summaryrefslogtreecommitdiff
path: root/src/mem/ruby/network/orion/NetworkPower.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/mem/ruby/network/orion/NetworkPower.cc')
-rw-r--r--src/mem/ruby/network/orion/NetworkPower.cc251
1 files changed, 0 insertions, 251 deletions
diff --git a/src/mem/ruby/network/orion/NetworkPower.cc b/src/mem/ruby/network/orion/NetworkPower.cc
deleted file mode 100644
index 2eb1b0ea9..000000000
--- a/src/mem/ruby/network/orion/NetworkPower.cc
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Copyright (c) 2010 Massachusetts Institute of Technology
- * 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: Chia-Hsin Owen Chen
- * Tushar Krishna
- */
-
-#include "mem/ruby/common/Global.hh"
-#include "mem/ruby/network/orion/NetworkPower.hh"
-#include "mem/ruby/network/orion/OrionConfig.hh"
-#include "mem/ruby/network/orion/OrionLink.hh"
-#include "mem/ruby/network/orion/OrionRouter.hh"
-
-void
-Router_d::calculate_power()
-{
- //Network Activities from garnet
- calculate_performance_numbers();
- double sim_cycles = curCycle() - g_ruby_start;
-
- // Number of virtual networks/message classes declared in Ruby
- // maybe greater than active virtual networks.
- // Estimate active virtual networks for correct power estimates
- int num_active_vclass = 0;
- std::vector<bool > active_vclass_ary;
- active_vclass_ary.resize(m_virtual_networks);
-
- std::vector<double > vc_local_arbit_count_active;
- std::vector<double > vc_global_arbit_count_active;
- std::vector<double > buf_read_count_active;
- std::vector<double > buf_write_count_active;
-
- for (int i =0; i < m_virtual_networks; i++) {
-
- active_vclass_ary[i] = (get_net_ptr())->validVirtualNetwork(i);
- if (active_vclass_ary[i]) {
- num_active_vclass++;
- vc_local_arbit_count_active.push_back(vc_local_arbit_count[i]);
- vc_global_arbit_count_active.push_back(vc_global_arbit_count[i]);
- buf_read_count_active.push_back(buf_read_count[i]);
- buf_write_count_active.push_back(buf_write_count[i]);
- }
- else {
- // Inactive vclass
- assert(vc_global_arbit_count[i] == 0);
- assert(vc_local_arbit_count[i] == 0);
- }
- }
-
- // Orion Initialization
- OrionConfig* orion_cfg_ptr;
- OrionRouter* orion_rtr_ptr;
- static double freq_Hz;
-
- const string cfg_fn = "src/mem/ruby/network/orion/router.cfg";
- orion_cfg_ptr = new OrionConfig(cfg_fn);
- freq_Hz = orion_cfg_ptr->get<double>("FREQUENCY");
-
- uint32_t num_in_port = m_input_unit.size();
- uint32_t num_out_port = m_output_unit.size();
- uint32_t num_vclass = num_active_vclass;
- std::vector<uint32_t > vclass_type_ary;
-
- for (int i = 0; i < m_virtual_networks; i++) {
- if (active_vclass_ary[i]) {
- int temp_vc = i*m_vc_per_vnet;
- vclass_type_ary.push_back((uint32_t)
- m_network_ptr->get_vnet_type(temp_vc));
- }
- }
- assert(vclass_type_ary.size() == num_active_vclass);
-
- uint32_t num_vc_per_vclass = m_vc_per_vnet;
- uint32_t in_buf_per_data_vc = m_network_ptr->getBuffersPerDataVC();
- uint32_t in_buf_per_ctrl_vc = m_network_ptr->getBuffersPerCtrlVC();
- //flit width in bits
- uint32_t flit_width_bits = m_network_ptr->getNiFlitSize() * 8;
-
- orion_rtr_ptr = new OrionRouter(
- num_in_port,
- num_out_port,
- num_vclass,
- vclass_type_ary,
- num_vc_per_vclass,
- in_buf_per_data_vc,
- in_buf_per_ctrl_vc,
- flit_width_bits,
- orion_cfg_ptr
- );
-
-
- //Power Calculation
- double Pbuf_wr_dyn = 0.0;
- double Pbuf_rd_dyn = 0.0;
- double Pvc_arb_local_dyn = 0.0;
- double Pvc_arb_global_dyn = 0.0;
- double Psw_arb_local_dyn = 0.0;
- double Psw_arb_global_dyn = 0.0;
- double Pxbar_dyn = 0.0;
-
- double Pbuf_sta = 0.0;
- double Pvc_arb_sta = 0.0;
- double Psw_arb_sta = 0.0;
- double Pxbar_sta = 0.0;
-
- //Dynamic Power
-
- // Note: For each active arbiter in vc_arb or sw_arb of size T:1,
- // assuming half the requests (T/2) are high on average.
- // TODO: estimate expected value of requests from simulation.
-
- for (int i = 0; i < num_vclass; i++) {
- // Buffer Write
- Pbuf_wr_dyn +=
- orion_rtr_ptr->calc_dynamic_energy_buf(i, WRITE_MODE, false)*
- (buf_write_count_active[i]/sim_cycles)*freq_Hz;
-
- // Buffer Read
- Pbuf_rd_dyn +=
- orion_rtr_ptr->calc_dynamic_energy_buf(i, READ_MODE, false)*
- (buf_read_count_active[i]/sim_cycles)*freq_Hz;
-
- // VC arbitration local
- // Each input VC arbitrates for one output VC (in its vclass)
- // at its output port.
- // Arbiter size: num_vc_per_vclass:1
- Pvc_arb_local_dyn +=
- orion_rtr_ptr->calc_dynamic_energy_local_vc_arb(i,
- num_vc_per_vclass/2, false)*
- (vc_local_arbit_count_active[i]/sim_cycles)*
- freq_Hz;
-
- // VC arbitration global
- // Each output VC chooses one input VC out of all possible requesting
- // VCs (within vclass) at all input ports
- // Arbiter size: num_in_port*num_vc_per_vclass:1
- // Round-robin at each input VC for outvcs in the local stage will
- // try to keep outvc conflicts to the minimum.
- // Assuming conflicts due to request for same outvc from
- // num_in_port/2 requests.
- // TODO: use garnet to estimate this
- Pvc_arb_global_dyn +=
- orion_rtr_ptr->calc_dynamic_energy_global_vc_arb(i,
- num_in_port/2, false)*
- (vc_global_arbit_count_active[i]/sim_cycles)*
- freq_Hz;
- }
-
- // Switch Allocation Local
- // Each input port chooses one input VC as requestor
- // Arbiter size: num_vclass*num_vc_per_vclass:1
- Psw_arb_local_dyn =
- orion_rtr_ptr->calc_dynamic_energy_local_sw_arb(
- num_vclass*num_vc_per_vclass/2, false)*
- (sw_local_arbit_count/sim_cycles)*
- freq_Hz;
-
- // Switch Allocation Global
- // Each output port chooses one input port as winner
- // Arbiter size: num_in_port:1
- Psw_arb_global_dyn =
- orion_rtr_ptr->calc_dynamic_energy_global_sw_arb(
- num_in_port/2, false)*
- (sw_global_arbit_count/sim_cycles)*
- freq_Hz;
-
- // Crossbar
- Pxbar_dyn =
- orion_rtr_ptr->calc_dynamic_energy_xbar(false)*
- (crossbar_count/sim_cycles)*freq_Hz;
-
- // Total
- m_power_dyn = Pbuf_wr_dyn + Pbuf_rd_dyn +
- Pvc_arb_local_dyn + Pvc_arb_global_dyn +
- Psw_arb_local_dyn + Psw_arb_global_dyn +
- Pxbar_dyn;
-
- // Clock Power
- m_clk_power = orion_rtr_ptr->calc_dynamic_energy_clock()*freq_Hz;
-
- // Static Power
- Pbuf_sta = orion_rtr_ptr->get_static_power_buf();
- Pvc_arb_sta = orion_rtr_ptr->get_static_power_va();
- Psw_arb_sta = orion_rtr_ptr->get_static_power_sa();
- Pxbar_sta = orion_rtr_ptr->get_static_power_xbar();
-
- m_power_sta = Pbuf_sta + Pvc_arb_sta + Psw_arb_sta + Pxbar_sta;
-}
-
-void
-NetworkLink_d::calculate_power(double sim_cycles)
-{
- OrionConfig* orion_cfg_ptr;
- OrionLink* orion_link_ptr;
- static double freq_Hz;
- double link_length;
-
- // Initialization
- const string cfg_fn = "src/mem/ruby/network/orion/router.cfg";
- orion_cfg_ptr = new OrionConfig(cfg_fn);
- freq_Hz = orion_cfg_ptr->get<double>("FREQUENCY");
-
- link_length = orion_cfg_ptr->get<double>("LINK_LENGTH");
-
- int channel_width_bits = channel_width*8;
-
- orion_link_ptr = new OrionLink(
- link_length,
- channel_width_bits,
- orion_cfg_ptr);
-
- // Dynamic Power
- // Assume half the bits flipped on every link activity
- double link_dynamic_energy =
- orion_link_ptr->calc_dynamic_energy(channel_width_bits/2);
- m_power_dyn = link_dynamic_energy * (m_link_utilized / sim_cycles) *
- freq_Hz;
-
-
- // Static Power
- // Calculates number of repeaters needed in link, and their static power
- // For short links, like 1mm, no repeaters are needed so static power is 0
- m_power_sta = orion_link_ptr->get_static_power();
-
- delete orion_link_ptr;
- delete orion_cfg_ptr;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 23:30:22 +0000