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authorTushar Krishna <tushar@csail.mit.edu>2011-02-06 22:14:17 -0800
committerTushar Krishna <tushar@csail.mit.edu>2011-02-06 22:14:17 -0800
commita679e732cee821616c20cc13c22ad2877072ff14 (patch)
treed3225f0f3bc7f4f79fa3eeb7bf0fb40de19509aa /src/mem/ruby/network/orion/Allocator/SWAllocator.cc
parent59163f824c71e4290399be7c1c4b6e70b799a388 (diff)
downloadgem5-a679e732cee821616c20cc13c22ad2877072ff14.tar.xz
garnet: added orion2.0 for network power calculation
Diffstat (limited to 'src/mem/ruby/network/orion/Allocator/SWAllocator.cc')
-rw-r--r--src/mem/ruby/network/orion/Allocator/SWAllocator.cc175
1 files changed, 175 insertions, 0 deletions
diff --git a/src/mem/ruby/network/orion/Allocator/SWAllocator.cc b/src/mem/ruby/network/orion/Allocator/SWAllocator.cc
new file mode 100644
index 000000000..366779e45
--- /dev/null
+++ b/src/mem/ruby/network/orion/Allocator/SWAllocator.cc
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2009 Princeton University, and
+ * Regents of the University of California
+ * 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: Hangsheng Wang (Orion 1.0, Princeton)
+ * Xinping Zhu (Orion 1.0, Princeton)
+ * Xuning Chen (Orion 1.0, Princeton)
+ * Bin Li (Orion 2.0, Princeton)
+ * Kambiz Samadi (Orion 2.0, UC San Diego)
+ */
+
+#include <iostream>
+#include <cassert>
+
+#include "mem/ruby/network/orion/Allocator/SWAllocator.hh"
+#include "mem/ruby/network/orion/OrionConfig.hh"
+#include "mem/ruby/network/orion/Allocator/Arbiter.hh"
+#include "mem/ruby/network/orion/Crossbar/Crossbar.hh"
+
+using namespace std;
+
+SWAllocator::SWAllocator(
+ uint32_t num_in_port_,
+ uint32_t num_out_port_,
+ uint32_t num_vclass_,
+ uint32_t num_vchannel_,
+ double len_in_wire_,
+ const string& local_arb_model_str_,
+ const string& local_arb_ff_model_str_,
+ const string& global_arb_model_str_,
+ const string& global_arb_ff_model_str_,
+ const TechParameter* tech_param_ptr_
+ )
+{
+ assert(num_in_port_ == num_in_port_);
+ assert(num_out_port_ == num_out_port_);
+ assert(num_vclass_ == num_vclass_);
+ assert(num_vchannel_ == num_vchannel_);
+ assert(len_in_wire_ == len_in_wire_);
+
+ m_num_in_port = num_in_port_;
+ m_num_out_port = num_out_port_;
+ m_num_vclass = num_vclass_;
+ m_num_vchannel = num_vchannel_;
+
+ if ((m_num_vclass*m_num_vchannel) > 1)
+ {
+ m_local_arb_ptr = Arbiter::create_arbiter(
+ local_arb_model_str_, local_arb_ff_model_str_,
+ m_num_vclass*m_num_vchannel, 0, tech_param_ptr_);
+ }
+ else
+ {
+ m_local_arb_ptr = NULL;
+ }
+
+ if (m_num_in_port > 2)
+ {
+ m_global_arb_ptr = Arbiter::create_arbiter(
+ global_arb_model_str_, global_arb_ff_model_str_,
+ m_num_in_port-1, len_in_wire_, tech_param_ptr_);
+ }
+ else
+ {
+ m_global_arb_ptr = NULL;
+ }
+}
+
+SWAllocator::~SWAllocator()
+{}
+
+double SWAllocator::get_dynamic_energy_local_sw_arb(double num_req_, bool is_max_) const
+{
+ double e_local_arb = 0;
+
+ if (m_local_arb_ptr)
+ {
+ e_local_arb = m_local_arb_ptr->calc_dynamic_energy(num_req_, is_max_);
+ }
+ return e_local_arb;
+}
+
+double SWAllocator::get_dynamic_energy_global_sw_arb(double num_req_, bool is_max_) const
+{
+ double e_global_arb = 0;
+
+ if (m_global_arb_ptr)
+ {
+ e_global_arb = m_global_arb_ptr->calc_dynamic_energy(num_req_, is_max_);
+ }
+ return e_global_arb;
+}
+
+double SWAllocator::get_static_power() const
+{
+ double p_va = 0;
+
+ if (m_local_arb_ptr)
+ {
+ // FIXME: might not be m_num_in_port;
+ p_va += m_local_arb_ptr->get_static_power()*m_num_in_port;
+ }
+ if (m_global_arb_ptr)
+ {
+ p_va += m_global_arb_ptr->get_static_power()*m_num_out_port;
+ }
+ return p_va;
+}
+
+void SWAllocator::print_all() const
+{
+ cout << "SWAllocator:" << endl;
+ if (m_local_arb_ptr)
+ {
+ for (uint32_t i = 0; i < m_num_vclass*m_num_vchannel; i++)
+ {
+ cout << "\t" << "Local arb (" << i << ") = " << get_dynamic_energy_local_sw_arb(i, false) << endl;
+ }
+ }
+
+ if (m_global_arb_ptr)
+ {
+ for (uint32_t i = 0; i < m_num_in_port-1; i++)
+ {
+ cout << "\t" << "Global arb (" << i << ") = " << get_dynamic_energy_global_sw_arb(i, false) << endl;
+ }
+ }
+
+ cout << "\t" << "Static power = " << get_static_power() << endl;
+ return;
+}
+
+SWAllocator* SWAllocator::create_swallocator(
+ uint32_t num_in_port_,
+ uint32_t num_out_port_,
+ uint32_t num_vclass_,
+ uint32_t num_vchannel_,
+ const Crossbar* xbar_ptr_,
+ const OrionConfig* orion_cfg_ptr_
+ )
+{
+ double len_in_wire = xbar_ptr_->get_len_req_wire();
+ const string& local_arb_model_str = orion_cfg_ptr_->get<string>("SA_IN_ARB_MODEL");
+ const string& local_arb_ff_model_str = orion_cfg_ptr_->get<string>("SA_IN_ARB_FF_MODEL");
+ const string& global_arb_model_str = orion_cfg_ptr_->get<string>("SA_OUT_ARB_MODEL");
+ const string& global_arb_ff_model_str = orion_cfg_ptr_->get<string>("SA_OUT_ARB_FF_MODEL");
+ const TechParameter* tech_param_ptr = orion_cfg_ptr_->get_tech_param_ptr();
+ return new SWAllocator(num_in_port_, num_out_port_, num_vclass_, num_vchannel_,
+ len_in_wire, local_arb_model_str, local_arb_ff_model_str,
+ global_arb_model_str, global_arb_ff_model_str,tech_param_ptr);
+}