Mesh_westfirst.py (11666:10d59d546ea2) Mesh_westfirst.py (13731:67cd980cb20f)
1# Copyright (c) 2010 Advanced Micro Devices, Inc.
2# 2016 Georgia Institute of Technology
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;

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77
78 # link counter to set unique link ids
79 link_count = 0
80
81 # Add all but the remainder nodes to the list of nodes to be uniformly
82 # distributed across the network.
83 network_nodes = []
84 remainder_nodes = []
1# Copyright (c) 2010 Advanced Micro Devices, Inc.
2# 2016 Georgia Institute of Technology
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;

--- 68 unchanged lines hidden (view full) ---

77
78 # link counter to set unique link ids
79 link_count = 0
80
81 # Add all but the remainder nodes to the list of nodes to be uniformly
82 # distributed across the network.
83 network_nodes = []
84 remainder_nodes = []
85 for node_index in xrange(len(nodes)):
85 for node_index in range(len(nodes)):
86 if node_index < (len(nodes) - remainder):
87 network_nodes.append(nodes[node_index])
88 else:
89 remainder_nodes.append(nodes[node_index])
90
91 # Connect each node to the appropriate router
92 ext_links = []
93 for (i, n) in enumerate(network_nodes):

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109 link_count += 1
110
111 network.ext_links = ext_links
112
113 # Create the mesh links.
114 int_links = []
115
116 # East output to West input links (weight = 2)
86 if node_index < (len(nodes) - remainder):
87 network_nodes.append(nodes[node_index])
88 else:
89 remainder_nodes.append(nodes[node_index])
90
91 # Connect each node to the appropriate router
92 ext_links = []
93 for (i, n) in enumerate(network_nodes):

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109 link_count += 1
110
111 network.ext_links = ext_links
112
113 # Create the mesh links.
114 int_links = []
115
116 # East output to West input links (weight = 2)
117 for row in xrange(num_rows):
118 for col in xrange(num_columns):
117 for row in range(num_rows):
118 for col in range(num_columns):
119 if (col + 1 < num_columns):
120 east_out = col + (row * num_columns)
121 west_in = (col + 1) + (row * num_columns)
122 int_links.append(IntLink(link_id=link_count,
123 src_node=routers[east_out],
124 dst_node=routers[west_in],
125 latency = link_latency,
126 weight=2))
127 link_count += 1
128
129 # West output to East input links (weight = 1)
119 if (col + 1 < num_columns):
120 east_out = col + (row * num_columns)
121 west_in = (col + 1) + (row * num_columns)
122 int_links.append(IntLink(link_id=link_count,
123 src_node=routers[east_out],
124 dst_node=routers[west_in],
125 latency = link_latency,
126 weight=2))
127 link_count += 1
128
129 # West output to East input links (weight = 1)
130 for row in xrange(num_rows):
131 for col in xrange(num_columns):
130 for row in range(num_rows):
131 for col in range(num_columns):
132 if (col + 1 < num_columns):
133 east_in = col + (row * num_columns)
134 west_out = (col + 1) + (row * num_columns)
135 int_links.append(IntLink(link_id=link_count,
136 src_node=routers[west_out],
137 dst_node=routers[east_in],
138 latency = link_latency,
139 weight=1))
140 link_count += 1
141
142
143 # North output to South input links (weight = 2)
132 if (col + 1 < num_columns):
133 east_in = col + (row * num_columns)
134 west_out = (col + 1) + (row * num_columns)
135 int_links.append(IntLink(link_id=link_count,
136 src_node=routers[west_out],
137 dst_node=routers[east_in],
138 latency = link_latency,
139 weight=1))
140 link_count += 1
141
142
143 # North output to South input links (weight = 2)
144 for col in xrange(num_columns):
145 for row in xrange(num_rows):
144 for col in range(num_columns):
145 for row in range(num_rows):
146 if (row + 1 < num_rows):
147 north_out = col + (row * num_columns)
148 south_in = col + ((row + 1) * num_columns)
149 int_links.append(IntLink(link_id=link_count,
150 src_node=routers[north_out],
151 dst_node=routers[south_in],
152 latency = link_latency,
153 weight=2))
154 link_count += 1
155
156 # South output to North input links (weight = 2)
146 if (row + 1 < num_rows):
147 north_out = col + (row * num_columns)
148 south_in = col + ((row + 1) * num_columns)
149 int_links.append(IntLink(link_id=link_count,
150 src_node=routers[north_out],
151 dst_node=routers[south_in],
152 latency = link_latency,
153 weight=2))
154 link_count += 1
155
156 # South output to North input links (weight = 2)
157 for col in xrange(num_columns):
158 for row in xrange(num_rows):
157 for col in range(num_columns):
158 for row in range(num_rows):
159 if (row + 1 < num_rows):
160 north_in = col + (row * num_columns)
161 south_out = col + ((row + 1) * num_columns)
162 int_links.append(IntLink(link_id=link_count,
163 src_node=routers[south_out],
164 dst_node=routers[north_in],
165 latency = link_latency,
166 weight=2))
167 link_count += 1
168
169
170 network.int_links = int_links
159 if (row + 1 < num_rows):
160 north_in = col + (row * num_columns)
161 south_out = col + ((row + 1) * num_columns)
162 int_links.append(IntLink(link_id=link_count,
163 src_node=routers[south_out],
164 dst_node=routers[north_in],
165 latency = link_latency,
166 weight=2))
167 link_count += 1
168
169
170 network.int_links = int_links