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Diffstat (limited to 'src/mem/ruby/network/garnet2.0/GarnetNetwork.hh')
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1 files changed, 208 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet2.0/GarnetNetwork.hh b/src/mem/ruby/network/garnet2.0/GarnetNetwork.hh new file mode 100644 index 000000000..3ced88740 --- /dev/null +++ b/src/mem/ruby/network/garnet2.0/GarnetNetwork.hh @@ -0,0 +1,208 @@ +/* + * Copyright (c) 2008 Princeton University + * Copyright (c) 2016 Georgia Institute of Technology + * 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 + * Tushar Krishna + */ + + +#ifndef __MEM_RUBY_NETWORK_GARNET_NETWORK_HH__ +#define __MEM_RUBY_NETWORK_GARNET_NETWORK_HH__ + +#include <iostream> +#include <vector> + +#include "mem/ruby/network/Network.hh" +#include "mem/ruby/network/fault_model/FaultModel.hh" +#include "mem/ruby/network/garnet2.0/CommonTypes.hh" +#include "params/GarnetNetwork.hh" + +class FaultModel; +class NetworkInterface; +class Router; +class NetDest; +class NetworkLink; +class CreditLink; + +class GarnetNetwork : public Network +{ + public: + typedef GarnetNetworkParams Params; + GarnetNetwork(const Params *p); + + ~GarnetNetwork(); + void init(); + + // Configuration (set externally) + + // for 2D topology + int getNumRows() const { return m_num_rows; } + int getNumCols() { return m_num_cols; } + + // for network + uint32_t getNiFlitSize() const { return m_ni_flit_size; } + uint32_t getVCsPerVnet() const { return m_vcs_per_vnet; } + uint32_t getBuffersPerDataVC() { return m_buffers_per_data_vc; } + uint32_t getBuffersPerCtrlVC() { return m_buffers_per_ctrl_vc; } + int getRoutingAlgorithm() const { return m_routing_algorithm; } + + bool isFaultModelEnabled() const { return m_enable_fault_model; } + FaultModel* fault_model; + + + // Internal configuration + bool isVNetOrdered(int vnet) const { return m_ordered[vnet]; } + VNET_type + get_vnet_type(int vc) + { + int vnet = vc/getVCsPerVnet(); + return m_vnet_type[vnet]; + } + int getNumRouters(); + int get_router_id(int ni); + + + // Methods used by Topology to setup the network + void makeExtOutLink(SwitchID src, NodeID dest, BasicLink* link, + const NetDest& routing_table_entry); + void makeExtInLink(NodeID src, SwitchID dest, BasicLink* link, + const NetDest& routing_table_entry); + void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link, + const NetDest& routing_table_entry, + PortDirection src_outport_dirn, + PortDirection dest_inport_dirn); + + //! Function for performing a functional write. The return value + //! indicates the number of messages that were written. + uint32_t functionalWrite(Packet *pkt); + + // Stats + void collateStats(); + void regStats(); + void print(std::ostream& out) const; + + // increment counters + void increment_injected_packets(int vnet) { m_packets_injected[vnet]++; } + void increment_received_packets(int vnet) { m_packets_received[vnet]++; } + + void + increment_packet_network_latency(Cycles latency, int vnet) + { + m_packet_network_latency[vnet] += latency; + } + + void + increment_packet_queueing_latency(Cycles latency, int vnet) + { + m_packet_queueing_latency[vnet] += latency; + } + + void increment_injected_flits(int vnet) { m_flits_injected[vnet]++; } + void increment_received_flits(int vnet) { m_flits_received[vnet]++; } + + void + increment_flit_network_latency(Cycles latency, int vnet) + { + m_flit_network_latency[vnet] += latency; + } + + void + increment_flit_queueing_latency(Cycles latency, int vnet) + { + m_flit_queueing_latency[vnet] += latency; + } + + void + increment_total_hops(int hops) + { + m_total_hops += hops; + } + + protected: + // Configuration + int m_num_rows; + int m_num_cols; + uint32_t m_ni_flit_size; + uint32_t m_vcs_per_vnet; + uint32_t m_buffers_per_ctrl_vc; + uint32_t m_buffers_per_data_vc; + int m_routing_algorithm; + bool m_enable_fault_model; + + // Statistical variables + Stats::Vector m_packets_received; + Stats::Vector m_packets_injected; + Stats::Vector m_packet_network_latency; + Stats::Vector m_packet_queueing_latency; + + Stats::Formula m_avg_packet_vnet_latency; + Stats::Formula m_avg_packet_vqueue_latency; + Stats::Formula m_avg_packet_network_latency; + Stats::Formula m_avg_packet_queueing_latency; + Stats::Formula m_avg_packet_latency; + + Stats::Vector m_flits_received; + Stats::Vector m_flits_injected; + Stats::Vector m_flit_network_latency; + Stats::Vector m_flit_queueing_latency; + + Stats::Formula m_avg_flit_vnet_latency; + Stats::Formula m_avg_flit_vqueue_latency; + Stats::Formula m_avg_flit_network_latency; + Stats::Formula m_avg_flit_queueing_latency; + Stats::Formula m_avg_flit_latency; + + Stats::Scalar m_total_ext_in_link_utilization; + Stats::Scalar m_total_ext_out_link_utilization; + Stats::Scalar m_total_int_link_utilization; + Stats::Scalar m_average_link_utilization; + Stats::Vector m_average_vc_load; + + Stats::Scalar m_total_hops; + Stats::Formula m_avg_hops; + + private: + GarnetNetwork(const GarnetNetwork& obj); + GarnetNetwork& operator=(const GarnetNetwork& obj); + + std::vector<VNET_type > m_vnet_type; + std::vector<Router *> m_routers; // All Routers in Network + std::vector<NetworkLink *> m_networklinks; // All flit links in the network + std::vector<CreditLink *> m_creditlinks; // All credit links in the network + std::vector<NetworkInterface *> m_nis; // All NI's in Network +}; + +inline std::ostream& +operator<<(std::ostream& out, const GarnetNetwork& obj) +{ + obj.print(out); + out << std::flush; + return out; +} + +#endif // __MEM_RUBY_NETWORK_GARNET_NETWORK_HH__ |