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Diffstat (limited to 'configs/example/garnet_synth_traffic.py')
| -rw-r--r-- | configs/example/garnet_synth_traffic.py | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/configs/example/garnet_synth_traffic.py b/configs/example/garnet_synth_traffic.py new file mode 100644 index 000000000..a4c44efbc --- /dev/null +++ b/configs/example/garnet_synth_traffic.py @@ -0,0 +1,157 @@ +# Copyright (c) 2016 Georgia Institute of Technology +# 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. +# +# Author: Tushar Krishna + +import m5 +from m5.objects import * +from m5.defines import buildEnv +from m5.util import addToPath +import os, optparse, sys +addToPath('../common') +addToPath('../ruby') +addToPath('../topologies') + +import Options +import Ruby + +# Get paths we might need. It's expected this file is in m5/configs/example. +config_path = os.path.dirname(os.path.abspath(__file__)) +config_root = os.path.dirname(config_path) +m5_root = os.path.dirname(config_root) + +parser = optparse.OptionParser() +Options.addCommonOptions(parser) + +parser.add_option("--synthetic", type="choice", default="uniform_random", + choices=['uniform_random', 'tornado', 'bit_complement', \ + 'bit_reverse', 'bit_rotation', 'neighbor', \ + 'shuffle', 'transpose']) + +parser.add_option("-i", "--injectionrate", type="float", default=0.1, + metavar="I", + help="Injection rate in packets per cycle per node. \ + Takes decimal value between 0 to 1 (eg. 0.225). \ + Number of digits after 0 depends upon --precision.") + +parser.add_option("--precision", type="int", default=3, + help="Number of digits of precision after decimal point\ + for injection rate") + +parser.add_option("--sim-cycles", type="int", default=1000, + help="Number of simulation cycles") + +parser.add_option("--num-packets-max", type="int", default=-1, + help="Stop injecting after --num-packets-max.\ + Set to -1 to disable.") + +parser.add_option("--single-sender-id", type="int", default=-1, + help="Only inject from this sender.\ + Set to -1 to disable.") + +parser.add_option("--single-dest-id", type="int", default=-1, + help="Only send to this destination.\ + Set to -1 to disable.") + +parser.add_option("--inj-vnet", type="int", default=-1, + help="Only inject in this vnet (0, 1 or 2).\ + 0 and 1 are 1-flit, 2 is 5-flit.\ + Set to -1 to inject randomly in all vnets.") + +# +# Add the ruby specific and protocol specific options +# +Ruby.define_options(parser) + +execfile(os.path.join(config_root, "common", "Options.py")) + +(options, args) = parser.parse_args() + +if args: + print "Error: script doesn't take any positional arguments" + sys.exit(1) + + +if options.inj_vnet > 2: + print "Error: Injection vnet %d should be 0 (1-flit), 1 (1-flit) \ + or 2 (5-flit) or -1 (random)"\ + % (options.inj_vnet) + sys.exit(1) + + +cpus = [ GarnetSyntheticTraffic( + num_packets_max=options.num_packets_max, + single_sender=options.single_sender_id, + single_dest=options.single_dest_id, + sim_cycles=options.sim_cycles, + traffic_type=options.synthetic, + inj_rate=options.injectionrate, + inj_vnet=options.inj_vnet, + precision=options.precision, + num_dest=options.num_dirs) \ + for i in xrange(options.num_cpus) ] + +# create the desired simulated system +system = System(cpu = cpus, mem_ranges = [AddrRange(options.mem_size)]) + + +# Create a top-level voltage domain and clock domain +system.voltage_domain = VoltageDomain(voltage = options.sys_voltage) + +system.clk_domain = SrcClockDomain(clock = options.sys_clock, + voltage_domain = system.voltage_domain) + +Ruby.create_system(options, False, system) + +# Create a seperate clock domain for Ruby +system.ruby.clk_domain = SrcClockDomain(clock = options.ruby_clock, + voltage_domain = system.voltage_domain) + +i = 0 +for ruby_port in system.ruby._cpu_ports: + # + # Tie the cpu test ports to the ruby cpu port + # + cpus[i].test = ruby_port.slave + i += 1 + +# ----------------------- +# run simulation +# ----------------------- + +root = Root(full_system = False, system = system) +root.system.mem_mode = 'timing' + +# Not much point in this being higher than the L1 latency +m5.ticks.setGlobalFrequency('1ns') + +# instantiate configuration +m5.instantiate() + +# simulate until program terminates +exit_event = m5.simulate(options.abs_max_tick) + +print 'Exiting @ tick', m5.curTick(), 'because', exit_event.getCause() |