gpu-randomtest-ruby.py revision 11670:6ce719503eae
1# 2# Copyright (c) 2010-2015 Advanced Micro Devices, Inc. 3# All rights reserved. 4# 5# For use for simulation and test purposes only 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions are met: 9# 10# 1. Redistributions of source code must retain the above copyright notice, 11# this list of conditions and the following disclaimer. 12# 13# 2. Redistributions in binary form must reproduce the above copyright notice, 14# this list of conditions and the following disclaimer in the documentation 15# and/or other materials provided with the distribution. 16# 17# 3. Neither the name of the copyright holder nor the names of its contributors 18# may be used to endorse or promote products derived from this software 19# without specific prior written permission. 20# 21# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 25# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31# POSSIBILITY OF SUCH DAMAGE. 32# 33# Author: Brad Beckmann 34# 35 36import m5 37from m5.objects import * 38from m5.defines import buildEnv 39from m5.util import addToPath 40import os, optparse, sys 41 42m5.util.addToPath('../configs/common') 43m5.util.addToPath('../configs/') 44 45from ruby import Ruby 46import Options 47 48parser = optparse.OptionParser() 49Options.addCommonOptions(parser) 50 51# add the gpu specific options expected by the the gpu and gpu_RfO 52parser.add_option("-u", "--num-compute-units", type="int", default=8, 53 help="number of compute units in the GPU") 54parser.add_option("--num-cp", type="int", default=0, 55 help="Number of GPU Command Processors (CP)") 56parser.add_option("--simds-per-cu", type="int", default=4, help="SIMD units" \ 57 "per CU") 58parser.add_option("--wf-size", type="int", default=64, 59 help="Wavefront size(in workitems)") 60parser.add_option("--wfs-per-simd", type="int", default=10, help="Number of " \ 61 "WF slots per SIMD") 62 63# Add the ruby specific and protocol specific options 64Ruby.define_options(parser) 65 66(options, args) = parser.parse_args() 67 68# 69# Set the default cache size and associativity to be very small to encourage 70# races between requests and writebacks. 71# 72options.l1d_size="256B" 73options.l1i_size="256B" 74options.l2_size="512B" 75options.l3_size="1kB" 76options.l1d_assoc=2 77options.l1i_assoc=2 78options.l2_assoc=2 79options.l3_assoc=2 80options.num_compute_units=8 81options.num_sqc=2 82 83# Check to for the GPU_RfO protocol. Other GPU protocols are non-SC and will 84# not work with the Ruby random tester. 85assert(buildEnv['PROTOCOL'] == 'GPU_RfO') 86 87# 88# create the tester and system, including ruby 89# 90tester = RubyTester(check_flush = False, checks_to_complete = 100, 91 wakeup_frequency = 10, num_cpus = options.num_cpus) 92 93# We set the testers as cpu for ruby to find the correct clock domains 94# for the L1 Objects. 95system = System(cpu = tester) 96 97# Dummy voltage domain for all our clock domains 98system.voltage_domain = VoltageDomain(voltage = options.sys_voltage) 99system.clk_domain = SrcClockDomain(clock = '1GHz', 100 voltage_domain = system.voltage_domain) 101 102system.mem_ranges = AddrRange('256MB') 103 104Ruby.create_system(options, False, system) 105 106# Create a separate clock domain for Ruby 107system.ruby.clk_domain = SrcClockDomain(clock = '1GHz', 108 voltage_domain = system.voltage_domain) 109 110tester.num_cpus = len(system.ruby._cpu_ports) 111 112# 113# The tester is most effective when randomization is turned on and 114# artifical delay is randomly inserted on messages 115# 116system.ruby.randomization = True 117 118for ruby_port in system.ruby._cpu_ports: 119 # 120 # Tie the ruby tester ports to the ruby cpu read and write ports 121 # 122 if ruby_port.support_data_reqs and ruby_port.support_inst_reqs: 123 tester.cpuInstDataPort = ruby_port.slave 124 elif ruby_port.support_data_reqs: 125 tester.cpuDataPort = ruby_port.slave 126 elif ruby_port.support_inst_reqs: 127 tester.cpuInstPort = ruby_port.slave 128 129 # Do not automatically retry stalled Ruby requests 130 ruby_port.no_retry_on_stall = True 131 132 # 133 # Tell the sequencer this is the ruby tester so that it 134 # copies the subblock back to the checker 135 # 136 ruby_port.using_ruby_tester = True 137 138# ----------------------- 139# run simulation 140# ----------------------- 141 142root = Root(full_system = False, system = system ) 143root.system.mem_mode = 'timing' 144 145# Not much point in this being higher than the L1 latency 146m5.ticks.setGlobalFrequency('1ns') 147