c1aecc05e6
This patch extensively modifies DSENT so that it can be accessed using Python. To access the Python interface, DSENT needs to compiled as a shared library. For this purpose a CMakeLists.txt file has been added. Some of the code that is not required is being removed.
95 lines
3 KiB
C++
95 lines
3 KiB
C++
/* Copyright (c) 2012 Massachusetts Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "model/timing_graph/ElectricalNet.h"
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#include "model/timing_graph/ElectricalLoad.h"
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namespace DSENT
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{
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//-------------------------------------------------------------------------
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// Electrical Net
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//-------------------------------------------------------------------------
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ElectricalNet::ElectricalNet(const String& instance_name_, ElectricalModel* model_)
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: ElectricalTimingNode(instance_name_, model_), m_distributed_res_(0), m_distributed_cap_(0)
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{
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}
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ElectricalNet::~ElectricalNet()
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{
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}
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double ElectricalNet::calculateDelay() const
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{
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// Remember that this is a pi model, delay is distributed cap * distributed_res / 2 +
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// distributed res * (other downstream caps)
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return 0.693 * (getTotalDownstreamCap() - m_distributed_cap_ / 2) * m_distributed_res_;
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}
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double ElectricalNet::calculateTransition() const
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{
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return 1.386 * getMaxUpstreamRes() * (m_distributed_cap_ * 0.2 + ElectricalTimingNode::getTotalDownstreamCap());
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}
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double ElectricalNet::getMaxUpstreamRes() const
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{
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return m_distributed_res_ + ElectricalTimingNode::getMaxUpstreamRes();
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}
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double ElectricalNet::getTotalDownstreamCap() const
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{
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return m_distributed_cap_ + ElectricalTimingNode::getTotalDownstreamCap();
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}
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void ElectricalNet::setDistributedCap(double distributed_cap_)
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{
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m_distributed_cap_ = distributed_cap_;
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return;
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}
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void ElectricalNet::setDistributedRes(double distributed_res_)
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{
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m_distributed_res_ = distributed_res_;
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return;
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}
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double ElectricalNet::getDistributedCap() const
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{
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return m_distributed_cap_;
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}
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double ElectricalNet::getDistributedRes() const
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{
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return m_distributed_res_;
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}
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bool ElectricalNet::isNet() const
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{
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return true;
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}
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} // namespace DSENT
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