Flex-GPUsim/crossbar_latency_queue.h at dev_gqn · cpp-qn/Flex-GPUsim · GitHub

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//
// Created by 10791 on 2023/1/12.
//

#ifndef BUFFER_DEQUE_CROSSBAR_LATENCY_QUEUE_H
#define BUFFER_DEQUE_CROSSBAR_LATENCY_QUEUE_H


#include <vector>
#include <deque>
#include "mem_fetch.h"
//#include "crossbar.h"
#include "config_reader.h"

class LocalInterconnect;

class crossbar_latency_queue {
public:
    crossbar_latency_queue(std::map<std::string, int> & crossbar_config, int n_shader, int n_mem) : n_shader
    (n_shader), n_mem(n_mem)//传入对应的元素
    {
        crossbar_configs = crossbar_config;//读入数据
        bank = crossbar_configs["crossbar_bank"];
        latency = crossbar_configs["crossbar_latency"];
        buffer_size = crossbar_configs["crossbar_buffer_size"];
        crossbar_latency_queues.resize(bank);
        for (auto &deque : crossbar_latency_queues)
        {
            deque.resize(latency, nullptr);//元素设为空指针
        }
        time = 0;
        next_node_out = 0;
        next_node_in = 0;
    }
    void crossbar_latency_queue_cycle(LocalInterconnect& out_crossbar,
                                      LocalInterconnect& in_crossbar, int out_buffer, int
                                      in_buffer);
private:
    std::vector<std::deque<Packet*> > crossbar_latency_queues;
    std::map<std::string, int> crossbar_configs;
    int bank;
    int latency;
    int buffer_size;
    int time;
    int next_node_out;
    int next_node_in;
    int n_shader, n_mem;
};
//2374
//2375:     l1_latency_queue.resize(m_config->m_L1D_config.l1_banks);
//2376      assert(m_config->m_L1D_config.l1_latency > 0);
//
//2378      for (unsigned j = 0; j < m_config->m_L1D_config.l1_banks; j++)
//2379:       l1_latency_queue[j].resize(m_config->m_L1D_config.l1_latency,
//2380                                   (mem_fetch *)NULL);

#endif //BUFFER_DEQUE_CROSSBAR_LATENCY_QUEUE_H