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author | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-04-28 17:18:14 -0700 |
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committer | Brad Beckmann <Brad.Beckmann@amd.com> | 2011-04-28 17:18:14 -0700 |
commit | 8733ed4b7d3f4c138738c9636da1437e7724e9cc (patch) | |
tree | 199888d55fda3837f9ddb62fdee9a8dbdeab766a /src/mem/ruby/network/garnet/BaseGarnetNetwork.cc | |
parent | 40bcbf42539fec83628f2ae2627238adff27f62c (diff) | |
download | gem5-8733ed4b7d3f4c138738c9636da1437e7724e9cc.tar.xz |
network: basic link bw for garnet and simple networks
This patch ensures that both Garnet and the simple networks use the bw value
specified in the topology. To do so, the patch generalizes the specification
of bw for basic links. This value is then translated to the specific value
used by the simple and Garnet networks. Since Garent does not support
non-uniformed link bandwidth, the patch also adds a check to ensure all bws are
equal.
--HG--
rename : src/mem/ruby/network/BasicLink.cc => src/mem/ruby/network/simple/SimpleLink.cc
rename : src/mem/ruby/network/BasicLink.hh => src/mem/ruby/network/simple/SimpleLink.hh
rename : src/mem/ruby/network/BasicLink.py => src/mem/ruby/network/simple/SimpleLink.py
Diffstat (limited to 'src/mem/ruby/network/garnet/BaseGarnetNetwork.cc')
-rw-r--r-- | src/mem/ruby/network/garnet/BaseGarnetNetwork.cc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc b/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc index 19b4c3d04..6c5e57103 100644 --- a/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc +++ b/src/mem/ruby/network/garnet/BaseGarnetNetwork.cc @@ -28,16 +28,37 @@ * Authors: Niket Agarwal */ +#include "mem/ruby/network/BasicLink.hh" +#include "mem/ruby/network/Topology.hh" #include "mem/ruby/network/garnet/BaseGarnetNetwork.hh" BaseGarnetNetwork::BaseGarnetNetwork(const Params *p) : Network(p) { - m_flit_size = p->flit_size; + m_ni_flit_size = p->ni_flit_size; m_number_of_pipe_stages = p->number_of_pipe_stages; m_vcs_per_class = p->vcs_per_class; m_buffers_per_data_vc = p->buffers_per_data_vc; m_buffers_per_ctrl_vc = p->buffers_per_ctrl_vc; + + // Currently Garnet only supports uniform bandwidth for all + // links and network interfaces. + for (std::vector<BasicExtLink*>::const_iterator i = + m_topology_ptr->params()->ext_links.begin(); + i != m_topology_ptr->params()->ext_links.end(); ++i) { + BasicExtLink* ext_link = (*i); + if (ext_link->params()->bandwidth_factor != m_ni_flit_size) { + fatal("Garnet only supports uniform bw across all links and NIs\n"); + } + } + for (std::vector<BasicIntLink*>::const_iterator i = + m_topology_ptr->params()->int_links.begin(); + i != m_topology_ptr->params()->int_links.end(); ++i) { + BasicIntLink* int_link = (*i); + if (int_link->params()->bandwidth_factor != m_ni_flit_size) { + fatal("Garnet only supports uniform bw across all links and NIs\n"); + } + } } void |