garnet: added orion2.0 for network power calculation

1 files changed, 136 insertions, 0 deletions

diff --git a/src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc b/src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc
new file mode 100644
index 000000000..ac91edb43
--- /dev/null
+++ b/src/mem/ruby/network/orion/Buffer/PrechargeUnit.cc
@@ -0,0 +1,136 @@
+/*
+ * 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 "mem/ruby/network/orion/Buffer/PrechargeUnit.hh"
+#include "mem/ruby/network/orion/TechParameter.hh"
+#include "mem/ruby/network/orion/Buffer/SRAM.hh"
+
+PrechargeUnit::PrechargeUnit(
+        const string& pre_model_str_,
+        double pre_load_,
+        const SRAM* sram_ptr_,
+        const TechParameter* tech_param_ptr_
+        )
+{
+    if (pre_model_str_ == "SINGLE_BITLINE")
+    {
+        m_pre_model = SINGLE_BITLINE;
+    }
+    else if (pre_model_str_ == "EQU_BITLINE")
+    {
+        m_pre_model = EQU_BITLINE;
+    }
+    else if (pre_model_str_ == "SINGLE_OTHER")
+    {
+        m_pre_model = SINGLE_OTHER;
+    }
+    else
+    {
+        m_pre_model = NO_MODEL;
+    }
+
+    if (m_pre_model != NO_MODEL)
+    {
+        m_pre_load = pre_load_;
+        m_sram_ptr = sram_ptr_;
+        m_tech_param_ptr = tech_param_ptr_;
+
+        init();
+    }
+}
+
+PrechargeUnit::~PrechargeUnit()
+{
+}
+
+void PrechargeUnit::init()
+{
+    double period = m_tech_param_ptr->get_period();
+    m_pre_size = m_tech_param_ptr->calc_driver_psize(m_pre_load, period/8.0);
+    //FIXME - shouldn't be added
+    double Wdecinvn = m_tech_param_ptr->get_Wdecinvn();
+    double Wdecinvp = m_tech_param_ptr->get_Wdecinvp();
+    m_pre_size += m_pre_size*Wdecinvn/Wdecinvp;
+
+    uint32_t num_gate = calc_num_pre_gate();
+
+    // WHS: 10 should go to PARM 
+    double e_factor = m_tech_param_ptr->get_EnergyFactor();
+    m_e_charge_gate = calc_pre_cap(m_pre_size, 10) * num_gate * e_factor;
+
+    uint32_t num_data_end = m_sram_ptr->get_num_data_end();
+    if (num_data_end == 2)
+    {
+        e_factor = m_tech_param_ptr->get_SenseEnergyFactor();
+    }
+    else
+    {
+        e_factor = m_tech_param_ptr->get_EnergyFactor();
+    }
+    uint32_t num_drain = calc_num_pre_drain();
+    m_e_charge_drain = m_tech_param_ptr->calc_draincap(m_pre_size, TechParameter::PCH, 1)*num_drain*e_factor;
+
+    // static power
+    double PMOS_TAB_0 = m_tech_param_ptr->get_PMOS_TAB(0);
+    m_i_static = num_gate*m_pre_size*PMOS_TAB_0;
+}
+
+uint32_t PrechargeUnit::calc_num_pre_gate()
+{
+    switch(m_pre_model)
+    {
+        case SINGLE_BITLINE: return 2;
+        case EQU_BITLINE:    return 3;
+        case SINGLE_OTHER:   return 1;
+        default: printf("error\n"); return 0;
+    }
+}
+
+uint32_t PrechargeUnit::calc_num_pre_drain()
+{
+    switch(m_pre_model)
+    {
+        case SINGLE_BITLINE: return 1;
+        case EQU_BITLINE:    return 2;
+        case SINGLE_OTHER:   return 1;
+        default: printf("error\n"); return 0;
+    }
+}
+
+double PrechargeUnit::calc_pre_cap(double width_, double length_)
+{
+    return m_tech_param_ptr->calc_gatecap(width_, length_);
+}
+