1# Copyright (c) 2012 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: Jason Power
28
29
30from BaseTopology import BaseTopology
31
32class Cluster(BaseTopology):
33 """ A cluster is a group of nodes which are all one hop from eachother
34 Clusters can also contain other clusters
35 When creating this kind of topology, return a single cluster (usually
36 the root cluster) from create_system in configs/ruby/<protocol>.py
37 """
38
39 _num_int_links = 0
40 _num_ext_links = 0
41 _num_routers = 0
42
43 # Below methods for auto counting
44 @classmethod
45 def num_int_links(cls):
46 cls._num_int_links += 1
47 return cls._num_int_links - 1
48 @classmethod
49 def num_ext_links(cls):
50 cls._num_ext_links += 1
51 return cls._num_ext_links - 1
52 @classmethod
53 def num_routers(cls):
54 cls._num_routers += 1
55 return cls._num_routers - 1
56
57 def __init__(self, intBW=0, extBW=0, intLatency=0, extLatency=0):
58 """ internalBandwidth is bandwidth of all links within the cluster
59 externalBandwidth is bandwidth from this cluster to any cluster
60 connecting to it.
61 internal/externalLatency are similar
62 **** When creating a cluster with sub-clusters, the sub-cluster
63 external bandwidth overrides the internal bandwidth of the
64 super cluster
65 """
66 self.nodes = []
67 self.router = None # created in makeTopology
68 self.intBW = intBW
69 self.extBW = extBW
70 self.intLatency = intLatency
71 self.extLatency = extLatency
72
73 def add(self, node):
74 self.nodes.append(node)
75
76 def makeTopology(self, options, IntLink, ExtLink, Router):
77 """ Recursively make all of the links and routers
78 """
79 routers = []
80 int_links = []
81 ext_links = []
82
83 # make a router to connect all of the nodes
84 self.router = Router(router_id=self.num_routers())
85 routers.append(self.router)
86 for node in self.nodes:
87 if type(node) == Cluster:
88 subRouters, subIntLinks, subExtLinks = node.makeTopology(options, IntLink, ExtLink, Router)
89 routers += subRouters
90 int_links += subIntLinks
91 ext_links += subExtLinks
92
93 # connect this cluster to the router
94 link = IntLink(link_id=self.num_int_links(), node_a=self.router, node_b=node.router)
95 if node.extBW:
96 link.bandwidth_factor = node.extBW
97 elif self.intBW: # if there is an interanl b/w for this node and no ext b/w to override
98 link.bandwidth_factor = self.intBW
99
100 if node.extLatency:
101 link.latency = node.extLatency
102 elif self.intLatency:
103 link.latency = self.intLatency
104
105 int_links.append(link)
106 else:
107 # node is just a controller connect it to the router via a ext_link
108 link = ExtLink(link_id=self.num_ext_links(), ext_node=node, int_node=self.router)
109 if self.intBW:
110 link.bandwidth_factor = self.intBW
111 if self.intLatency:
112 link.latency = self.intLatency
113
114 ext_links.append(link)
115
116 return routers, int_links, ext_links
117
| 1# Copyright (c) 2012 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: Jason Power
28
29
30from BaseTopology import BaseTopology
31
32class Cluster(BaseTopology):
33 """ A cluster is a group of nodes which are all one hop from eachother
34 Clusters can also contain other clusters
35 When creating this kind of topology, return a single cluster (usually
36 the root cluster) from create_system in configs/ruby/<protocol>.py
37 """
38
39 _num_int_links = 0
40 _num_ext_links = 0
41 _num_routers = 0
42
43 # Below methods for auto counting
44 @classmethod
45 def num_int_links(cls):
46 cls._num_int_links += 1
47 return cls._num_int_links - 1
48 @classmethod
49 def num_ext_links(cls):
50 cls._num_ext_links += 1
51 return cls._num_ext_links - 1
52 @classmethod
53 def num_routers(cls):
54 cls._num_routers += 1
55 return cls._num_routers - 1
56
57 def __init__(self, intBW=0, extBW=0, intLatency=0, extLatency=0):
58 """ internalBandwidth is bandwidth of all links within the cluster
59 externalBandwidth is bandwidth from this cluster to any cluster
60 connecting to it.
61 internal/externalLatency are similar
62 **** When creating a cluster with sub-clusters, the sub-cluster
63 external bandwidth overrides the internal bandwidth of the
64 super cluster
65 """
66 self.nodes = []
67 self.router = None # created in makeTopology
68 self.intBW = intBW
69 self.extBW = extBW
70 self.intLatency = intLatency
71 self.extLatency = extLatency
72
73 def add(self, node):
74 self.nodes.append(node)
75
76 def makeTopology(self, options, IntLink, ExtLink, Router):
77 """ Recursively make all of the links and routers
78 """
79 routers = []
80 int_links = []
81 ext_links = []
82
83 # make a router to connect all of the nodes
84 self.router = Router(router_id=self.num_routers())
85 routers.append(self.router)
86 for node in self.nodes:
87 if type(node) == Cluster:
88 subRouters, subIntLinks, subExtLinks = node.makeTopology(options, IntLink, ExtLink, Router)
89 routers += subRouters
90 int_links += subIntLinks
91 ext_links += subExtLinks
92
93 # connect this cluster to the router
94 link = IntLink(link_id=self.num_int_links(), node_a=self.router, node_b=node.router)
95 if node.extBW:
96 link.bandwidth_factor = node.extBW
97 elif self.intBW: # if there is an interanl b/w for this node and no ext b/w to override
98 link.bandwidth_factor = self.intBW
99
100 if node.extLatency:
101 link.latency = node.extLatency
102 elif self.intLatency:
103 link.latency = self.intLatency
104
105 int_links.append(link)
106 else:
107 # node is just a controller connect it to the router via a ext_link
108 link = ExtLink(link_id=self.num_ext_links(), ext_node=node, int_node=self.router)
109 if self.intBW:
110 link.bandwidth_factor = self.intBW
111 if self.intLatency:
112 link.latency = self.intLatency
113
114 ext_links.append(link)
115
116 return routers, int_links, ext_links
117
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