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Diffstat (limited to 'tests/configs/gpu-randomtest-ruby.py')
| -rw-r--r-- | tests/configs/gpu-randomtest-ruby.py | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/tests/configs/gpu-randomtest-ruby.py b/tests/configs/gpu-randomtest-ruby.py new file mode 100644 index 000000000..92e300394 --- /dev/null +++ b/tests/configs/gpu-randomtest-ruby.py @@ -0,0 +1,151 @@ +# +# Copyright (c) 2010-2015 Advanced Micro Devices, Inc. +# All rights reserved. +# +# For use for simulation and test purposes only +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# 2. 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. +# +# 3. Neither the name of the copyright holder 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 HOLDER 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: Brad Beckmann +# + +import m5 +from m5.objects import * +from m5.defines import buildEnv +from m5.util import addToPath +import os, optparse, sys + +# 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) +addToPath(config_root+'/configs/common') +addToPath(config_root+'/configs/ruby') +addToPath(config_root+'/configs/topologies') + +import Ruby +import Options + +parser = optparse.OptionParser() +Options.addCommonOptions(parser) + +# add the gpu specific options expected by the the gpu and gpu_RfO +parser.add_option("-u", "--num-compute-units", type="int", default=8, + help="number of compute units in the GPU") +parser.add_option("--numCPs", type="int", default=0, + help="Number of GPU Command Processors (CP)") +parser.add_option("--simds-per-cu", type="int", default=4, help="SIMD units" \ + "per CU") +parser.add_option("--wf-size", type="int", default=64, + help="Wavefront size(in workitems)") +parser.add_option("--wfs-per-simd", type="int", default=10, help="Number of " \ + "WF slots per SIMD") + +# Add the ruby specific and protocol specific options +Ruby.define_options(parser) + +(options, args) = parser.parse_args() + +# +# Set the default cache size and associativity to be very small to encourage +# races between requests and writebacks. +# +options.l1d_size="256B" +options.l1i_size="256B" +options.l2_size="512B" +options.l3_size="1kB" +options.l1d_assoc=2 +options.l1i_assoc=2 +options.l2_assoc=2 +options.l3_assoc=2 +options.num_compute_units=8 +options.num_sqc=2 + +# Check to for the GPU_RfO protocol. Other GPU protocols are non-SC and will +# not work with the Ruby random tester. +assert(buildEnv['PROTOCOL'] == 'GPU_RfO') + +# +# create the tester and system, including ruby +# +tester = RubyTester(check_flush = False, checks_to_complete = 100, + wakeup_frequency = 10, num_cpus = options.num_cpus) + +# We set the testers as cpu for ruby to find the correct clock domains +# for the L1 Objects. +system = System(cpu = tester) + +# Dummy voltage domain for all our clock domains +system.voltage_domain = VoltageDomain(voltage = options.sys_voltage) +system.clk_domain = SrcClockDomain(clock = '1GHz', + voltage_domain = system.voltage_domain) + +system.mem_ranges = AddrRange('256MB') + +Ruby.create_system(options, False, system) + +# Create a separate clock domain for Ruby +system.ruby.clk_domain = SrcClockDomain(clock = '1GHz', + voltage_domain = system.voltage_domain) + +tester.num_cpus = len(system.ruby._cpu_ports) + +# +# The tester is most effective when randomization is turned on and +# artifical delay is randomly inserted on messages +# +system.ruby.randomization = True + +for ruby_port in system.ruby._cpu_ports: + # + # Tie the ruby tester ports to the ruby cpu read and write ports + # + if ruby_port.support_data_reqs and ruby_port.support_inst_reqs: + tester.cpuInstDataPort = ruby_port.slave + elif ruby_port.support_data_reqs: + tester.cpuDataPort = ruby_port.slave + elif ruby_port.support_inst_reqs: + tester.cpuInstPort = ruby_port.slave + + # Do not automatically retry stalled Ruby requests + ruby_port.no_retry_on_stall = True + + # + # Tell the sequencer this is the ruby tester so that it + # copies the subblock back to the checker + # + ruby_port.using_ruby_tester = True + +# ----------------------- +# 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') |