TheRock/rocm-libraries/shared/rocroller/lib/include/rocRoller/Scheduling/RoundRobinScheduler.hpp

// Copyright Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT

#pragma once

#include <concepts>
#include <string>
#include <vector>

#include <rocRoller/Scheduling/RoundRobinScheduler_fwd.hpp>
#include <rocRoller/Scheduling/Scheduler.hpp>

namespace rocRoller
{
    namespace Scheduling
    {

        /**
         * Round-robin scheduler: Takes the first instruction from each stream, then the
         * second from each stream, and so on.
         *
         * Must also follow the locking rules.
         */
        class RoundRobinScheduler : public Scheduler
        {
        public:
            RoundRobinScheduler(ContextPtr);

            using Base = Scheduler;

            inline static const std::string Name = "RoundRobinScheduler";

            static bool Match(Argument arg);

            static std::shared_ptr<Scheduler> Build(Argument arg);

            std::string name() const override;

            Generator<Instruction> operator()(std::vector<Generator<Instruction>>& seqs) override;
        };
    }
}