1# Copyright (c) 2009 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Steve Reinhardt
28# Brad Beckmann
29
30from m5.params import *
31from m5.proxy import *
32from Network import RubyNetwork
33from BasicRouter import BasicRouter
34from MessageBuffer import MessageBuffer
35
36class SimpleNetwork(RubyNetwork):
37 type = 'SimpleNetwork'
38 cxx_header = "mem/ruby/network/simple/SimpleNetwork.hh"
39 buffer_size = Param.Int(0,
40 "default buffer size; 0 indicates infinite buffering");
41 endpoint_bandwidth = Param.Int(1000, "bandwidth adjustment factor");
42 adaptive_routing = Param.Bool(False, "enable adaptive routing");
43 int_link_buffers = VectorParam.MessageBuffer("Buffers for int_links")
44
45 def setup_buffers(self):
46 # Note that all SimpleNetwork MessageBuffers are currently ordered
47 network_buffers = []
48 for link in self.int_links:
49 # The network needs number_of_virtual_networks buffers per
50 # int_link port
51 for i in xrange(self.number_of_virtual_networks):
52 network_buffers.append(MessageBuffer(ordered = True))
53 network_buffers.append(MessageBuffer(ordered = True))
54 self.int_link_buffers = network_buffers
55
56 # Also add buffers for all router-link connections
57 for router in self.routers:
58 router_buffers = []
| 1# Copyright (c) 2009 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Steve Reinhardt
28# Brad Beckmann
29
30from m5.params import *
31from m5.proxy import *
32from Network import RubyNetwork
33from BasicRouter import BasicRouter
34from MessageBuffer import MessageBuffer
35
36class SimpleNetwork(RubyNetwork):
37 type = 'SimpleNetwork'
38 cxx_header = "mem/ruby/network/simple/SimpleNetwork.hh"
39 buffer_size = Param.Int(0,
40 "default buffer size; 0 indicates infinite buffering");
41 endpoint_bandwidth = Param.Int(1000, "bandwidth adjustment factor");
42 adaptive_routing = Param.Bool(False, "enable adaptive routing");
43 int_link_buffers = VectorParam.MessageBuffer("Buffers for int_links")
44
45 def setup_buffers(self):
46 # Note that all SimpleNetwork MessageBuffers are currently ordered
47 network_buffers = []
48 for link in self.int_links:
49 # The network needs number_of_virtual_networks buffers per
50 # int_link port
51 for i in xrange(self.number_of_virtual_networks):
52 network_buffers.append(MessageBuffer(ordered = True))
53 network_buffers.append(MessageBuffer(ordered = True))
54 self.int_link_buffers = network_buffers
55
56 # Also add buffers for all router-link connections
57 for router in self.routers:
58 router_buffers = []
|
67
68 # Add message buffers to routers for each external link connection
69 for link in self.ext_links:
70 # Routers can only be int_nodes on ext_links
71 if link.int_node in self.routers:
72 for i in xrange(self.number_of_virtual_networks):
73 router_buffers.append(MessageBuffer(ordered = True))
74 router.port_buffers = router_buffers
75
76class Switch(BasicRouter):
77 type = 'Switch'
78 cxx_header = 'mem/ruby/network/simple/Switch.hh'
79 virt_nets = Param.Int(Parent.number_of_virtual_networks,
80 "number of virtual networks")
81 port_buffers = VectorParam.MessageBuffer("Port buffers")
| 65
66 # Add message buffers to routers for each external link connection
67 for link in self.ext_links:
68 # Routers can only be int_nodes on ext_links
69 if link.int_node in self.routers:
70 for i in xrange(self.number_of_virtual_networks):
71 router_buffers.append(MessageBuffer(ordered = True))
72 router.port_buffers = router_buffers
73
74class Switch(BasicRouter):
75 type = 'Switch'
76 cxx_header = 'mem/ruby/network/simple/Switch.hh'
77 virt_nets = Param.Int(Parent.number_of_virtual_networks,
78 "number of virtual networks")
79 port_buffers = VectorParam.MessageBuffer("Port buffers")
|