gpu-randomtest-ruby.py revision 11682:612f75cf36a0
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/') 43 44from ruby import Ruby 45from common import Options 46 47parser = optparse.OptionParser() 48Options.addCommonOptions(parser) 49 50# add the gpu specific options expected by the the gpu and gpu_RfO 51parser.add_option("-u", "--num-compute-units", type="int", default=8, 52 help="number of compute units in the GPU") 53parser.add_option("--num-cp", type="int", default=0, 54 help="Number of GPU Command Processors (CP)") 55parser.add_option("--simds-per-cu", type="int", default=4, help="SIMD units" \ 56 "per CU") 57parser.add_option("--wf-size", type="int", default=64, 58 help="Wavefront size(in workitems)") 59parser.add_option("--wfs-per-simd", type="int", default=10, help="Number of " \ 60 "WF slots per SIMD") 61 62# Add the ruby specific and protocol specific options 63Ruby.define_options(parser) 64 65(options, args) = parser.parse_args() 66 67# 68# Set the default cache size and associativity to be very small to encourage 69# races between requests and writebacks. 70# 71options.l1d_size="256B" 72options.l1i_size="256B" 73options.l2_size="512B" 74options.l3_size="1kB" 75options.l1d_assoc=2 76options.l1i_assoc=2 77options.l2_assoc=2 78options.l3_assoc=2 79options.num_compute_units=8 80options.num_sqc=2 81 82# Check to for the GPU_RfO protocol. Other GPU protocols are non-SC and will 83# not work with the Ruby random tester. 84assert(buildEnv['PROTOCOL'] == 'GPU_RfO') 85 86# 87# create the tester and system, including ruby 88# 89tester = RubyTester(check_flush = False, checks_to_complete = 100, 90 wakeup_frequency = 10, num_cpus = options.num_cpus) 91 92# We set the testers as cpu for ruby to find the correct clock domains 93# for the L1 Objects. 94system = System(cpu = tester) 95 96# Dummy voltage domain for all our clock domains 97system.voltage_domain = VoltageDomain(voltage = options.sys_voltage) 98system.clk_domain = SrcClockDomain(clock = '1GHz', 99 voltage_domain = system.voltage_domain) 100 101system.mem_ranges = AddrRange('256MB') 102 103Ruby.create_system(options, False, system) 104 105# Create a separate clock domain for Ruby 106system.ruby.clk_domain = SrcClockDomain(clock = '1GHz', 107 voltage_domain = system.voltage_domain) 108 109tester.num_cpus = len(system.ruby._cpu_ports) 110 111# 112# The tester is most effective when randomization is turned on and 113# artifical delay is randomly inserted on messages 114# 115system.ruby.randomization = True 116 117for ruby_port in system.ruby._cpu_ports: 118 # 119 # Tie the ruby tester ports to the ruby cpu read and write ports 120 # 121 if ruby_port.support_data_reqs and ruby_port.support_inst_reqs: 122 tester.cpuInstDataPort = ruby_port.slave 123 elif ruby_port.support_data_reqs: 124 tester.cpuDataPort = ruby_port.slave 125 elif ruby_port.support_inst_reqs: 126 tester.cpuInstPort = ruby_port.slave 127 128 # Do not automatically retry stalled Ruby requests 129 ruby_port.no_retry_on_stall = True 130 131 # 132 # Tell the sequencer this is the ruby tester so that it 133 # copies the subblock back to the checker 134 # 135 ruby_port.using_ruby_tester = True 136 137# ----------------------- 138# run simulation 139# ----------------------- 140 141root = Root(full_system = False, system = system ) 142root.system.mem_mode = 'timing' 143 144# Not much point in this being higher than the L1 latency 145m5.ticks.setGlobalFrequency('1ns') 146