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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* 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.
*/
/*
* SimpleNetwork.cc
*
* Description: See SimpleNetwork.hh
*
* $Id$
*
*/
#include "mem/ruby/network/simple/SimpleNetwork.hh"
#include "mem/ruby/profiler/Profiler.hh"
#include "mem/ruby/system/System.hh"
#include "mem/ruby/network/simple/Switch.hh"
#include "mem/ruby/common/NetDest.hh"
#include "mem/ruby/network/simple/Topology.hh"
#include "mem/protocol/TopologyType.hh"
#include "mem/protocol/MachineType.hh"
#include "mem/ruby/buffers/MessageBuffer.hh"
#include "mem/protocol/Protocol.hh"
#include "mem/gems_common/Map.hh"
// ***BIG HACK*** - This is actually code that _should_ be in Network.cc
// Note: Moved to Princeton Network
// calls new to abstract away from the network
/*
Network* Network::createNetwork(int nodes)
{
return new SimpleNetwork(nodes);
}
*/
SimpleNetwork::SimpleNetwork(const Params *p)
: Network(p)
{
}
void SimpleNetwork::init()
{
Network::init();
m_endpoint_switches.setSize(m_nodes);
m_in_use.setSize(m_virtual_networks);
m_ordered.setSize(m_virtual_networks);
for (int i = 0; i < m_virtual_networks; i++) {
m_in_use[i] = false;
m_ordered[i] = false;
}
// Allocate to and from queues
m_toNetQueues.setSize(m_nodes);
m_fromNetQueues.setSize(m_nodes);
for (int node = 0; node < m_nodes; node++) {
m_toNetQueues[node].setSize(m_virtual_networks);
m_fromNetQueues[node].setSize(m_virtual_networks);
for (int j = 0; j < m_virtual_networks; j++) {
m_toNetQueues[node][j] = new MessageBuffer(
"toNet node "+int_to_string(node)+" j "+int_to_string(j));
m_fromNetQueues[node][j] = new MessageBuffer(
"fromNet node "+int_to_string(node)+" j "+int_to_string(j));
}
}
// Setup the network switches
// m_topology_ptr = new Topology(this, m_nodes);
m_topology_ptr->makeTopology();
int number_of_switches = m_topology_ptr->numSwitches();
for (int i=0; i<number_of_switches; i++) {
m_switch_ptr_vector.insertAtBottom(new Switch(i, this));
}
m_topology_ptr->createLinks(this, false); // false because this isn't a reconfiguration
}
void SimpleNetwork::reset()
{
for (int node = 0; node < m_nodes; node++) {
for (int j = 0; j < m_virtual_networks; j++) {
m_toNetQueues[node][j]->clear();
m_fromNetQueues[node][j]->clear();
}
}
for(int i=0; i<m_switch_ptr_vector.size(); i++){
m_switch_ptr_vector[i]->clearBuffers();
}
}
SimpleNetwork::~SimpleNetwork()
{
for (int i = 0; i < m_nodes; i++) {
m_toNetQueues[i].deletePointers();
m_fromNetQueues[i].deletePointers();
}
m_switch_ptr_vector.deletePointers();
m_buffers_to_free.deletePointers();
// delete m_topology_ptr;
}
// From a switch to an endpoint node
void SimpleNetwork::makeOutLink(SwitchID src, NodeID dest, const NetDest& routing_table_entry, int link_latency, int link_weight, int bw_multiplier, bool isReconfiguration)
{
assert(dest < m_nodes);
assert(src < m_switch_ptr_vector.size());
assert(m_switch_ptr_vector[src] != NULL);
if(!isReconfiguration){
m_switch_ptr_vector[src]->addOutPort(m_fromNetQueues[dest], routing_table_entry, link_latency, bw_multiplier);
m_endpoint_switches[dest] = m_switch_ptr_vector[src];
} else {
m_switch_ptr_vector[src]->reconfigureOutPort(routing_table_entry);
}
}
// From an endpoint node to a switch
void SimpleNetwork::makeInLink(NodeID src, SwitchID dest, const NetDest& routing_table_entry, int link_latency, int bw_multiplier, bool isReconfiguration)
{
assert(src < m_nodes);
if(!isReconfiguration){
m_switch_ptr_vector[dest]->addInPort(m_toNetQueues[src]);
} else {
// do nothing
}
}
// From a switch to a switch
void SimpleNetwork::makeInternalLink(SwitchID src, SwitchID dest, const NetDest& routing_table_entry, int link_latency, int link_weight, int bw_multiplier, bool isReconfiguration)
{
if(!isReconfiguration){
// Create a set of new MessageBuffers
Vector<MessageBuffer*> queues;
for (int i = 0; i < m_virtual_networks; i++) {
// allocate a buffer
MessageBuffer* buffer_ptr = new MessageBuffer;
buffer_ptr->setOrdering(true);
if (m_buffer_size > 0) {
buffer_ptr->setSize(m_buffer_size);
}
queues.insertAtBottom(buffer_ptr);
// remember to deallocate it
m_buffers_to_free.insertAtBottom(buffer_ptr);
}
// Connect it to the two switches
m_switch_ptr_vector[dest]->addInPort(queues);
m_switch_ptr_vector[src]->addOutPort(queues, routing_table_entry, link_latency, bw_multiplier);
} else {
m_switch_ptr_vector[src]->reconfigureOutPort(routing_table_entry);
}
}
void SimpleNetwork::checkNetworkAllocation(NodeID id, bool ordered, int network_num)
{
ASSERT(id < m_nodes);
ASSERT(network_num < m_virtual_networks);
if (ordered) {
m_ordered[network_num] = true;
}
m_in_use[network_num] = true;
}
MessageBuffer* SimpleNetwork::getToNetQueue(NodeID id, bool ordered, int network_num)
{
checkNetworkAllocation(id, ordered, network_num);
return m_toNetQueues[id][network_num];
}
MessageBuffer* SimpleNetwork::getFromNetQueue(NodeID id, bool ordered, int network_num)
{
checkNetworkAllocation(id, ordered, network_num);
return m_fromNetQueues[id][network_num];
}
const Vector<Throttle*>* SimpleNetwork::getThrottles(NodeID id) const
{
assert(id >= 0);
assert(id < m_nodes);
assert(m_endpoint_switches[id] != NULL);
return m_endpoint_switches[id]->getThrottles();
}
void SimpleNetwork::printStats(ostream& out) const
{
out << endl;
out << "Network Stats" << endl;
out << "-------------" << endl;
out << endl;
for(int i=0; i<m_switch_ptr_vector.size(); i++) {
m_switch_ptr_vector[i]->printStats(out);
}
}
void SimpleNetwork::clearStats()
{
for(int i=0; i<m_switch_ptr_vector.size(); i++) {
m_switch_ptr_vector[i]->clearStats();
}
}
void SimpleNetwork::printConfig(ostream& out) const
{
out << endl;
out << "Network Configuration" << endl;
out << "---------------------" << endl;
out << "network: SIMPLE_NETWORK" << endl;
out << "topology: " << m_topology_ptr->getName() << endl;
out << endl;
for (int i = 0; i < m_virtual_networks; i++) {
out << "virtual_net_" << i << ": ";
if (m_in_use[i]) {
out << "active, ";
if (m_ordered[i]) {
out << "ordered" << endl;
} else {
out << "unordered" << endl;
}
} else {
out << "inactive" << endl;
}
}
out << endl;
for(int i=0; i<m_switch_ptr_vector.size(); i++) {
m_switch_ptr_vector[i]->printConfig(out);
}
m_topology_ptr->printConfig(out);
}
void SimpleNetwork::print(ostream& out) const
{
out << "[SimpleNetwork]";
}
SimpleNetwork *
SimpleNetworkParams::create()
{
return new SimpleNetwork(this);
}
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