diff options
author | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-04-28 17:18:14 -0700 |
---|---|---|
committer | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-04-28 17:18:14 -0700 |
commit | 93a50fc3180d9444e5e0e6524e80d746febe225e (patch) | |
tree | de91d7a1c47366c60c56cb4d45543e6d5962e1b0 /src/mem/ruby/network/garnet/BaseGarnetNetwork.cc | |
parent | 6c7429dbe34b2f4ad20e56d5054d5eb7b88acaca (diff) | |
download | gem5-93a50fc3180d9444e5e0e6524e80d746febe225e.tar.xz |
network: set the ExtLink bw to 16 bytes
Therefore all links by default are 16 bytes wide and thus work with Garnet's
uniform link bandwidth assumption.
Diffstat (limited to 'src/mem/ruby/network/garnet/BaseGarnetNetwork.cc')
-rw-r--r-- | src/mem/ruby/network/garnet/BaseGarnetNetwork.cc | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc b/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc index 6c5e57103..2e3cc8b24 100644 --- a/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc +++ b/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc @@ -28,6 +28,7 @@ * Authors: Niket Agarwal */ +#include "mem/ruby/buffers/MessageBuffer.hh" #include "mem/ruby/network/BasicLink.hh" #include "mem/ruby/network/Topology.hh" #include "mem/ruby/network/garnet/BaseGarnetNetwork.hh" @@ -41,6 +42,12 @@ BaseGarnetNetwork::BaseGarnetNetwork(const Params *p) m_buffers_per_data_vc = p->buffers_per_data_vc; m_buffers_per_ctrl_vc = p->buffers_per_ctrl_vc; + m_ruby_start = 0; + m_flits_received = 0; + m_flits_injected = 0; + m_network_latency = 0.0; + m_queueing_latency = 0.0; + // Currently Garnet only supports uniform bandwidth for all // links and network interfaces. for (std::vector<BasicExtLink*>::const_iterator i = @@ -59,6 +66,34 @@ BaseGarnetNetwork::BaseGarnetNetwork(const Params *p) fatal("Garnet only supports uniform bw across all links and NIs\n"); } } + + // Allocate to and from queues + + // Queues that are getting messages from protocol + m_toNetQueues.resize(m_nodes); + + // Queues that are feeding the protocol + m_fromNetQueues.resize(m_nodes); + + m_in_use.resize(m_virtual_networks); + m_ordered.resize(m_virtual_networks); + for (int i = 0; i < m_virtual_networks; i++) { + m_in_use[i] = false; + m_ordered[i] = false; + } + + for (int node = 0; node < m_nodes; node++) { + // Setting number of virtual message buffers per Network Queue + m_toNetQueues[node].resize(m_virtual_networks); + m_fromNetQueues[node].resize(m_virtual_networks); + + // Instantiating the Message Buffers that + // interact with the coherence protocol + for (int j = 0; j < m_virtual_networks; j++) { + m_toNetQueues[node][j] = new MessageBuffer(); + m_fromNetQueues[node][j] = new MessageBuffer(); + } + } } void |