示例#1
0
        public DRAMTrueLRU()
        {
            this.sets    = Config.proc.cache_sets;
            this.ways    = Config.proc.cache_ways;
            this.latency = Config.proc.cache_latency;
            data         = new TagEntry[sets][];
            reqs         = new Queue <Req>();
            wbs          = new Queue <Req>();

            DDR3DRAM ddr3 = new DDR3DRAM(Config.mem2.ddr3_type, Config.mem2.clock_factor, Config.mem2.tWR, Config.mem2.tWTR);
            uint     cmax = (uint)Config.mem2.channel_max;
            uint     rmax = (uint)Config.mem2.rank_max;

            //memory controllers
            mctrls2 = new MemCtrl2[Config.mem2.mctrl_num][];
            for (int n = 0; n < Config.mem2.mctrl_num; n++)
            {
                mctrls2[n] = new MemCtrl2[cmax];
                for (int i = 0; i < mctrls2[n].Length; i++)
                {
                    mctrls2[n][i] = new MemCtrl2(rmax, ddr3);
                }
            }

            //memory schedulers and metamemory controllers
            if (!Config.sched.is_omniscient)
            {
                MemSched2[][] scheds = new MemSched2[Config.mem2.mctrl_num][];
                for (int n = 0; n < Config.mem2.mctrl_num; n++)
                {
                    scheds[n] = new MemSched2[cmax];
                    for (int i = 0; i < cmax; i++)
                    {
                        scheds[n][i] = Activator.CreateInstance(Config.sched.typeof_sched_algo2) as MemSched2;
                    }
                }

                MemSched2[][] wbscheds = new MemSched2[Config.mem2.mctrl_num][];
                for (int n = 0; n < Config.mem2.mctrl_num; n++)
                {
                    wbscheds[n] = new MemSched2[cmax];
                    if (!Config.sched.same_sched_algo)
                    {
                        for (int i = 0; i < cmax; i++)
                        {
                            wbscheds[n][i] = Activator.CreateInstance(Config.sched.typeof_wbsched_algo2) as MemSched2;
                        }
                    }
                    else
                    {
                        for (int i = 0; i < cmax; i++)
                        {
                            wbscheds[n][i] = scheds[n][i];
                        }
                    }
                }

                MetaMemCtrl2[][] meta_mctrls2 = new MetaMemCtrl2[Config.mem2.mctrl_num][];
                for (int n = 0; n < Config.mem2.mctrl_num; n++)
                {
                    meta_mctrls2[n] = new MetaMemCtrl2[cmax];
                    for (int i = 0; i < cmax; i++)
                    {
                        meta_mctrls2[n][i]       = new MetaMemCtrl2(mctrls2[n][i], scheds[n][i], wbscheds[n][i]);
                        mctrls2[n][i].meta_mctrl = meta_mctrls2[n][i];
                        scheds[n][i].meta_mctrl  = meta_mctrls2[n][i];
                        scheds[n][i].initialize();
                        wbscheds[n][i].meta_mctrl = meta_mctrls2[n][i];
                        wbscheds[n][i].initialize();
                    }
                }
            }
            else
            {
                MemSched2[] sched   = new MemSched2[Config.mem2.mctrl_num];
                MemSched2[] wbsched = new MemSched2[Config.mem2.mctrl_num];
                for (int n = 0; n < Config.mem2.mctrl_num; n++)
                {
                    sched[n] = Activator.CreateInstance(Config.sched.typeof_sched_algo2) as MemSched2;
                    if (!Config.sched.same_sched_algo)
                    {
                        wbsched[n] = Activator.CreateInstance(Config.sched.typeof_wbsched_algo2) as MemSched2;
                    }
                    else
                    {
                        wbsched[n] = sched[n];
                    }
                }

                MetaMemCtrl2[] meta_mctrl = new MetaMemCtrl2[Config.mem2.mctrl_num];
                for (int n = 0; n < Config.mem2.mctrl_num; n++)
                {
                    meta_mctrl[n] = new MetaMemCtrl2(mctrls2[n], sched[n], wbsched[n]);
                    for (int i = 0; i < cmax; i++)
                    {
                        mctrls2[n][i].meta_mctrl = meta_mctrl[n];
                    }
                    sched[n].meta_mctrl = meta_mctrl[n];
                    sched[n].initialize();
                    wbsched[n].meta_mctrl = meta_mctrl[n];
                    wbsched[n].initialize();
                }
            }

            //wbmode
            for (int n = 0; n < Config.mem2.mctrl_num; n++)
            {
                Console.WriteLine(Config.mctrl.typeof_wbmode_algo);
                mwbmode = Activator.CreateInstance(Config.mctrl.typeof_wbmode_algo2, new Object[] { mctrls2[n] }) as MemWBMode2;
                for (int i = 0; i < cmax; i++)
                {
                    mctrls2[n][i].mwbmode = mwbmode;
                }

                //blp tracker
                blptracker = new BLPTracker2(mctrls2[n]);
            }

            for (int set = 0; set < sets; set++)
            {
                data[set] = new TagEntry[ways];
                for (int way = 0; way < ways; way++)
                {
                    data[set][way]        = new TagEntry();
                    data[set][way].valid  = false;
                    data[set][way].addr   = 0x0;
                    data[set][way].access = 0;
//                    data[set][way].dirty = false;
                    data[set][way].pid         = -1;
                    data[set][way].block_valid = new bool[Config.proc.page_block_diff];
                    data[set][way].block_dirty = new bool[Config.proc.page_block_diff];
                    for (int block_id = 0; block_id < Config.proc.page_block_diff; block_id++)
                    {
                        data[set][way].block_valid[block_id] = false;
                        data[set][way].block_dirty[block_id] = false;
                    }
                }
            }
        }