Network.py (6916:a421f60f0e87) Network.py (6968:33d2b758697b)
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

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65 num_int_nodes=len(nodes)+1)
66
67def makeMesh(nodes, num_routers, num_rows):
68 #
69 # There must be an evenly divisible number of cntrls to routers
70 # Also, obviously the number or rows must be <= the number of routers
71 #
72 cntrls_per_router, remainder = divmod(len(nodes), num_routers)
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

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

65 num_int_nodes=len(nodes)+1)
66
67def makeMesh(nodes, num_routers, num_rows):
68 #
69 # There must be an evenly divisible number of cntrls to routers
70 # Also, obviously the number or rows must be <= the number of routers
71 #
72 cntrls_per_router, remainder = divmod(len(nodes), num_routers)
73 assert(remainder == 0)
74 assert(num_rows <= num_routers)
75 num_columns = int(num_routers / num_rows)
76 assert(num_columns * num_rows == num_routers)
77
78 #
73 assert(num_rows <= num_routers)
74 num_columns = int(num_routers / num_rows)
75 assert(num_columns * num_rows == num_routers)
76
77 #
78 # Add all but the remainder nodes to the list of nodes to be uniformly
79 # distributed across the network.
80 #
81 network_nodes = []
82 remainder_nodes = []
83 for node_index in xrange(len(nodes)):
84 if node_index < (len(nodes) - remainder):
85 network_nodes.append(nodes[node_index])
86 else:
87 remainder_nodes.append(nodes[node_index])
88
89 #
79 # Connect each node to the appropriate router
80 #
81 ext_links = []
90 # Connect each node to the appropriate router
91 #
92 ext_links = []
82 for (i, n) in enumerate(nodes):
93 for (i, n) in enumerate(network_nodes):
83 cntrl_level, router_id = divmod(i, num_routers)
84 assert(cntrl_level < cntrls_per_router)
85 ext_links.append(ExtLink(ext_node=n, int_node=router_id))
86
87 #
94 cntrl_level, router_id = divmod(i, num_routers)
95 assert(cntrl_level < cntrls_per_router)
96 ext_links.append(ExtLink(ext_node=n, int_node=router_id))
97
98 #
99 # Connect the remainding nodes to router 0. These should only be DMA nodes.
100 #
101 for (i, node) in enumerate(remainder_nodes):
102 assert(node.type == 'DMA_Controller')
103 assert(i < remainder)
104 ext_links.append(ExtLink(ext_node=node, int_node=0))
105
106 #
88 # Create the mesh links. First row (east-west) links then column
89 # (north-south) links
90 #
91 int_links = []
92 for row in xrange(num_rows):
93 for col in xrange(num_columns):
94 if (col + 1 < num_columns):
95 east_id = col + (row * num_columns)

--- 30 unchanged lines hidden --- 		107 # Create the mesh links. First row (east-west) links then column
108 # (north-south) links
109 #
110 int_links = []
111 for row in xrange(num_rows):
112 for col in xrange(num_columns):
113 if (col + 1 < num_columns):
114 east_id = col + (row * num_columns)

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