diff options
Diffstat (limited to 'src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.cc')
-rw-r--r-- | src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.cc | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.cc new file mode 100644 index 000000000..229497085 --- /dev/null +++ b/src/mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.cc @@ -0,0 +1,99 @@ +/* + * Copyright (c) 2008 Princeton University + * 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: Niket Agarwal + */ + +#include "mem/ruby/network/garnet/fixed-pipeline/NetworkLink_d.hh" +#include "mem/ruby/network/garnet-flexible-pipeline/NetworkConfig.hh" +#include "mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh" + +/* +NetworkLink_d::NetworkLink_d(int id) +{ + m_id = id; + m_latency = 1; + m_flit_width = NetworkConfig::getFlitSize(); + + linkBuffer = new flitBuffer_d(); + m_link_utilized = 0; + m_vc_load.setSize(NetworkConfig::getVCsPerClass()*RubySystem::getNetwork()->getNumberOfVirtualNetworks()); + + for(int i = 0; i < NetworkConfig::getVCsPerClass()*RubySystem::getNetwork()->getNumberOfVirtualNetworks(); i++) + m_vc_load[i] = 0; +} +*/ +NetworkLink_d::NetworkLink_d(int id, int link_latency, GarnetNetwork_d *net_ptr) +{ + m_net_ptr = net_ptr; + m_id = id; + m_latency = link_latency; + linkBuffer = new flitBuffer_d(); + m_link_utilized = 0; + m_vc_load.setSize(m_net_ptr->getNetworkConfig()->getVCsPerClass()*net_ptr->getNumberOfVirtualNetworks()); + + for(int i = 0; i < m_net_ptr->getNetworkConfig()->getVCsPerClass()*net_ptr->getNumberOfVirtualNetworks(); i++) + m_vc_load[i] = 0; +} + +NetworkLink_d::~NetworkLink_d() +{ + delete linkBuffer; +} + +void NetworkLink_d::setLinkConsumer(Consumer *consumer) +{ + link_consumer = consumer; +} + +void NetworkLink_d::setSourceQueue(flitBuffer_d *srcQueue) +{ + link_srcQueue = srcQueue; +} + +void NetworkLink_d::wakeup() +{ + if(link_srcQueue->isReady()) + { + flit_d *t_flit = link_srcQueue->getTopFlit(); + t_flit->set_time(g_eventQueue_ptr->getTime() + m_latency); + linkBuffer->insert(t_flit); + g_eventQueue_ptr->scheduleEvent(link_consumer, m_latency); + m_link_utilized++; + m_vc_load[t_flit->get_vc()]++; + } +} + +Vector<int> NetworkLink_d::getVcLoad() +{ + return m_vc_load; +} + +int NetworkLink_d::getLinkUtilization() +{ + return m_link_utilized; +} |