110234Syasuko.eckert@amd.com/***************************************************************************** 210234Syasuko.eckert@amd.com * McPAT 310234Syasuko.eckert@amd.com * SOFTWARE LICENSE AGREEMENT 410234Syasuko.eckert@amd.com * Copyright (c) 2010-2013 Advanced Micro Devices, Inc. 510234Syasuko.eckert@amd.com * All Rights Reserved 610234Syasuko.eckert@amd.com * 710234Syasuko.eckert@amd.com * Redistribution and use in source and binary forms, with or without 810234Syasuko.eckert@amd.com * modification, are permitted provided that the following conditions are 910234Syasuko.eckert@amd.com * met: redistributions of source code must retain the above copyright 1010234Syasuko.eckert@amd.com * notice, this list of conditions and the following disclaimer; 1110234Syasuko.eckert@amd.com * redistributions in binary form must reproduce the above copyright 1210234Syasuko.eckert@amd.com * notice, this list of conditions and the following disclaimer in the 1310234Syasuko.eckert@amd.com * documentation and/or other materials provided with the distribution; 1410234Syasuko.eckert@amd.com * neither the name of the copyright holders nor the names of its 1510234Syasuko.eckert@amd.com * contributors may be used to endorse or promote products derived from 1610234Syasuko.eckert@amd.com * this software without specific prior written permission. 1710234Syasuko.eckert@amd.com 1810234Syasuko.eckert@amd.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1910234Syasuko.eckert@amd.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2010234Syasuko.eckert@amd.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2110234Syasuko.eckert@amd.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2210234Syasuko.eckert@amd.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2310234Syasuko.eckert@amd.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2410234Syasuko.eckert@amd.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2510234Syasuko.eckert@amd.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2610234Syasuko.eckert@amd.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2710234Syasuko.eckert@amd.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2810234Syasuko.eckert@amd.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2910234Syasuko.eckert@amd.com * 3010234Syasuko.eckert@amd.com * Authors: Joel Hestness 3110234Syasuko.eckert@amd.com * Yasuko Eckert 3210234Syasuko.eckert@amd.com * 3310234Syasuko.eckert@amd.com ***************************************************************************/ 3410234Syasuko.eckert@amd.com 3510234Syasuko.eckert@amd.com#ifndef CACHEUNIT_H_ 3610234Syasuko.eckert@amd.com#define CACHEUNIT_H_ 3710234Syasuko.eckert@amd.com 3810234Syasuko.eckert@amd.com#include "area.h" 3910234Syasuko.eckert@amd.com#include "array.h" 4010234Syasuko.eckert@amd.com#include "basic_components.h" 4110234Syasuko.eckert@amd.com#include "logic.h" 4210234Syasuko.eckert@amd.com#include "parameter.h" 4310234Syasuko.eckert@amd.com 4410234Syasuko.eckert@amd.comclass CacheParameters { 4510234Syasuko.eckert@amd.compublic: 4610234Syasuko.eckert@amd.com enum Dir_type dir_ty; 4710234Syasuko.eckert@amd.com double clockRate; 4810234Syasuko.eckert@amd.com double capacity; 4910234Syasuko.eckert@amd.com double blockW; 5010234Syasuko.eckert@amd.com double assoc; 5110234Syasuko.eckert@amd.com double nbanks; 5210234Syasuko.eckert@amd.com double throughput; 5310234Syasuko.eckert@amd.com double latency; 5410234Syasuko.eckert@amd.com int missb_size; 5510234Syasuko.eckert@amd.com int fu_size; 5610234Syasuko.eckert@amd.com int prefetchb_size; 5710234Syasuko.eckert@amd.com int wbb_size; 5810234Syasuko.eckert@amd.com int missb_assoc; 5910234Syasuko.eckert@amd.com int fu_assoc; 6010234Syasuko.eckert@amd.com int prefetchb_assoc; 6110234Syasuko.eckert@amd.com int wbb_assoc; 6210234Syasuko.eckert@amd.com int missb_banks; 6310234Syasuko.eckert@amd.com int fu_banks; 6410234Syasuko.eckert@amd.com int prefetchb_banks; 6510234Syasuko.eckert@amd.com int wbb_banks; 6610234Syasuko.eckert@amd.com enum Access_mode cache_access_mode; 6710234Syasuko.eckert@amd.com enum Access_mode miss_buff_access_mode; 6810234Syasuko.eckert@amd.com enum Access_mode fetch_buff_access_mode; 6910234Syasuko.eckert@amd.com enum Access_mode prefetch_buff_access_mode; 7010234Syasuko.eckert@amd.com enum Access_mode writeback_buff_access_mode; 7110234Syasuko.eckert@amd.com int cache_rw_ports; 7210234Syasuko.eckert@amd.com int cache_rd_ports; 7310234Syasuko.eckert@amd.com int cache_wr_ports; 7410234Syasuko.eckert@amd.com int cache_se_rd_ports; 7510234Syasuko.eckert@amd.com int cache_search_ports; 7610234Syasuko.eckert@amd.com int miss_buff_rw_ports; 7710234Syasuko.eckert@amd.com int miss_buff_rd_ports; 7810234Syasuko.eckert@amd.com int miss_buff_wr_ports; 7910234Syasuko.eckert@amd.com int miss_buff_se_rd_ports; 8010234Syasuko.eckert@amd.com int miss_buff_search_ports; 8110234Syasuko.eckert@amd.com int fetch_buff_rw_ports; 8210234Syasuko.eckert@amd.com int fetch_buff_rd_ports; 8310234Syasuko.eckert@amd.com int fetch_buff_wr_ports; 8410234Syasuko.eckert@amd.com int fetch_buff_se_rd_ports; 8510234Syasuko.eckert@amd.com int fetch_buff_search_ports; 8610234Syasuko.eckert@amd.com int pf_buff_rw_ports; 8710234Syasuko.eckert@amd.com int pf_buff_rd_ports; 8810234Syasuko.eckert@amd.com int pf_buff_wr_ports; 8910234Syasuko.eckert@amd.com int pf_buff_se_rd_ports; 9010234Syasuko.eckert@amd.com int pf_buff_search_ports; 9110234Syasuko.eckert@amd.com int wb_buff_rw_ports; 9210234Syasuko.eckert@amd.com int wb_buff_rd_ports; 9310234Syasuko.eckert@amd.com int wb_buff_wr_ports; 9410234Syasuko.eckert@amd.com int wb_buff_se_rd_ports; 9510234Syasuko.eckert@amd.com int wb_buff_search_ports; 9610234Syasuko.eckert@amd.com bool pure_ram; 9710234Syasuko.eckert@amd.com enum CacheLevel cache_level; 9810234Syasuko.eckert@amd.com enum Device_ty device_ty; 9910234Syasuko.eckert@amd.com enum Core_type core_ty; 10010234Syasuko.eckert@amd.com int num_cores; 10110234Syasuko.eckert@amd.com}; 10210234Syasuko.eckert@amd.com 10310234Syasuko.eckert@amd.comclass CacheStatistics { 10410234Syasuko.eckert@amd.compublic: 10510234Syasuko.eckert@amd.com // Duty cycle is used for estimating TDP. It should reflect the highest 10610234Syasuko.eckert@amd.com // sustainable rate of access to the cache unit in execution of a benchmark 10710234Syasuko.eckert@amd.com // Default should be 1.0: one access per cycle 10810234Syasuko.eckert@amd.com double duty_cycle; 10910234Syasuko.eckert@amd.com // This duty cycle is only used for SBT directory types 11010234Syasuko.eckert@amd.com double dir_duty_cycle; 11110234Syasuko.eckert@amd.com // The following two stats are also used for estimating TDP. 11210234Syasuko.eckert@amd.com double tdp_read_access_scalar; 11310234Syasuko.eckert@amd.com double tdp_write_access_scalar; 11410234Syasuko.eckert@amd.com // There are 2 ways to calculate dynamic power from activity statistics: 11510234Syasuko.eckert@amd.com // Default is false 11610234Syasuko.eckert@amd.com bool use_detailed_stats; 11710234Syasuko.eckert@amd.com // 1) Count the number and type of accesses to each cache array 11810234Syasuko.eckert@amd.com // splitting data and tag arrays (use_detailed_stats = true). 11910234Syasuko.eckert@amd.com // These are extremely detailed statistics. 12010234Syasuko.eckert@amd.com // read_misses and write_misses are still required for this method for 12110234Syasuko.eckert@amd.com // various buffers associated with this cache. 12210234Syasuko.eckert@amd.com double num_data_array_reads; 12310234Syasuko.eckert@amd.com double num_data_array_writes; 12410234Syasuko.eckert@amd.com double num_tag_array_reads; 12510234Syasuko.eckert@amd.com double num_tag_array_writes; 12610234Syasuko.eckert@amd.com // 2) Count the number and type of access to the cache unit and 12710234Syasuko.eckert@amd.com // use them to extrapolate the number of accesses to the other 12810234Syasuko.eckert@amd.com // subcomponents (cache arrays and buffers) 12910234Syasuko.eckert@amd.com double read_accesses; 13010234Syasuko.eckert@amd.com double write_accesses; 13110234Syasuko.eckert@amd.com double read_misses; 13210234Syasuko.eckert@amd.com double write_misses; 13310234Syasuko.eckert@amd.com double conflicts; 13410234Syasuko.eckert@amd.com // The following is only used for SBT directory types 13510234Syasuko.eckert@amd.com int homenode_read_accesses; 13610234Syasuko.eckert@amd.com int homenode_write_accesses; 13710234Syasuko.eckert@amd.com int homenode_read_misses; 13810234Syasuko.eckert@amd.com int homenode_write_misses; 13910234Syasuko.eckert@amd.com double homenode_access_scalar; 14010234Syasuko.eckert@amd.com double tdp_sbt_write_access_scalar; 14110234Syasuko.eckert@amd.com}; 14210234Syasuko.eckert@amd.com 14310234Syasuko.eckert@amd.comclass CacheUnit : public McPATComponent { 14410234Syasuko.eckert@amd.compublic: 14510234Syasuko.eckert@amd.com static bool is_cache; 14610234Syasuko.eckert@amd.com static bool pure_cam; 14710234Syasuko.eckert@amd.com // This is used for CacheArray objects 14810234Syasuko.eckert@amd.com static bool opt_local; 14910234Syasuko.eckert@amd.com static bool force_cache_config; 15010234Syasuko.eckert@amd.com 15110234Syasuko.eckert@amd.com int ithCache; 15210234Syasuko.eckert@amd.com CacheParameters cache_params; 15310234Syasuko.eckert@amd.com CacheStatistics cache_stats; 15410234Syasuko.eckert@amd.com Cache_type cacheType; 15510234Syasuko.eckert@amd.com bool calculate_runtime_data_and_tag; 15610234Syasuko.eckert@amd.com double dir_overhead; 15710234Syasuko.eckert@amd.com 15810234Syasuko.eckert@amd.com double scktRatio; 15910234Syasuko.eckert@amd.com 16010234Syasuko.eckert@amd.com // TODO: REMOVE _interface_ip... It promotes a mess. Find a better way... 16110234Syasuko.eckert@amd.com CacheUnit(XMLNode* _xml_data, InputParameter* _interface_ip); 16210234Syasuko.eckert@amd.com void set_cache_param_from_xml_data(); 16310234Syasuko.eckert@amd.com void computeEnergy(); 16410234Syasuko.eckert@amd.com ~CacheUnit() {}; 16510234Syasuko.eckert@amd.com}; 16610234Syasuko.eckert@amd.com 16710234Syasuko.eckert@amd.com#endif /* CACHEUNIT_H_ */ 168