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Diffstat (limited to 'ext/mcpat/cachearray.h')
| -rw-r--r-- | ext/mcpat/cachearray.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/ext/mcpat/cachearray.h b/ext/mcpat/cachearray.h new file mode 100644 index 000000000..ba55ffcd1 --- /dev/null +++ b/ext/mcpat/cachearray.h @@ -0,0 +1,117 @@ +/***************************************************************************** + * McPAT + * SOFTWARE LICENSE AGREEMENT + * Copyright (c) 2010-2013 Advanced Micro Devices, Inc. + * All Rights Reserved + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer; + * redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution; + * neither the name of the copyright holders nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Joel Hestness + * Yasuko Eckert + * + ***************************************************************************/ + +#ifndef CACHEARRAY_H_ +#define CACHEARRAY_H_ + +#include <iostream> +#include <string> + +#include "basic_components.h" +#include "cacti_interface.h" +#include "component.h" +#include "const.h" +#include "parameter.h" + +class CacheArray : public McPATComponent { +public: + static double area_efficiency_threshold; + + // These are used for the CACTI interface. + static int ed; + static int delay_wt; + static int cycle_time_wt; + static int area_wt; + static int dynamic_power_wt; + static int leakage_power_wt; + static int delay_dev; + static int cycle_time_dev; + static int area_dev; + static int dynamic_power_dev; + static int leakage_power_dev; + static int cycle_time_dev_threshold; + + InputParameter l_ip; + enum Device_ty device_ty; + bool opt_local; + enum Core_type core_ty; + bool is_default; + uca_org_t local_result; + + // These are only used for static bank tag (SBT) directory type. + double sbt_dir_overhead; + // Set this to contain SBT peak power stats + statsDef sbt_tdp_stats; + // Set this to contain SBT runtime power stats + statsDef sbt_rtp_stats; + + CacheArray(XMLNode* _xml_data, const InputParameter *configure_interface, + string _name, enum Device_ty device_ty_, double _clockRate = 0.0f, + bool opt_local_ = true, + enum Core_type core_ty_ = Inorder, bool _is_default = true); + void computeArea(); + void computeEnergy(); + void compute_base_power(); + void setSBTDirOverhead(double overhead) { sbt_dir_overhead = overhead; } + ~CacheArray(); + + private: + double computeSBTDynEnergy(statsDef *sbt_stats_ptr); +}; + +extern inline +double CacheArray::computeSBTDynEnergy(statsDef *sbt_stats_p) { + if (sbt_dir_overhead == 0) { + return 0; + } + + // Write miss on dynamic home node will generate a replacement write on + // whole cache block + double dynamic = + sbt_stats_p->readAc.hit * + (local_result.data_array2->power.readOp.dynamic * sbt_dir_overhead + + local_result.tag_array2->power.readOp.dynamic) + + sbt_stats_p->readAc.miss * + local_result.tag_array2->power.readOp.dynamic + + sbt_stats_p->writeAc.miss * + local_result.tag_array2->power.readOp.dynamic + + sbt_stats_p->writeAc.hit * + (local_result.data_array2->power.writeOp.dynamic * sbt_dir_overhead + + local_result.tag_array2->power.readOp.dynamic+ + sbt_stats_p->writeAc.miss * + local_result.power.writeOp.dynamic); + return dynamic; +} + +#endif /* CACHEARRAY_H_ */ |