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
29from __future__ import print_function
30from __future__ import absolute_import
31
32from .BaseTopology import BaseTopology
33
34class Cluster(BaseTopology):
35 """ A cluster is a group of nodes which are all one hop from eachother
36 Clusters can also contain other clusters
37 When creating this kind of topology, return a single cluster (usually
38 the root cluster) from create_system in configs/ruby/<protocol>.py
39 """
40
41 _num_int_links = 0
42 _num_ext_links = 0
43 _num_routers = 0
44
45 # Below methods for auto counting
46 @classmethod
47 def num_int_links(cls):
48 cls._num_int_links += 1
49 return cls._num_int_links - 1
50 @classmethod
51 def num_ext_links(cls):
52 cls._num_ext_links += 1
53 return cls._num_ext_links - 1
54 @classmethod
55 def num_routers(cls):
56 cls._num_routers += 1
57 return cls._num_routers - 1
58
59 def __init__(self, intBW=0, extBW=0, intLatency=0, extLatency=0):
60 """ internalBandwidth is bandwidth of all links within the cluster
61 externalBandwidth is bandwidth from this cluster to any cluster
62 connecting to it.
63 internal/externalLatency are similar
64 **** When creating a cluster with sub-clusters, the sub-cluster
65 external bandwidth overrides the internal bandwidth of the
66 super cluster
67 """
68 self.nodes = []
69 self.router = None # created in makeTopology
70 self.intBW = intBW
71 self.extBW = extBW
72 self.intLatency = intLatency
73 self.extLatency = extLatency
74
75 def add(self, node):
76 self.nodes.append(node)
77
78 def makeTopology(self, options, network, IntLink, ExtLink, Router):
79 """ Recursively make all of the links and routers
80 """
81
82 # make a router to connect all of the nodes
83 self.router = Router(router_id=self.num_routers())
84 network.routers.append(self.router)
85
86 for node in self.nodes:
87 if type(node) == Cluster:
| 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
29from __future__ import print_function
30from __future__ import absolute_import
31
32from .BaseTopology import BaseTopology
33
34class Cluster(BaseTopology):
35 """ A cluster is a group of nodes which are all one hop from eachother
36 Clusters can also contain other clusters
37 When creating this kind of topology, return a single cluster (usually
38 the root cluster) from create_system in configs/ruby/<protocol>.py
39 """
40
41 _num_int_links = 0
42 _num_ext_links = 0
43 _num_routers = 0
44
45 # Below methods for auto counting
46 @classmethod
47 def num_int_links(cls):
48 cls._num_int_links += 1
49 return cls._num_int_links - 1
50 @classmethod
51 def num_ext_links(cls):
52 cls._num_ext_links += 1
53 return cls._num_ext_links - 1
54 @classmethod
55 def num_routers(cls):
56 cls._num_routers += 1
57 return cls._num_routers - 1
58
59 def __init__(self, intBW=0, extBW=0, intLatency=0, extLatency=0):
60 """ internalBandwidth is bandwidth of all links within the cluster
61 externalBandwidth is bandwidth from this cluster to any cluster
62 connecting to it.
63 internal/externalLatency are similar
64 **** When creating a cluster with sub-clusters, the sub-cluster
65 external bandwidth overrides the internal bandwidth of the
66 super cluster
67 """
68 self.nodes = []
69 self.router = None # created in makeTopology
70 self.intBW = intBW
71 self.extBW = extBW
72 self.intLatency = intLatency
73 self.extLatency = extLatency
74
75 def add(self, node):
76 self.nodes.append(node)
77
78 def makeTopology(self, options, network, IntLink, ExtLink, Router):
79 """ Recursively make all of the links and routers
80 """
81
82 # make a router to connect all of the nodes
83 self.router = Router(router_id=self.num_routers())
84 network.routers.append(self.router)
85
86 for node in self.nodes:
87 if type(node) == Cluster:
|
89
90 # connect this cluster to the router
91 link_out = IntLink(link_id=self.num_int_links(), src_node=self.router,
92 dst_node=node.router)
93 link_in = IntLink(link_id=self.num_int_links(), src_node=node.router,
94 dst_node=self.router)
95
96 if node.extBW:
97 link_out.bandwidth_factor = node.extBW
98 link_in.bandwidth_factor = node.extBW
99
100 # if there is an internal b/w for this node
101 # and no ext b/w to override
102 elif self.intBW:
103 link_out.bandwidth_factor = self.intBW
104 link_in.bandwidth_factor = self.intBW
105
106 if node.extLatency:
107 link_out.latency = node.extLatency
108 link_in.latency = node.extLatency
109 elif self.intLatency:
110 link_out.latency = self.intLatency
111 link_in.latency = self.intLatency
112
113 network.int_links.append(link_out)
114 network.int_links.append(link_in)
115 else:
116 # node is just a controller,
117 # connect it to the router via a ext_link
118 link = ExtLink(link_id=self.num_ext_links(), ext_node=node,
119 int_node=self.router)
120
121 if self.intBW:
122 link.bandwidth_factor = self.intBW
123 if self.intLatency:
124 link.latency = self.intLatency
125
126 network.ext_links.append(link)
127
128 def __len__(self):
129 return len([i for i in self.nodes if type(i) != Cluster]) + \
130 sum([len(i) for i in self.nodes if type(i) == Cluster])
| 90
91 # connect this cluster to the router
92 link_out = IntLink(link_id=self.num_int_links(), src_node=self.router,
93 dst_node=node.router)
94 link_in = IntLink(link_id=self.num_int_links(), src_node=node.router,
95 dst_node=self.router)
96
97 if node.extBW:
98 link_out.bandwidth_factor = node.extBW
99 link_in.bandwidth_factor = node.extBW
100
101 # if there is an internal b/w for this node
102 # and no ext b/w to override
103 elif self.intBW:
104 link_out.bandwidth_factor = self.intBW
105 link_in.bandwidth_factor = self.intBW
106
107 if node.extLatency:
108 link_out.latency = node.extLatency
109 link_in.latency = node.extLatency
110 elif self.intLatency:
111 link_out.latency = self.intLatency
112 link_in.latency = self.intLatency
113
114 network.int_links.append(link_out)
115 network.int_links.append(link_in)
116 else:
117 # node is just a controller,
118 # connect it to the router via a ext_link
119 link = ExtLink(link_id=self.num_ext_links(), ext_node=node,
120 int_node=self.router)
121
122 if self.intBW:
123 link.bandwidth_factor = self.intBW
124 if self.intLatency:
125 link.latency = self.intLatency
126
127 network.ext_links.append(link)
128
129 def __len__(self):
130 return len([i for i in self.nodes if type(i) != Cluster]) + \
131 sum([len(i) for i in self.nodes if type(i) == Cluster])
|