,
+    "split_rate": 0.740,
+    "preserved_probability": 0.096
+  },
+
+  "sorter": {
+    "random": 0.078,
+    "demand": 0.225,
+    "far": 0.942,
+    "close": 0.120
+  },
+  "blink_rate": 0.021,
+
+  // Operators for HRVND (Hierarchical random variable neighborhood descent)
+  // Possible inter-route operators:
+  // - Swap<2, 0>
+  // - Swap<2, 1>
+  // - Swap<2, 2>
+  // - Relocate
+  // - SwapStar
+  // - Cross
+  // - SdSwapStar
+  // - SdSwapOneOne
+  // - SdSwapTwoOne
+  "inter_operators": [
+    [
+      "Relocate",
+      "Swap<2, 0>",
+      "Swap<2, 1>",
+      "Swap<2, 2>",
+      "Cross",
+      "SwapStar",
+      "SdSwapStar"
+    ]
+  ],
+  // Possible intra-route operators:
+  // - Exchange
+  // - OrOpt<1>
+  // - OrOpt<2>
+  // - OrOpt<3>
+  "intra_operators": [
+    "Exchange",
+    "OrOpt<1>"
+  ]
+}
+```

cmake/cli11.cmake

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+include(FetchContent)
+FetchContent_Declare(
+  cli11
+  GIT_REPOSITORY https://github.com/CLIUtils/CLI11
+  GIT_TAG v2.3.2)
+FetchContent_MakeAvailable(cli11)

cmake/json.cmake

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+include(FetchContent)
+FetchContent_Declare(json
+  URL https://github.com/nlohmann/json/releases/download/v3.11.2/json.tar.xz)
+FetchContent_MakeAvailable(json)

cmake/mimalloc.cmake

@@ -0,0 +1,6 @@
+include(FetchContent)
+FetchContent_Declare(
+  mimalloc
+  GIT_REPOSITORY https://github.com/microsoft/mimalloc
+  GIT_TAG v2.0.9)
+FetchContent_MakeAvailable(mimalloc)

config/AlkaidSD.json

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+{
+  "problem_dir": "data/",
+  "random_seed": 42,
+  "processor": "Intel Core i7-8700 @ 3.20GHz",
+  "time_limit": 1347,
+  "time_limit_type": "real",
+  "acceptance_rule": {
+    "type": "LAHC",
+    "length": 83
+  },
+  "ruin_method": {
+    "type": "SISRs",
+    "average_customers": 36,
+    "max_length": 8,
+    "split_rate": 0.740,
+    "preserved_probability": 0.096
+  },
+  "sorter": {
+    "random": 0.078,
+    "demand": 0.225,
+    "far": 0.942,
+    "close": 0.120
+  },
+  "blink_rate": 0.021,
+  "inter_operators": [
+    [
+      "Relocate",
+      "Swap<2, 0>",
+      "Swap<2, 1>",
+      "Swap<2, 2>",
+      "Cross",
+      "SwapStar",
+      "SdSwapStar"
+    ]
+  ],
+  "intra_operators": [
+    "Exchange",
+    "OrOpt<1>"
+  ]
+}

data/SET-1/SD1.txt

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+8 100
+60 90 60 90 60 90 60 90 
+0 0
+ 1000      0
+    0   1000
+-1000      0
+   -0  -1000
+ 2000      0
+    0   2000
+-2000      0
+   -0  -2000
+