diff options
| author | Tor Aamodt <[email protected]> | 2021-10-17 19:29:19 -0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2021-10-17 19:29:19 -0700 |
| commit | 6b244a5d3be7811f16c312905c1c7fee137ac7a4 (patch) | |
| tree | e82f15238e79a03f3cc2435d4f9bb48d5023e8ae /src/gpuwattch/memoryctrl.cc | |
| parent | da0aef2e38148fb4da2d078de793159b786aee2d (diff) | |
| parent | 84c6cf45131e42b1a724ebf7977987a9ddb70db9 (diff) | |
Merge pull request #237 from VijayKandiah/dev
AccelWattch v1.0 Integration into Dev
Diffstat (limited to 'src/gpuwattch/memoryctrl.cc')
| -rw-r--r-- | src/gpuwattch/memoryctrl.cc | 1263 |
1 files changed, 0 insertions, 1263 deletions
diff --git a/src/gpuwattch/memoryctrl.cc b/src/gpuwattch/memoryctrl.cc deleted file mode 100644 index 2abb1d9..0000000 --- a/src/gpuwattch/memoryctrl.cc +++ /dev/null @@ -1,1263 +0,0 @@ -/***************************************************************************** - * McPAT - * SOFTWARE LICENSE AGREEMENT - * Copyright 2012 Hewlett-Packard Development Company, L.P. - * 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.” - * - ***************************************************************************/ -/******************************************************************** - * Modified by: - ** Jingwen Leng, Univeristy of Texas, Austin * Syed Gilani, - *University of Wisconsin–Madison * Tayler Hetherington, - *University of British Columbia * Ahmed ElTantawy, University of - *British Columbia * - ********************************************************************/ -// clang-format off -#include "io.h" -#include "parameter.h" -#include "const.h" -#include "logic.h" -#include "cacti/basic_circuit.h" -#include <iostream> -#include <algorithm> -#include "XML_Parse.h" -#include <string> -#include <cmath> -#include <assert.h> -#include "memoryctrl.h" -#include "basic_components.h" -// clang-format on -/* overview of MC models: - * McPAT memory controllers are modeled according to large number of industrial - * data points. The Basic memory controller architecture is base on the Synopsis - * designs (DesignWare DDR2/DDR3-Lite memory controllers and DDR2/DDR3-Lite - * protocol controllers) as in Cadence ChipEstimator Tool - * - * An MC has 3 parts as shown in this design. McPAT models both high performance - * MC based on Niagara processor designs and curving and low power MC based on - * data points in Cadence ChipEstimator Tool. - * - * The frontend is modeled analytically, the backend is modeled empirically - * according to DDR2/DDR3-Lite protocol controllers in Cadence ChipEstimator - * Tool The PHY is modeled based on "A 100mW 9.6Gb/s Transceiver in 90nm CMOS - * for next-generation memory interfaces ," ISSCC 2006, and A 14mW 6.25Gb/s - * Transceiver in 90nm CMOS for Serial Chip-to-Chip Communication," ISSCC 2007 - * - * In Cadence ChipEstimator Tool there are two types of memory controllers: the - * full memory controllers that includes the frontend as the DesignWare - * DDR2/DDR3-Lite memory controllers and the backend only memory controllers as - * the DDR2/DDR3-Lite protocol controllers (except DesignWare DDR2/DDR3-Lite - * memory controllers, all memory controller IP in Cadence ChipEstimator Tool - * are backend memory controllers such as DDRC 1600A and DDRC 800A). Thus,to - * some extend the area and power difference between DesignWare DDR2/DDR3-Lite - * memory controllers and DDR2/DDR3-Lite protocol controllers can be an - * estimation to the frontend power and area, which is very close the - * analitically modeled results of the frontend for Niagara2@65nm - * - */ - -MCBackend::MCBackend(InputParameter* interface_ip_, const MCParam& mcp_, - enum MemoryCtrl_type mc_type_) - : l_ip(*interface_ip_), mc_type(mc_type_), mcp(mcp_) { - local_result = init_interface(&l_ip); - compute(); -} - -void MCBackend::compute() { - // double max_row_addr_width = 20.0;//Current address 12~18bits - double C_MCB, mc_power, backend_dyn, - backend_gates; //, refresh_period,refresh_freq;//Equivalent per bit Cap - // for backend, - double pmos_to_nmos_sizing_r = pmos_to_nmos_sz_ratio(); - double NMOS_sizing, PMOS_sizing; - - if (mc_type == MC) { - if (mcp.type == 0) { - // area = - // (2.2927*log(peakDataTransferRate)-14.504)*memDataWidth/144.0*(l_ip.F_sz_um/0.09); - area.set_area((2.7927 * log(mcp.peakDataTransferRate * 2) - 19.862) / - 2.0 * mcp.dataBusWidth / 128.0 * (l_ip.F_sz_um / 0.09) * - mcp.num_channels * 1e6); // um^2 - // assuming the approximately same scaling factor as seen in processors. - // C_MCB=0.2/1.3/1.3/266/64/0.09*g_ip.F_sz_um;//based on AMD Geode - // processor which has a very basic mc on chip. C_MCB - // = 1.6/200/1e6/144/1.2/1.2*g_ip.F_sz_um/0.19;//Based on Niagara power - // numbers.The base power (W) is divided by device frequency and vdd and - // scale to target process. mc_power = 0.0291*2;//29.1mW@200MHz @130nm - // From Power Analysis of SystemLevel OnChip Communication Architectures - // by Lahiri et - mc_power = - 4.32 * - 0.1; // 4.32W@1GhzMHz @65nm Cadence ChipEstimator 10% for backend - C_MCB = mc_power / 1e9 / 72 / 1.1 / 1.1 * l_ip.F_sz_um / 0.065; - power_t.readOp.dynamic = - C_MCB * g_tp.peri_global.Vdd * g_tp.peri_global.Vdd * - (mcp.dataBusWidth /*+mcp.addressBusWidth*/); // per access energy in - // memory controller - power_t.readOp.leakage = - area.get_area() / 2 * (g_tp.scaling_factor.core_tx_density) * - cmos_Isub_leakage(g_tp.min_w_nmos_, - g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r, 1, inv) * - g_tp.peri_global.Vdd; // unit W - power_t.readOp.gate_leakage = - area.get_area() / 2 * (g_tp.scaling_factor.core_tx_density) * - cmos_Ig_leakage(g_tp.min_w_nmos_, - g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r, 1, inv) * - g_tp.peri_global.Vdd; // unit W - - } else { - NMOS_sizing = g_tp.min_w_nmos_; - PMOS_sizing = g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r; - area.set_area(0.15 * mcp.dataBusWidth / 72.0 * (l_ip.F_sz_um / 0.065) * - (l_ip.F_sz_um / 0.065) * mcp.num_channels * 1e6); // um^2 - backend_dyn = - 0.9e-9 / 800e6 * mcp.clockRate / 12800 * mcp.peakDataTransferRate * - mcp.dataBusWidth / 72.0 * g_tp.peri_global.Vdd / 1.1 * - g_tp.peri_global.Vdd / 1.1 * - (l_ip.F_sz_nm / 65.0); // Average on DDR2/3 protocol controller and - // DDRC 1600/800A in Cadence ChipEstimate - // Scaling to technology and DIMM feature. The base IP support - // DDR3-1600(PC3 12800) - backend_gates = 50000 * mcp.dataBusWidth / - 64.0; // 5000 is from Cadence ChipEstimator - - power_t.readOp.dynamic = backend_dyn; - power_t.readOp.leakage = - (backend_gates)*cmos_Isub_leakage(NMOS_sizing, PMOS_sizing, 2, nand) * - g_tp.peri_global.Vdd; // unit W - power_t.readOp.gate_leakage = - (backend_gates)*cmos_Ig_leakage(NMOS_sizing, PMOS_sizing, 2, nand) * - g_tp.peri_global.Vdd; // unit W - } - } else { // skip old model - cout << "Unknown memory controllers" << endl; - exit(0); - area.set_area(0.243 * mcp.dataBusWidth / - 8); // area based on Cadence ChipEstimator for 8bit bus - // mc_power = 4.32*0.1;//4.32W@1GhzMHz @65nm Cadence ChipEstimator 10% for - // backend - C_MCB = mc_power / 1e9 / 72 / 1.1 / 1.1 * l_ip.F_sz_um / 0.065; - power_t.readOp.leakage = - area.get_area() / 2 * (g_tp.scaling_factor.core_tx_density) * - cmos_Isub_leakage(g_tp.min_w_nmos_, - g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r, 1, inv) * - g_tp.peri_global.Vdd; // unit W - power_t.readOp.gate_leakage = - area.get_area() / 2 * (g_tp.scaling_factor.core_tx_density) * - cmos_Ig_leakage(g_tp.min_w_nmos_, - g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r, 1, inv) * - g_tp.peri_global.Vdd; // unit W - power_t.readOp.dynamic *= 1.2; - power_t.readOp.leakage *= 1.2; - power_t.readOp.gate_leakage *= 1.2; - // flash controller has about 20% more backend power since BCH ECC in flash - // is complex and power hungry - } - double long_channel_device_reduction = - longer_channel_device_reduction(Uncore_device); - power_t.readOp.longer_channel_leakage = - power_t.readOp.leakage * long_channel_device_reduction; -} - -void MCBackend::computeEnergy(bool is_tdp) { - // backend uses internal data buswidth - if (is_tdp) { - power.reset(); // Jingwen - // init stats for Peak - stats_t.readAc.access = 0.5 * mcp.num_channels; - stats_t.writeAc.access = 0.5 * mcp.num_channels; - tdp_stats = stats_t; - } else { - rt_power.reset(); // Jingwen - // init stats for runtime power (RTP) - // Jingwen: should use stats from XML object, modified in - // MemoryController::computeEnergy - stats_t.readAc.access = mcp.reads; - stats_t.writeAc.access = mcp.writes; - tdp_stats = stats_t; - } - if (is_tdp) { - power = power_t; - power.readOp.dynamic = (stats_t.readAc.access + stats_t.writeAc.access) * - power_t.readOp.dynamic; - - } else { - rt_power.readOp.dynamic = (stats_t.readAc.access + stats_t.writeAc.access) * - mcp.llcBlockSize * 8.0 / mcp.dataBusWidth * - power_t.readOp.dynamic; - rt_power = rt_power + power_t * pppm_lkg; - rt_power.readOp.dynamic = - rt_power.readOp.dynamic + power.readOp.dynamic * 0.1 * mcp.clockRate * - mcp.num_mcs * mcp.executionTime; - // Assume 10% of peak power is consumed by routine job including memory - // refreshing and scrubbing - } -} - -MCPHY::MCPHY(InputParameter* interface_ip_, const MCParam& mcp_, - enum MemoryCtrl_type mc_type_) - : l_ip(*interface_ip_), mc_type(mc_type_), mcp(mcp_) { - local_result = init_interface(&l_ip); - compute(); -} - -void MCPHY::compute() { - // PHY uses internal data buswidth but the actuall off-chip datawidth is - // 64bits + ecc - double pmos_to_nmos_sizing_r = pmos_to_nmos_sz_ratio(); - /* - * according to "A 100mW 9.6Gb/s Transceiver in 90nm CMOS for next-generation - * memory interfaces ," ISSCC 2006; From Cadence ChipEstimator for normal I/O - * around 0.4~0.8 mW/Gb/s - */ - double power_per_gb_per_s, phy_gates, NMOS_sizing, PMOS_sizing; - - if (mc_type == MC) { - if (mcp.type == 0) { - power_per_gb_per_s = mcp.LVDS ? 0.01 : 0.04; - // Based on die photos from Niagara 1 and 2. - // TODO merge this into undifferentiated core.PHY only achieves square - // root of the ideal scaling. area = - // (6.4323*log(peakDataTransferRate)-34.76)*memDataWidth/128.0*(l_ip.F_sz_um/0.09); - area.set_area((6.4323 * log(mcp.peakDataTransferRate * 2) - 48.134) * - mcp.dataBusWidth / 128.0 * (l_ip.F_sz_um / 0.09) * - mcp.num_channels * 1e6 / 2); // TODO:/2 - // This is from curve fitting based on Niagara 1 and 2's PHY die photo. - // This is power not energy, 10mw/Gb/s @90nm for each channel and scaling - // down power.readOp.dynamic = 0.02*memAccesses*llcBlocksize*8;//change - // from Bytes to bits. - power_t.readOp.dynamic = power_per_gb_per_s * sqrt(l_ip.F_sz_um / 0.09) * - g_tp.peri_global.Vdd / 1.2 * - g_tp.peri_global.Vdd / 1.2; - power_t.readOp.leakage = - area.get_area() / 2 * (g_tp.scaling_factor.core_tx_density) * - cmos_Isub_leakage(g_tp.min_w_nmos_, - g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r, 1, inv) * - g_tp.peri_global.Vdd; // unit W - power_t.readOp.gate_leakage = - area.get_area() / 2 * (g_tp.scaling_factor.core_tx_density) * - cmos_Ig_leakage(g_tp.min_w_nmos_, - g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r, 1, inv) * - g_tp.peri_global.Vdd; // unit W - - } else { - NMOS_sizing = g_tp.min_w_nmos_; - PMOS_sizing = g_tp.min_w_nmos_ * pmos_to_nmos_sizing_r; - // Designware/synopsis 16bit DDR3 PHY is 1.3mm (WITH IOs) at 40nm for upto - // DDR3 2133 (PC3 17066) - double non_IO_percentage = 0.2; - area.set_area(1.3 * non_IO_percentage / 2133.0e6 * mcp.clockRate / 17066 * - mcp.peakDataTransferRate * mcp.dataBusWidth / 16.0 * - (l_ip.F_sz_um / 0.040) * (l_ip.F_sz_um / 0.040) * - mcp.num_channels * 1e6); // um^2 - phy_gates = 200000 * mcp.dataBusWidth / 64.0; - power_per_gb_per_s = 0.01; - // This is power not energy, 10mw/Gb/s @90nm for each channel and scaling - // down - power_t.readOp.dynamic = power_per_gb_per_s * (l_ip.F_sz_um / 0.09) * - g_tp.peri_global.Vdd / 1.2 * - g_tp.peri_global.Vdd / 1.2; - power_t.readOp.leakage = - (mcp.withPHY ? phy_gates : 0) * - cmos_Isub_leakage(NMOS_sizing, PMOS_sizing, 2, nand) * - g_tp.peri_global.Vdd; // unit W - power_t.readOp.gate_leakage = - (mcp.withPHY ? phy_gates : 0) * - cmos_Ig_leakage(NMOS_sizing, PMOS_sizing, 2, nand) * - g_tp.peri_global.Vdd; // unit W - } - - } else { - area.set_area(0.4e6 / 2 * mcp.dataBusWidth / - 8); // area based on Cadence ChipEstimator for 8bit bus - } - - // double phy_factor = (int)ceil(mcp.dataBusWidth/72.0);//Previous phy power - // numbers are based on 72 bit DIMM interface power_t.readOp.dynamic *= - // phy_factor; power_t.readOp.leakage *= phy_factor; - // power_t.readOp.gate_leakage *= phy_factor; - - double long_channel_device_reduction = - longer_channel_device_reduction(Uncore_device); - power_t.readOp.longer_channel_leakage = - power_t.readOp.leakage * long_channel_device_reduction; -} - -void MCPHY::computeEnergy(bool is_tdp) { - if (is_tdp) { - power.reset(); // Jingwen - // init stats for Peak - stats_t.readAc.access = 0.5 * mcp.num_channels; // time share on buses - stats_t.writeAc.access = 0.5 * mcp.num_channels; - tdp_stats = stats_t; - } else { - rt_power.reset(); // Jingwen - // init stats for runtime power (RTP) - // Jingwen: should use stats from XML object, modified in - // MemoryController::computeEnergy - stats_t.readAc.access = mcp.reads; - stats_t.writeAc.access = mcp.writes; - tdp_stats = stats_t; - } - - if (is_tdp) { - double data_transfer_unit = (mc_type == MC) ? 72 : 16; /*DIMM data width*/ - power = power_t; - power.readOp.dynamic = - power.readOp.dynamic * - (mcp.peakDataTransferRate * 8 * 1e6 / 1e9 /*change to Gbs*/) * - mcp.dataBusWidth / data_transfer_unit * mcp.num_channels / - mcp.clockRate; - // divide by clock rate is for match the final computation where *clock is - // used - //(stats_t.readAc.access*power_t.readOp.dynamic+ - // stats_t.writeAc.access*power_t.readOp.dynamic); - - } else { - rt_power = power_t; - // rt_power.readOp.dynamic = - // (stats_t.readAc.access*power_t.readOp.dynamic+ - // stats_t.writeAc.access*power_t.readOp.dynamic); - - rt_power.readOp.dynamic = power_t.readOp.dynamic * - (stats_t.readAc.access + stats_t.writeAc.access) * - (mcp.llcBlockSize) * 8 / 1e9 / mcp.executionTime * - (mcp.executionTime); - rt_power.readOp.dynamic = - rt_power.readOp.dynamic + power.readOp.dynamic * 0.1 * mcp.clockRate * - mcp.num_mcs * mcp.executionTime; - } -} - -MCFrontEnd::MCFrontEnd(ParseXML* XML_interface, InputParameter* interface_ip_, - const MCParam& mcp_, enum MemoryCtrl_type mc_type_) - : XML(XML_interface), - interface_ip(*interface_ip_), - mc_type(mc_type_), - mcp(mcp_), - MC_arb(0), - frontendBuffer(0), - readBuffer(0), - writeBuffer(0), - coalesce_scale(1.0) { - /* All computations are for a single MC - * - */ - - int tag, data; - bool is_default = true; // indication for default setup - - /* MC frontend engine channels share the same engines but logically - * partitioned For all hardware inside MC. different channels do not share - * resources. - * TODO: add docodeing/mux stage to steer memory requests to different - * channels. - */ - - // memory request reorder buffer - tag = mcp.addressBusWidth + EXTRA_TAG_BITS + mcp.opcodeW; - data = int(ceil((XML->sys.physical_address_width + mcp.opcodeW) / 8.0)); - interface_ip.cache_sz = data * XML->sys.mc.req_window_size_per_channel; - interface_ip.line_sz = data; - interface_ip.assoc = 0; - interface_ip.nbanks = 1; - interface_ip.out_w = interface_ip.line_sz * 8; - interface_ip.specific_tag = 1; - interface_ip.tag_w = tag; - interface_ip.access_mode = 0; - interface_ip.throughput = 1.0 / mcp.clockRate; - interface_ip.latency = 1.0 / mcp.clockRate; - interface_ip.is_cache = true; - interface_ip.pure_cam = false; - interface_ip.pure_ram = false; - interface_ip.obj_func_dyn_energy = 0; - interface_ip.obj_func_dyn_power = 0; - interface_ip.obj_func_leak_power = 0; - interface_ip.obj_func_cycle_t = 1; - interface_ip.num_rw_ports = 0; - interface_ip.num_rd_ports = XML->sys.mc.memory_channels_per_mc; - interface_ip.num_wr_ports = interface_ip.num_rd_ports; - interface_ip.num_se_rd_ports = 0; - interface_ip.num_search_ports = XML->sys.mc.memory_channels_per_mc; - frontendBuffer = - new ArrayST(&interface_ip, "MC ReorderBuffer", Uncore_device); - frontendBuffer->area.set_area(frontendBuffer->area.get_area() + - frontendBuffer->local_result.area * - XML->sys.mc.memory_channels_per_mc); - area.set_area(area.get_area() + frontendBuffer->local_result.area * - XML->sys.mc.memory_channels_per_mc); - - // selection and arbitration logic - MC_arb = - new selection_logic(is_default, XML->sys.mc.req_window_size_per_channel, - 1, &interface_ip, Uncore_device); - - // read buffers. - data = - (int)ceil(mcp.dataBusWidth / 8.0); // Support key words first operation - // //8 means converting bit to Byte - interface_ip.cache_sz = - data * XML->sys.mc.IO_buffer_size_per_channel; //*llcBlockSize; - interface_ip.line_sz = data; - interface_ip.assoc = 1; - interface_ip.nbanks = 1; - interface_ip.out_w = interface_ip.line_sz * 8; - interface_ip.access_mode = 1; - interface_ip.throughput = 1.0 / mcp.clockRate; - interface_ip.latency = 2.0 / mcp.clockRate; - interface_ip.is_cache = false; - interface_ip.pure_cam = false; - interface_ip.pure_ram = true; - interface_ip.obj_func_dyn_energy = 0; - interface_ip.obj_func_dyn_power = 0; - interface_ip.obj_func_leak_power = 0; - interface_ip.obj_func_cycle_t = 1; - interface_ip.num_rw_ports = - 0; // XML->sys.mc.memory_channels_per_mc*2>2?2:XML->sys.mc.memory_channels_per_mc*2; - interface_ip.num_rd_ports = XML->sys.mc.memory_channels_per_mc; - interface_ip.num_wr_ports = interface_ip.num_rd_ports; - interface_ip.num_se_rd_ports = 0; - readBuffer = new ArrayST(&interface_ip, "MC ReadBuffer", Uncore_device); - readBuffer->area.set_area(readBuffer->area.get_area() + - readBuffer->local_result.area * - XML->sys.mc.memory_channels_per_mc); - area.set_area(area.get_area() + readBuffer->local_result.area * - XML->sys.mc.memory_channels_per_mc); - - // write buffer - data = - (int)ceil(mcp.dataBusWidth / 8.0); // Support key words first operation - // //8 means converting bit to Byte - interface_ip.cache_sz = - data * XML->sys.mc.IO_buffer_size_per_channel; //*llcBlockSize; - interface_ip.line_sz = data; - interface_ip.assoc = 1; - interface_ip.nbanks = 1; - interface_ip.out_w = interface_ip.line_sz * 8; - interface_ip.access_mode = 0; - interface_ip.throughput = 1.0 / mcp.clockRate; - interface_ip.latency = 2.0 / mcp.clockRate; - interface_ip.obj_func_dyn_energy = 0; - interface_ip.obj_func_dyn_power = 0; - interface_ip.obj_func_leak_power = 0; - interface_ip.obj_func_cycle_t = 1; - interface_ip.num_rw_ports = 0; - interface_ip.num_rd_ports = XML->sys.mc.memory_channels_per_mc; - interface_ip.num_wr_ports = interface_ip.num_rd_ports; - interface_ip.num_se_rd_ports = 0; - writeBuffer = new ArrayST(&interface_ip, "MC writeBuffer", Uncore_device); - writeBuffer->area.set_area(writeBuffer->area.get_area() + - writeBuffer->local_result.area * - XML->sys.mc.memory_channels_per_mc); - area.set_area(area.get_area() + writeBuffer->local_result.area * - XML->sys.mc.memory_channels_per_mc); - - // SRAM structures for memory coalescing --Syed Gilani - // Pending Request Table (base addresses, offset addresses, threads IDs), - // Thread Masks - //***PRT - // We assume 24 bits of base address and 8 bits of offset address. - // THese values are used for coalesing memory requests to the same base - // address block. TIDs are assumed to be 8 bits - /*Contents of each PRT entry - * - * Warp ID (6 bits) | Memory address (32 bits) per thread | Request Size - * (2-bits) per thread | line size= 6+ 32*16 + 2*16 ~ 64 bytes - * - * - */ - data = - 64; // Support key words first operation //8 means converting bit to Byte - interface_ip.cache_sz = data * XML->sys.mc.PRT_entries; // PRT table; - interface_ip.line_sz = data; - interface_ip.assoc = 1; - interface_ip.nbanks = 1; - interface_ip.out_w = interface_ip.line_sz * 8; - interface_ip.access_mode = 0; - interface_ip.throughput = 1.0 / XML->sys.target_core_clockrate; - interface_ip.latency = 2.0 / XML->sys.target_core_clockrate; - interface_ip.obj_func_dyn_energy = 0; - interface_ip.obj_func_dyn_power = 0; - interface_ip.obj_func_leak_power = 0; - interface_ip.obj_func_cycle_t = 1; - interface_ip.num_rw_ports = 0; - interface_ip.num_rd_ports = 1; - interface_ip.num_wr_ports = 1; - interface_ip.num_se_rd_ports = 0; - PRT = new ArrayST(&interface_ip, "MC PRT", Uncore_device); - PRT->area.set_area(PRT->area.get_area() + - PRT->local_result.area * - XML->sys.mc.memory_channels_per_mc); - area.set_area(area.get_area() + - PRT->local_result.area * XML->sys.mc.memory_channels_per_mc); - - //***ThreadMasks storage (coalesced threads whose memory requests are - // satisfied by each memory access) - /* contents of the thread masks Array - * 16-bit bit masks for up to 16 memory requests of a warp | Number of - * pending memory requests (5 bits) - * - * 16*PRT_entry thread Mask, each entry has 16 mask bits. - * - */ - data = 2; - interface_ip.cache_sz = data * XML->sys.mc.PRT_entries * 16; // PRT table; - interface_ip.line_sz = data; - interface_ip.assoc = 1; - interface_ip.nbanks = 1; - interface_ip.out_w = interface_ip.line_sz * 8; - interface_ip.access_mode = 0; - interface_ip.throughput = 1.0 / XML->sys.target_core_clockrate; - interface_ip.latency = 2.0 / XML->sys.target_core_clockrate; - interface_ip.obj_func_dyn_energy = 0; - interface_ip.obj_func_dyn_power = 0; - interface_ip.obj_func_leak_power = 0; - interface_ip.obj_func_cycle_t = 1; - interface_ip.num_rw_ports = 0; - interface_ip.num_rd_ports = 1; - interface_ip.num_wr_ports = 1; - interface_ip.num_se_rd_ports = 0; - threadMasks = new ArrayST(&interface_ip, "MC ThreadMasks", Uncore_device); - threadMasks->area.set_area(threadMasks->area.get_area() + - threadMasks->local_result.area * - XML->sys.mc.memory_channels_per_mc); - area.set_area(area.get_area() + threadMasks->local_result.area * - XML->sys.mc.memory_channels_per_mc); - - //***Numer of pending requests per PRT entry - /* - * 1-byte data, PRT entries deep - */ - data = 1; - interface_ip.cache_sz = data * XML->sys.mc.PRT_entries; // PRT table; - interface_ip.line_sz = data; - interface_ip.assoc = 1; - interface_ip.nbanks = 1; - interface_ip.out_w = interface_ip.line_sz * 8; - interface_ip.access_mode = 0; - interface_ip.throughput = 1.0 / XML->sys.target_core_clockrate; - interface_ip.latency = 2.0 / XML->sys.target_core_clockrate; - interface_ip.obj_func_dyn_energy = 0; - interface_ip.obj_func_dyn_power = 0; - interface_ip.obj_func_leak_power = 0; - interface_ip.obj_func_cycle_t = 1; - interface_ip.num_rw_ports = 0; - interface_ip.num_rd_ports = 1; - interface_ip.num_wr_ports = 1; - interface_ip.num_se_rd_ports = 0; - PRC = new ArrayST(&interface_ip, "MC PendingRequestCount", Uncore_device); - PRC->area.set_area(PRC->area.get_area() + - PRC->local_result.area * - XML->sys.mc.memory_channels_per_mc); - area.set_area(area.get_area() + - PRC->local_result.area * XML->sys.mc.memory_channels_per_mc); -} - -void DRAM::computeEnergy(bool is_tdp) { - if (is_tdp) { - power.reset(); - return; /// not supporting TDP calculation for DRAM - } - rt_power.reset(); - dramp.executionTime = - XML->sys.total_cycles / (XML->sys.target_core_clockrate * 1e6); - - power_t.reset(); - power_t.readOp.dynamic += XML->sys.mc.memory_reads * dramp.rd_coeff; - power_t.readOp.dynamic += XML->sys.mc.memory_writes * dramp.wr_coeff; - power_t.readOp.dynamic += XML->sys.mc.dram_pre * dramp.pre_coeff; - - rt_power = rt_power + power_t; -} - -void MCFrontEnd::computeEnergy(bool is_tdp) { - if (is_tdp) { - power.reset(); - // init stats for Peak - frontendBuffer->stats_t.readAc.access = - frontendBuffer->l_ip.num_search_ports; - frontendBuffer->stats_t.writeAc.access = frontendBuffer->l_ip.num_wr_ports; - frontendBuffer->tdp_stats = frontendBuffer->stats_t; - - readBuffer->stats_t.readAc.access = - readBuffer->l_ip.num_rd_ports * mcp.frontend_duty_cycle; - readBuffer->stats_t.writeAc.access = - readBuffer->l_ip.num_wr_ports * mcp.frontend_duty_cycle; - readBuffer->tdp_stats = readBuffer->stats_t; - - writeBuffer->stats_t.readAc.access = - writeBuffer->l_ip.num_rd_ports * mcp.frontend_duty_cycle; - writeBuffer->stats_t.writeAc.access = - writeBuffer->l_ip.num_wr_ports * mcp.frontend_duty_cycle; - writeBuffer->tdp_stats = writeBuffer->stats_t; - - PRT->stats_t.readAc.access = - PRT->l_ip.num_rd_ports * mcp.frontend_duty_cycle; - PRT->stats_t.writeAc.access = - PRT->l_ip.num_wr_ports * mcp.frontend_duty_cycle; - PRT->tdp_stats = PRT->stats_t; - - threadMasks->stats_t.readAc.access = - threadMasks->l_ip.num_rd_ports * mcp.frontend_duty_cycle; - threadMasks->stats_t.writeAc.access = - threadMasks->l_ip.num_wr_ports * mcp.frontend_duty_cycle; - threadMasks->tdp_stats = threadMasks->stats_t; - - PRC->stats_t.readAc.access = - threadMasks->l_ip.num_rd_ports * mcp.frontend_duty_cycle; - PRC->stats_t.writeAc.access = - threadMasks->l_ip.num_wr_ports * mcp.frontend_duty_cycle; - PRC->tdp_stats = threadMasks->stats_t; - - } else { - rt_power.reset(); // Jingwen - // init stats for runtime power (RTP) - frontendBuffer->stats_t.readAc.access = - XML->sys.mc.memory_reads * mcp.llcBlockSize * 8.0 / mcp.dataBusWidth * - mcp.dataBusWidth / 72; - // For each channel, each memory word need to check the address data to - // achieve best scheduling results. and this need to be done on all physical - // DIMMs in each logical memory DIMM *mcp.dataBusWidth/72 - frontendBuffer->stats_t.writeAc.access = - XML->sys.mc.memory_writes * mcp.llcBlockSize * 8.0 / mcp.dataBusWidth * - mcp.dataBusWidth / 72; - frontendBuffer->rtp_stats = frontendBuffer->stats_t; - - readBuffer->stats_t.readAc.access = - XML->sys.mc.memory_reads * mcp.llcBlockSize * 8.0 / - mcp.dataBusWidth; // support key word first - readBuffer->stats_t.writeAc.access = - XML->sys.mc.memory_reads * mcp.llcBlockSize * 8.0 / - mcp.dataBusWidth; // support key word first - readBuffer->rtp_stats = readBuffer->stats_t; - - writeBuffer->stats_t.readAc.access = - XML->sys.mc.memory_writes * mcp.llcBlockSize * 8.0 / mcp.dataBusWidth; - writeBuffer->stats_t.writeAc.access = - XML->sys.mc.memory_writes * mcp.llcBlockSize * 8.0 / mcp.dataBusWidth; - writeBuffer->rtp_stats = writeBuffer->stats_t; - - // Pending request table - // Co-alesce all misses in caches and add an entry for them in PRT - // TODO: Change 0 to ithCore and move to LSU (Syed) - // TODO: Do these accesses represent coalesced accesses? - PRT->stats_t.readAc.access = XML->sys.core[0].dcache.read_accesses + - XML->sys.core[0].ccache.read_accesses + - XML->sys.core[0].tcache.read_accesses; - PRT->stats_t.writeAc.access = XML->sys.core[0].dcache.write_accesses + - XML->sys.core[0].ccache.write_accesses + - XML->sys.core[0].tcache.write_accesses; - PRT->rtp_stats = PRT->stats_t; - - threadMasks->stats_t.readAc.access = XML->sys.core[0].dcache.read_accesses + - XML->sys.core[0].ccache.read_accesses + - XML->sys.core[0].tcache.read_accesses; - threadMasks->stats_t.writeAc.access = - XML->sys.core[0].dcache.write_accesses + - XML->sys.core[0].ccache.write_accesses + - XML->sys.core[0].tcache.write_accesses; - threadMasks->rtp_stats = threadMasks->stats_t; - - PRC->stats_t.readAc.access = XML->sys.core[0].dcache.read_accesses + - XML->sys.core[0].ccache.read_accesses + - XML->sys.core[0].tcache.read_accesses; - PRC->stats_t.writeAc.access = XML->sys.core[0].dcache.write_accesses + - XML->sys.core[0].ccache.write_accesses + - XML->sys.core[0].tcache.write_accesses; - PRC->rtp_stats = threadMasks->stats_t; - } - - frontendBuffer->power_t.reset(); - readBuffer->power_t.reset(); - writeBuffer->power_t.reset(); - threadMasks->power_t.reset(); - PRT->power_t.reset(); - PRC->power_t.reset(); - - // frontendBuffer->power_t.readOp.dynamic += - //(frontendBuffer->stats_t.readAc.access* - // (frontendBuffer->local_result.power.searchOp.dynamic+frontendBuffer->local_result.power.readOp.dynamic)+ - // frontendBuffer->stats_t.writeAc.access*frontendBuffer->local_result.power.writeOp.dynamic); - - frontendBuffer->power_t.readOp.dynamic += - (frontendBuffer->stats_t.readAc.access + - frontendBuffer->stats_t.writeAc.access) * - frontendBuffer->local_result.power.searchOp.dynamic + - frontendBuffer->stats_t.readAc.access * - frontendBuffer->local_result.power.readOp.dynamic + - frontendBuffer->stats_t.writeAc.access * - frontendBuffer->local_result.power.writeOp.dynamic; - - readBuffer->power_t.readOp.dynamic += - (readBuffer->stats_t.readAc.access * - readBuffer->local_result.power.readOp.dynamic + - readBuffer->stats_t.writeAc.access * - readBuffer->local_result.power.writeOp.dynamic); - writeBuffer->power_t.readOp.dynamic += - (writeBuffer->stats_t.readAc.access * - writeBuffer->local_result.power.readOp.dynamic + - writeBuffer->stats_t.writeAc.access * - writeBuffer->local_result.power.writeOp.dynamic); - - PRT->power_t.readOp.dynamic += - (PRT->stats_t.readAc.access * PRT->local_result.power.readOp.dynamic + - PRT->stats_t.writeAc.access * PRT->local_result.power.writeOp.dynamic); - - threadMasks->power_t.readOp.dynamic += - (threadMasks->stats_t.readAc.access * - threadMasks->local_result.power.readOp.dynamic + - threadMasks->stats_t.writeAc.access * - threadMasks->local_result.power.writeOp.dynamic); - - PRC->power_t.readOp.dynamic += - (PRC->stats_t.readAc.access * PRC->local_result.power.readOp.dynamic + - PRC->stats_t.writeAc.access * PRC->local_result.power.writeOp.dynamic); - - // Add coalescing logic power (Estimated from Verilog HDL description and - // Synopsys PowerCompiler)--Syed -#define COALESCE_SCALE 1 - double perAccessCoalescingEnergy = - coalesce_scale * - ((0.443e-3) * (0.5e-9) * g_tp.peri_global.Vdd * g_tp.peri_global.Vdd) / - (1 * 1); - threadMasks->power_t.readOp.dynamic += (threadMasks->stats_t.readAc.access + - threadMasks->stats_t.writeAc.access) * - perAccessCoalescingEnergy; - - // printf("***PRT: %10.30f, threadMasks: %10.30f, PRC: - // %10.30f\n",PRT->power_t.readOp.dynamic,threadMasks->power_t.readOp.dynamic,PRC->power_t.readOp.dynamic); - // printf("***Accesses: read:%lf - // write:%lf\n",threadMasks->stats_t.readAc.access, - // threadMasks->stats_t.writeAc.access); - if (is_tdp) { - power = - power + frontendBuffer->power_t + readBuffer->power_t + - writeBuffer->power_t + PRT->power_t + threadMasks->power_t + - PRC->power_t + - (frontendBuffer->local_result.power + readBuffer->local_result.power + - writeBuffer->local_result.power + PRT->local_result.power + - threadMasks->local_result.power + PRC->local_result.power) * - pppm_lkg; - - } else { - rt_power = - rt_power + frontendBuffer->power_t + readBuffer->power_t + - writeBuffer->power_t + PRT->power_t + threadMasks->power_t + - PRC->power_t + - (frontendBuffer->local_result.power + readBuffer->local_result.power + - writeBuffer->local_result.power + PRT->local_result.power + - threadMasks->local_result.power + PRC->local_result.power) * - pppm_lkg; - rt_power.readOp.dynamic = - rt_power.readOp.dynamic + power.readOp.dynamic * 0.1 * mcp.clockRate * - mcp.num_mcs * mcp.executionTime; - } -} - -void MCFrontEnd::displayEnergy(uint32_t indent, int plevel, bool is_tdp) { - string indent_str(indent, ' '); - string indent_str_next(indent + 2, ' '); - - if (is_tdp) { - cout << indent_str << "Front End ROB:" << endl; - cout << indent_str_next - << "Area = " << frontendBuffer->area.get_area() * 1e-6 << " mm^2" - << endl; - cout << indent_str_next << "Peak Dynamic = " - << frontendBuffer->power.readOp.dynamic * mcp.clockRate << " W" - << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << frontendBuffer->power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << frontendBuffer->power.readOp.gate_leakage - << " W" << endl; - cout << indent_str_next << "Runtime Dynamic = " - << frontendBuffer->rt_power.readOp.dynamic / mcp.executionTime << " W" - << endl; - - cout << endl; - cout << indent_str << "Read Buffer:" << endl; - cout << indent_str_next << "Area = " << readBuffer->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next << "Peak Dynamic = " - << readBuffer->power.readOp.dynamic * mcp.clockRate << " W" << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << readBuffer->power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << readBuffer->power.readOp.gate_leakage << " W" - << endl; - cout << indent_str_next << "Runtime Dynamic = " - << readBuffer->rt_power.readOp.dynamic / mcp.executionTime << " W" - << endl; - cout << endl; - cout << indent_str << "Write Buffer:" << endl; - cout << indent_str_next << "Area = " << writeBuffer->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next << "Peak Dynamic = " - << writeBuffer->power.readOp.dynamic * mcp.clockRate << " W" << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << writeBuffer->power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << writeBuffer->power.readOp.gate_leakage << " W" - << endl; - cout << indent_str_next << "Runtime Dynamic = " - << writeBuffer->rt_power.readOp.dynamic / mcp.executionTime << " W" - << endl; - cout << endl; - cout << indent_str << "PRT:" << endl; - cout << indent_str_next << "Area = " << PRT->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next - << "Peak Dynamic = " << PRT->power.readOp.dynamic * mcp.clockRate - << " W" << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << PRT->power.readOp.leakage << " W" - << endl; - cout << indent_str_next - << "Gate Leakage = " << PRT->power.readOp.gate_leakage << " W" << endl; - cout << indent_str_next << "Runtime Dynamic = " - << PRT->rt_power.readOp.dynamic / mcp.executionTime << " W" << endl; - cout << endl; - cout << indent_str << "Thread Masks and coalescing logic:" << endl; - cout << indent_str_next << "Area = " << threadMasks->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next << "Peak Dynamic = " - << threadMasks->power.readOp.dynamic * mcp.clockRate << " W" << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << threadMasks->power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << threadMasks->power.readOp.gate_leakage << " W" - << endl; - cout << indent_str_next << "Runtime Dynamic = " - << threadMasks->rt_power.readOp.dynamic / mcp.executionTime << " W" - << endl; - cout << endl; - - } else { - cout << indent_str << "Front End ROB:" << endl; - cout << indent_str_next - << "Area = " << frontendBuffer->area.get_area() * 1e-6 << " mm^2" - << endl; - cout << indent_str_next << "Peak Dynamic = " - << frontendBuffer->rt_power.readOp.dynamic * mcp.clockRate << " W" - << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << frontendBuffer->rt_power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << frontendBuffer->rt_power.readOp.gate_leakage - << " W" << endl; - cout << endl; - cout << indent_str << "Read Buffer:" << endl; - cout << indent_str_next << "Area = " << readBuffer->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next << "Peak Dynamic = " - << readBuffer->rt_power.readOp.dynamic * mcp.clockRate << " W" << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << readBuffer->rt_power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << readBuffer->rt_power.readOp.gate_leakage - << " W" << endl; - cout << endl; - cout << indent_str << "Write Buffer:" << endl; - cout << indent_str_next << "Area = " << writeBuffer->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next << "Peak Dynamic = " - << writeBuffer->rt_power.readOp.dynamic * mcp.clockRate << " W" - << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << writeBuffer->rt_power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << writeBuffer->rt_power.readOp.gate_leakage - << " W" << endl; - cout << endl; - cout << indent_str << "PRT:" << endl; - cout << indent_str_next << "Area = " << PRT->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next - << "Peak Dynamic = " << PRT->rt_power.readOp.dynamic * mcp.clockRate - << " W" << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << PRT->rt_power.readOp.leakage << " W" - << endl; - cout << indent_str_next - << "Gate Leakage = " << PRT->rt_power.readOp.gate_leakage << " W" - << endl; - cout << endl; - cout << indent_str << "Thread masks and coalescing logic:" << endl; - cout << indent_str_next << "Area = " << threadMasks->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next << "Peak Dynamic = " - << threadMasks->rt_power.readOp.dynamic * mcp.clockRate << " W" - << endl; - cout << indent_str_next - << "Subthreshold Leakage = " << threadMasks->rt_power.readOp.leakage - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << threadMasks->rt_power.readOp.gate_leakage - << " W" << endl; - } -} - -DRAM::DRAM(ParseXML* XML_interface, InputParameter* interface_ip_, - enum Dram_type dram_type_) - : XML(XML_interface), interface_ip(*interface_ip_), dram_type(dram_type_) { - set_dram_param(); -} -MemoryController::MemoryController(ParseXML* XML_interface, - InputParameter* interface_ip_, - enum MemoryCtrl_type mc_type_, - enum Dram_type dram_type_) - : XML(XML_interface), - interface_ip(*interface_ip_), - mc_type(mc_type_), - frontend(0), - transecEngine(0), - PHY(0), - pipeLogic(0) { - /* All computations are for a single MC - * - */ - interface_ip.wire_is_mat_type = 2; - interface_ip.wire_os_mat_type = 2; - interface_ip.wt = Global; - set_mc_param(); - frontend = new MCFrontEnd(XML, &interface_ip, mcp, mc_type); - dram = new DRAM(XML, &interface_ip, dram_type_); - area.set_area(area.get_area() + frontend->area.get_area()); - transecEngine = new MCBackend(&interface_ip, mcp, mc_type); - area.set_area(area.get_area() + transecEngine->area.get_area()); - if (mcp.type == 0 || (mcp.type == 1 && mcp.withPHY)) { - PHY = new MCPHY(&interface_ip, mcp, mc_type); - area.set_area(area.get_area() + PHY->area.get_area()); - } - //+++++++++Transaction engine +++++++++++++++++ ////TODO needs better numbers, - // Run the RTL code from OpenSparc. - // transecEngine.initialize(&interface_ip); - // transecEngine.peakDataTransferRate = XML->sys.mem.peak_transfer_rate; - // transecEngine.memDataWidth = dataBusWidth; - // transecEngine.memRank = XML->sys.mem.number_ranks; - // //transecEngine.memAccesses=XML->sys.mc.memory_accesses; - // //transecEngine.llcBlocksize=llcBlockSize; - // transecEngine.compute(); - // transecEngine.area.set_area(XML->sys.mc.memory_channels_per_mc*transecEngine.area.get_area()) - // ; area.set_area(area.get_area()+ transecEngine.area.get_area()); - // ///cout<<"area="<<area<<endl; - //// - // //++++++++++++++PHY ++++++++++++++++++++++++++ //TODO needs better numbers - // PHY.initialize(&interface_ip); - // PHY.peakDataTransferRate = XML->sys.mem.peak_transfer_rate; - // PHY.memDataWidth = dataBusWidth; - // //PHY.memAccesses=PHY.peakDataTransferRate;//this is the max power - // //PHY.llcBlocksize=llcBlockSize; - // PHY.compute(); - // PHY.area.set_area(XML->sys.mc.memory_channels_per_mc*PHY.area.get_area()) - // ; area.set_area(area.get_area()+ PHY.area.get_area()); - /// cout<<"area="<<area<<endl; - // - // interface_ip.pipeline_stages = 5;//normal memory controller has five - // stages in the pipeline. interface_ip.per_stage_vector = addressBusWidth + - // XML->sys.core[0].opcode_width + dataBusWidth; pipeLogic = new - // pipeline(is_default, &interface_ip); - // //pipeLogic.init_pipeline(is_default, &interface_ip); - // pipeLogic->compute_pipeline(); - // area.set_area(area.get_area()+ pipeLogic->area.get_area()*1e-6); - // area.set_area((area.get_area()+mc_area*1e-6)*1.1);//placement and routing - // overhead - // - // - //// //clock - //// clockNetwork.init_wire_external(is_default, &interface_ip); - //// clockNetwork.clk_area =area*1.1;//10% of placement overhead. - /// rule of thumb / clockNetwork.end_wiring_level =5;//toplevel metal / - /// clockNetwork.start_wiring_level =5;//toplevel metal / - /// clockNetwork.num_regs = pipeLogic.tot_stage_vector; / - /// clockNetwork.optimize_wire(); -} -void MemoryController::computeEnergy(bool is_tdp) { - rt_power.reset(); // Jingwen - frontend->rt_power.reset(); - transecEngine->rt_power.reset(); - dram->rt_power.reset(); - mcp.executionTime = XML->sys.total_cycles / - (XML->sys.target_core_clockrate * 1e6); // Jingwen - frontend->mcp.executionTime = - XML->sys.total_cycles / - (XML->sys.target_core_clockrate * 1e6); // Jingwen - transecEngine->mcp.executionTime = - XML->sys.total_cycles / - (XML->sys.target_core_clockrate * 1e6); // Jingwen - - /*Jingwen: give stats for backend and phy */ - transecEngine->mcp.reads = XML->sys.mc.memory_reads; - transecEngine->mcp.writes = XML->sys.mc.memory_writes; - - // set_mc_param(); - - frontend->computeEnergy(is_tdp); - transecEngine->computeEnergy(is_tdp); - dram->computeEnergy(is_tdp); - if (mcp.type == 0 || (mcp.type == 1 && mcp.withPHY)) { - if (!is_tdp) PHY->rt_power.reset(); // Jingwen - PHY->mcp.reads = XML->sys.mc.memory_reads; - PHY->mcp.writes = XML->sys.mc.memory_writes; - PHY->mcp.executionTime = XML->sys.total_cycles / - (XML->sys.target_core_clockrate * 1e6); // Jingwen - PHY->computeEnergy(is_tdp); - } - if (is_tdp) { - power = power + frontend->power + transecEngine->power; - if (mcp.type == 0 || (mcp.type == 1 && mcp.withPHY)) { - power = power + PHY->power; - } - } else { - rt_power = rt_power + frontend->rt_power + transecEngine->rt_power + - dram->rt_power; - if (mcp.type == 0 || (mcp.type == 1 && mcp.withPHY)) { - rt_power = rt_power + PHY->rt_power; - } - } -} - -void MemoryController::displayEnergy(uint32_t indent, int plevel, bool is_tdp) { - string indent_str(indent, ' '); - string indent_str_next(indent + 2, ' '); - bool long_channel = XML->sys.longer_channel_device; - - if (is_tdp) { - cout << "Memory Controller:" << endl; - cout << indent_str << "Area = " << area.get_area() * 1e-6 << " mm^2" - << endl; - cout << indent_str - << "Peak Dynamic = " << power.readOp.dynamic * mcp.clockRate << " W" - << endl; - cout << indent_str << "Subthreshold Leakage = " - << (long_channel ? power.readOp.longer_channel_leakage - : power.readOp.leakage) - << " W" << endl; - // cout << indent_str<< "Subthreshold Leakage = " << - // power.readOp.longer_channel_leakage <<" W" << endl; - cout << indent_str << "Gate Leakage = " << power.readOp.gate_leakage << " W" - << endl; - cout << indent_str - << "Runtime Dynamic = " << rt_power.readOp.dynamic / mcp.executionTime - << " W" << endl; - cout << endl; - cout << indent_str << "Front End Engine:" << endl; - cout << indent_str_next << "Area = " << frontend->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next - << "Peak Dynamic = " << frontend->power.readOp.dynamic * mcp.clockRate - << " W" << endl; - cout << indent_str_next << "Subthreshold Leakage = " - << (long_channel ? frontend->power.readOp.longer_channel_leakage - : frontend->power.readOp.leakage) - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << frontend->power.readOp.gate_leakage << " W" - << endl; - cout << indent_str_next << "Runtime Dynamic = " - << frontend->rt_power.readOp.dynamic / mcp.executionTime << " W" - << endl; - cout << endl; - // if (plevel >2){ - frontend->displayEnergy(indent + 4, is_tdp); - //} - cout << indent_str << "Transaction Engine:" << endl; - cout << indent_str_next - << "Area = " << transecEngine->area.get_area() * 1e-6 << " mm^2" - << endl; - cout << indent_str_next << "Peak Dynamic = " - << transecEngine->power.readOp.dynamic * mcp.clockRate << " W" << endl; - cout << indent_str_next << "Subthreshold Leakage = " - << (long_channel ? transecEngine->power.readOp.longer_channel_leakage - : transecEngine->power.readOp.leakage) - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << transecEngine->power.readOp.gate_leakage - << " W" << endl; - cout << indent_str_next << "Runtime Dynamic = " - << transecEngine->rt_power.readOp.dynamic / mcp.executionTime << " W" - << endl; - cout << endl; - if (mcp.type == 0 || (mcp.type == 1 && mcp.withPHY)) { - cout << indent_str << "PHY:" << endl; - cout << indent_str_next << "Area = " << PHY->area.get_area() * 1e-6 - << " mm^2" << endl; - cout << indent_str_next - << "Peak Dynamic = " << PHY->power.readOp.dynamic * mcp.clockRate - << " W" << endl; - cout << indent_str_next << "Subthreshold Leakage = " - << (long_channel ? PHY->power.readOp.longer_channel_leakage - : PHY->power.readOp.leakage) - << " W" << endl; - cout << indent_str_next - << "Gate Leakage = " << PHY->power.readOp.gate_leakage << " W" - << endl; - cout << indent_str_next << "Runtime Dynamic = " - << PHY->rt_power.readOp.dynamic / mcp.executionTime << " W" << endl; - cout << endl; - } - } else { - cout << "Memory Controller:" << endl; - cout << indent_str_next << "Area = " << area.get_area() * 1e-6 << " mm^2" - << endl; - cout << indent_str_next - << "Peak Dynamic = " << power.readOp.dynamic * mcp.clockRate << " W" - << endl; - cout << indent_str_next << "Subthreshold Leakage = " << power.readOp.leakage - << " W" << endl; - cout << indent_str_next << "Gate Leakage = " << power.readOp.gate_leakage - << " W" << endl; - cout << endl; - } -} - -void DRAM::set_dram_param() { - dramp.cmd_coeff = XML->sys.mc.dram_rd_coeff; - dramp.act_coeff = XML->sys.mc.dram_act_coeff; - dramp.nop_coeff = XML->sys.mc.dram_nop_coeff; - dramp.activity_coeff = XML->sys.mc.dram_activity_coeff; - dramp.pre_coeff = XML->sys.mc.dram_pre_coeff; - dramp.rd_coeff = XML->sys.mc.dram_rd_coeff; - dramp.wr_coeff = XML->sys.mc.dram_wr_coeff; - dramp.req_coeff = XML->sys.mc.dram_req_coeff; - dramp.const_coeff = XML->sys.mc.dram_const_coeff; -} - -void MemoryController::set_mc_param() { - if (mc_type == MC) { - mcp.clockRate = XML->sys.mc.mc_clock * 2; // DDR double pumped - mcp.clockRate *= 1e6; - mcp.executionTime = - XML->sys.total_cycles / (XML->sys.target_core_clockrate * 1e6); - - mcp.llcBlockSize = int(ceil(XML->sys.mc.llc_line_length / 8.0)) + - XML->sys.mc.llc_line_length; // ecc overhead - mcp.dataBusWidth = - int(ceil(XML->sys.mc.databus_width / 8.0)) + XML->sys.mc.databus_width; - mcp.addressBusWidth = int(ceil( - XML->sys.mc.addressbus_width)); // XML->sys.physical_address_width; - mcp.opcodeW = 16; - mcp.num_mcs = XML->sys.mc.number_mcs; - mcp.num_channels = XML->sys.mc.memory_channels_per_mc; - mcp.reads = XML->sys.mc.memory_reads; - mcp.writes = XML->sys.mc.memory_writes; - //+++++++++Transaction engine +++++++++++++++++ ////TODO needs better - // numbers, Run the RTL code from OpenSparc. - mcp.peakDataTransferRate = XML->sys.mc.peak_transfer_rate; - mcp.memRank = XML->sys.mc.number_ranks; - //++++++++++++++PHY ++++++++++++++++++++++++++ //TODO needs better numbers - // PHY.memAccesses=PHY.peakDataTransferRate;//this is the max power - // PHY.llcBlocksize=llcBlockSize; - mcp.frontend_duty_cycle = 0.5; // for max power, the actual off-chip links - // is bidirectional but time shared - mcp.LVDS = XML->sys.mc.LVDS; - mcp.type = XML->sys.mc.type; - mcp.withPHY = XML->sys.mc.withPHY; - } - // else if (mc_type==FLASHC) - // { - // mcp.clockRate =XML->sys.flashc.mc_clock*2;//DDR double - // pumped mcp.clockRate *= 1e6; mcp.executionTime = - // XML->sys.total_cycles/(XML->sys.target_core_clockrate*1e6); - // - // mcp.llcBlockSize - //=int(ceil(XML->sys.flashc.llc_line_length/8.0))+XML->sys.flashc.llc_line_length;//ecc - // overhead mcp.dataBusWidth - // =int(ceil(XML->sys.flashc.databus_width/8.0)) + - // XML->sys.flashc.databus_width; mcp.addressBusWidth - //=int(ceil(XML->sys.flashc.addressbus_width));//XML->sys.physical_address_width; - // mcp.opcodeW =16; - // mcp.num_mcs = XML->sys.flashc.number_mcs; - // mcp.num_channels = XML->sys.flashc.memory_channels_per_mc; - // mcp.reads = XML->sys.flashc.memory_reads; - // mcp.writes = XML->sys.flashc.memory_writes; - // //+++++++++Transaction engine +++++++++++++++++ ////TODO needs - // better numbers, Run the RTL code from OpenSparc. - // mcp.peakDataTransferRate = - // XML->sys.flashc.peak_transfer_rate; mcp.memRank = - // XML->sys.flashc.number_ranks; - // //++++++++++++++PHY ++++++++++++++++++++++++++ //TODO needs - // better numbers - // //PHY.memAccesses=PHY.peakDataTransferRate;//this is the max - // power - // //PHY.llcBlocksize=llcBlockSize; - // mcp.frontend_duty_cycle = 0.5;//for max power, the actual - // off-chip links is bidirectional but time shared mcp.LVDS = - // XML->sys.flashc.LVDS; mcp.type = XML->sys.flashc.type; - // } - else { - cout << "Unknown memory controller type: neither DRAM controller nor Flash " - "controller" - << endl; - exit(0); - } -} - -MCFrontEnd ::~MCFrontEnd() { - if (MC_arb) { - delete MC_arb; - MC_arb = 0; - } - if (frontendBuffer) { - delete frontendBuffer; - frontendBuffer = 0; - } - if (readBuffer) { - delete readBuffer; - readBuffer = 0; - } - if (writeBuffer) { - delete writeBuffer; - writeBuffer = 0; - } -} - -MemoryController ::~MemoryController() { - if (frontend) { - delete frontend; - frontend = 0; - } - if (transecEngine) { - delete transecEngine; - transecEngine = 0; - } - if (PHY) { - delete PHY; - PHY = 0; - } - if (pipeLogic) { - delete pipeLogic; - pipeLogic = 0; - } -} |
