scheduler_patch_list.hpp

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// -------------------------------------------------------//
//
// SHAMROCK code for hydrodynamics
// Copyright (c) 2021-2026 Timothée David--Cléris <tim.shamrock@proton.me>
// SPDX-License-Identifier: CeCILL Free Software License Agreement v2.1
// Shamrock is licensed under the CeCILL 2.1 License, see LICENSE for more information
//
// -------------------------------------------------------//
 
#pragma once
 
#include "shambase/SourceLocation.hpp"
#include "shambase/exception.hpp"
#include "shamrock/patch/Patch.hpp"
#include <nlohmann/json.hpp>
#include <unordered_map>
#include <unordered_set>
#include <array>
#include <stdexcept>
#include <tuple>
#include <vector>
 
class SchedulerPatchList {
    public:
    u64 _next_patch_id = 0;
 
    std::vector<shamrock::patch::Patch> global;
 
    std::vector<shamrock::patch::Patch> local;
 
    bool is_load_values_up_to_date = false; 
 
    inline void invalidate_load_values() { is_load_values_up_to_date = false; }
 
    inline void check_load_values_valid(SourceLocation loc = SourceLocation{}) {
        if (!is_load_values_up_to_date) {
            throw shambase::make_except_with_loc<std::runtime_error>(
                "the load values are invalid please update them", loc);
        }
    }
 
    void build_global();
 
    [[nodiscard]]
    std::unordered_set<u64> build_local();
 
    void build_local_differantial(
        std::unordered_set<u64> &patch_id_lst,
        std::vector<u64> &to_send_idx,
        std::vector<u64> &to_recv_idx);
 
    std::unordered_map<u64, u64> id_patch_to_global_idx;
 
    std::unordered_map<u64, u64> id_patch_to_local_idx;
 
    void build_global_idx_map();
 
    void build_local_idx_map();
 
    void reset_local_pack_index();
 
    std::tuple<u64, u64, u64, u64, u64, u64, u64, u64> split_patch(u64 id_patch);
 
    void merge_patch(
        u64 idx0, u64 idx1, u64 idx2, u64 idx3, u64 idx4, u64 idx5, u64 idx6, u64 idx7);
};
 
void to_json(nlohmann::json &j, const SchedulerPatchList &p);
 
void from_json(const nlohmann::json &j, SchedulerPatchList &p);
 
std::vector<shamrock::patch::Patch> make_fake_patch_list(u32 total_dtcnt, u64 div_limit);