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OmegaDirCorners.py
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OmegaDirCorners.py
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# -*- coding: utf-8 -*-
# # Copyright (c) 2010 Advanced Micro Devices, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Brad Beckmann
#
# ^ ORIGINAL COPYRIGHT OF MESH TOPOLOGY WHICH WAS USED AS BASE TO THIS ^
#
# 2018
# Author: Bruno Cesar Puli Dala Rosa, bcesar.g6@gmail.com
from m5.params import *
from m5.objects import *
from math import *
from BaseTopology import SimpleTopology
# Cria uma topologia Omega com 4 diretórios, um em cada canto da topologia.
class OmegaDirCorners(SimpleTopology):
description='OmegaDirCorners'
def __init__(self, controllers):
self.nodes = controllers
def makeTopology(self, options, network, IntLink, ExtLink, Router):
nodes = self.nodes
# 1-ary
cpu_per_router = 1
num_routers = int((options.num_cpus * (log(options.num_cpus,2) + 1)) / cpu_per_router)
print("Butterfly number of routers = " + str(num_routers))
num_rows = int(log(options.num_cpus, 2) + (2 - cpu_per_router))
print("With " + str(num_rows) + " Ranks")
## Define as latencias associadas.
# default values for link latency and router latency.
# Can be over-ridden on a per link/router basis
link_latency = options.link_latency # used by simple and garnet
router_latency = options.router_latency # only used by garnet
# Determina quais nodos são controladores de cache vs diretórios vs DMA
cache_nodes = []
dir_nodes = []
dma_nodes = []
for node in nodes:
if node.type == 'L1Cache_Controller' or \
node.type == 'L2Cache_Controller':
cache_nodes.append(node)
elif node.type == 'Directory_Controller':
dir_nodes.append(node)
elif node.type == 'DMA_Controller':
dma_nodes.append(node)
# O número de linhas deve ser <= ao número de roteadores e divisivel por ele.
# O número de diretórios deve ser igual a 4.
assert(num_rows > 0 and num_rows <= num_routers)
assert(len(dir_nodes) == 4)
# Cria os roteadores
routers = [Router(router_id=i, latency = router_latency) \
for i in range(num_routers)]
network.routers = routers
# Contador de ID's para gerar ID's únicos das ligações.
link_count = 0
# Conecta cada nodo ao seu roteador apropriado
ext_links = []
print("Conectando os nodes aos roteadores\n")
for (i, n) in enumerate(cache_nodes):
cntrl_level, router_id = divmod(i, options.num_cpus / cpu_per_router)
print("Conectado o node " + str(n) + " ao roteador " + str(router_id) + "\n")
ext_links.append(ExtLink(link_id=link_count, ext_node=n,
int_node=routers[router_id],
latency = link_latency))
link_count += 1
# Conecta os diretórios aos 4 "cantos" : 1 no inicio, 1 no fim, 2 no centro.
print("Diretorio 1 ligado ao roteador 0")
ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[0],
int_node=routers[0],
latency = link_latency))
link_count += 1
print("Diretorio 2 ligado ao roteador " + str((options.num_cpus / cpu_per_router / 2) - 1))
ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[1],
int_node=routers[(options.num_cpus / cpu_per_router / 2) - 1],
latency = link_latency))
link_count += 1
print("Diretorio 3 ligado ao roteador " + str(options.num_cpus/cpu_per_router / 2))
ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[2],
int_node=routers[options.num_cpus / cpu_per_router / 2],
latency = link_latency))
link_count += 1
print("Diretorio 4 ligado ao roteador " + str((options.num_cpus / cpu_per_router) - 1))
ext_links.append(ExtLink(link_id=link_count, ext_node=dir_nodes[3],
int_node=routers[(options.num_cpus / cpu_per_router) - 1],
latency = link_latency))
link_count += 1
# Conecta os nodos de DMA ao roteador 0. These should only be DMA nodes.
for (i, node) in enumerate(dma_nodes):
assert(node.type == 'DMA_Controller')
ext_links.append(ExtLink(link_id=link_count, ext_node=node,
int_node=routers[0],
latency = link_latency))
network.ext_links = ext_links
# Cria as conexões entre os roteadores em Omega
print("\nConectando os roteadores entre eles")
int_links = []
for i in xrange(num_rows - 1):
aux = 0
for j in xrange(options.num_cpus / cpu_per_router):
print("\nO node [" +str(i)+ ","+str(j)+"] se conecta em:")
print("[" + str(i+1) + "," + str(aux) + "]")
_out = (i * options.num_cpus / cpu_per_router) + j
_in = ((i+1) * options.num_cpus / cpu_per_router) + aux
print("Ligou o " + str(_out) + " no " + str(_in))
int_links.append(IntLink(link_id=link_count,
src_node=routers[_out],
dst_node=routers[_in],
src_outport="South",
dst_inport="North",
latency = link_latency,
weight=1))
link_count += 1
print("Ligou o " + str(_in) + " no " + str(_out))
int_links.append(IntLink(link_id=link_count,
src_node=routers[_in],
dst_node=routers[_out],
src_outport="North",
dst_inport="South",
latency = link_latency,
weight=1))
link_count += 1
aux += 1
print("\nE em [" + str(i+1) + "," + str(aux) + "]")
_in = ((i+1) * options.num_cpus / cpu_per_router) + aux
print("Ligou o " + str(_out) + " no " + str(_in))
int_links.append(IntLink(link_id=link_count,
src_node=routers[_out],
dst_node=routers[_in],
src_outport="South",
dst_inport="North",
latency = link_latency,
weight=1))
link_count += 1
print("Ligou o " + str(_in) + " no " + str(_out))
int_links.append(IntLink(link_id=link_count,
src_node=routers[_in],
dst_node=routers[_out],
src_outport="North",
dst_inport="South",
latency = link_latency,
weight=1))
link_count += 1
if(j == (options.num_cpus / cpu_per_router / 2) - 1):
print("---RESETOU AUX!!!---")
aux = 0
else:
aux += 1
network.int_links = int_links