{
  "system_configurations": {
    "name": "rccl-test-system",
    "description": "Optional description of the system"
  },

  "paths": {
    "workdir": "${WORKDIR:-/path/to/rccl}",
    "rocm_path": "${ROCM_PATH:-/opt/rocm}",
    "mpi_path": "${MPI_PATH:-/opt/ompi}",
    "test_binary_dir": "${RCCL_TEST_BIN_DIR:-build/test}"
  },

  "env_variables": {
    "HSA_NO_SCRATCH_RECLAIM": "1",
    "NCCL_DEBUG": "WARN"
  },

  "build_configuration": {
    "cmake_options": {
      "CMAKE_BUILD_TYPE": "Release",
      "BUILD_TESTS": "ON"
    },
    "env_variables": {
      "HIPCC_COMPILE_FLAGS_APPEND": "-O2"
    },
    "parallel_jobs": 64,
    "generator": "Unix Makefiles"
  },

  "test_configurations": {
    "base_config": {
      "env_variables": {
        "NCCL_LAUNCH_MODE": "GROUP"
      },
      "args": ["--verbose"],
      "mpi_args": ["--bind-to none"]
    },

    "gtest_config": {
      "extends": "base_config",
      "is_gtest": true,
      "binary": "rccl-UnitTests",
      "num_ranks": 1,
      "num_nodes": 1,
      "num_gpus": 8,
      "timeout": 120,
      "env_variables": {
        "NCCL_DEBUG": "INFO"
      },
      "tests": [
        {
          "name": "AllReduceTest",
          "description": "Test AllReduce with specific parameters",
          "is_gtest": true,
          "binary": "rccl-UnitTests",
          "test_filter": "AllReduce.InPlace",
          "command_args": "--gtest_also_run_disabled_tests",
          "num_ranks": 1,
          "num_nodes": 1,
          "num_gpus": 4,
          "timeout": 60,
          "env_variables": {
            "NCCL_DEBUG": "TRACE"
          }
        },
        {
          "name": "BroadcastTest",
          "test_filter": "Broadcast.*"
        }
      ]
    },

    "mpi_config": {
      "extends": "base_config",
      "binary": "rccl-UnitTestsMPI",
      "num_ranks": 2,
      "num_nodes": 1,
      "timeout": 180,
      "tests": [
        {"name": "P2pTest", "test_filter": "P2pMPITest.*"},
        {"name": "ShmTest", "test_filter": "ShmMPITest.*"}
      ]
    },

    "perf_config": {
      "is_gtest": false,
      "binary": "all_reduce_perf",
      "num_ranks": 8,
      "num_nodes": 2,
      "num_gpus": 4,
      "timeout": 300,
      "tests": [
        {
          "name": "AllReducePerf",
          "command_args": "-b 8 -e 128M -f 2 -g 1"
        }
      ]
    }
  },

  "test_suites": [
    {
      "name": "unit_tests",
      "description": "Unit tests with GTest",
      "config": "gtest_config",
      "enabled": true,
      "num_ranks": 1,
      "num_nodes": 1,
      "num_gpus": 8,
      "timeout": 200,
      "env_variables": {
        "NCCL_DEBUG_SUBSYS": "INIT"
      }
    },
    {
      "name": "mpi_tests",
      "config": "mpi_config"
    },
    {
      "name": "perf_tests",
      "config": "perf_config",
      "enabled": false
    }
  ]
}