Files
gem5/tests/configs/gpu-randomtest-ruby.py
Matthew Poremba 9313294efe misc: Remove AMD license addition
Remove the line "For use for simulation and test purposes only" in files
were AMD is the only copyright holder listed in the header. This happens
to be the case for all files where this line exists, removing it
completely from gem5.

Change-Id: I623f266b002f564301b28774f49081099cfc60fd
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/53943
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
2021-12-11 04:00:56 +00:00

144 lines
5.1 KiB
Python

#
# Copyright (c) 2010-2015 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:
#
# 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.
import m5
from m5.objects import *
from m5.defines import buildEnv
from m5.util import addToPath
import os, argparse, sys
m5.util.addToPath('../configs/')
from ruby import Ruby
from common import Options
parser = argparse.ArgumentParser()
Options.addCommonOptions(parser)
# add the gpu specific options expected by the the gpu and gpu_RfO
parser.add_argument("-u", "--num-compute-units", type=int, default=8,
help="number of compute units in the GPU")
parser.add_argument("--num-cp", type=int, default=0,
help="Number of GPU Command Processors (CP)")
parser.add_argument("--simds-per-cu", type=int, default=4, help="SIMD units" \
"per CU")
parser.add_argument("--wf-size", type=int, default=64,
help="Wavefront size(in workitems)")
parser.add_argument("--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)
args = parser.parse_args()
#
# Set the default cache size and associativity to be very small to encourage
# races between requests and writebacks.
#
args.l1d_size="256B"
args.l1i_size="256B"
args.l2_size="512B"
args.l3_size="1kB"
args.l1d_assoc=2
args.l1i_assoc=2
args.l2_assoc=2
args.l3_assoc=2
args.num_compute_units=8
args.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 = args.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 = args.sys_voltage)
system.clk_domain = SrcClockDomain(clock = '1GHz',
voltage_domain = system.voltage_domain)
system.mem_ranges = AddrRange('256MB')
# the ruby tester reuses num_cpus to specify the
# number of cpu ports connected to the tester object, which
# is stored in system.cpu. because there is only ever one
# tester object, num_cpus is not necessarily equal to the
# size of system.cpu
cpu_list = [ system.cpu ] * args.num_cpus
Ruby.create_system(args, False, system, cpus=cpu_list)
# 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.in_ports
elif ruby_port.support_data_reqs:
tester.cpuDataPort = ruby_port.in_ports
elif ruby_port.support_inst_reqs:
tester.cpuInstPort = ruby_port.in_ports
# 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'