src/npb/configs/run_npb.py - public/gem5-resources - Git at Google

 # -*- coding: utf-8 -*-
 # Copyright (c) 2019 The Regents of the University of California.
 # 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.
 #
 # Authors: Jason Lowe-Power, Ayaz Akram

 """ Script to run NAS parallel benchmarks with gem5.
     The script expects kernel, diskimage, mem_sys,
     cpu (kvm, atomic, or timing), benchmark to run
     and number of cpus as arguments.

     If your application has ROI annotations, this script will count the total
     number of instructions executed in the ROI. It also tracks how much
     wallclock and simulated time.
 """
 import argparse
 import time
 import m5
 import m5.ticks
 from m5.objects import *

 from system import *

 def writeBenchScript(dir, bench):
     """
     This method creates a script in dir which will be eventually
     passed to the simulated system (to run a specific benchmark
     at bootup).
     """
     file_name = '{}/run_{}'.format(dir, bench)
     bench_file = open(file_name,"w+")
     bench_file.write('/home/gem5/NPB3.3-OMP/bin/{} \n'.format(bench))

     # sleeping for sometime (5 seconds here) makes sure
     # that the benchmark's output has been
     # printed to the console
     bench_file.write('sleep 5 \n')
     bench_file.write('m5 exit \n')
     bench_file.close()
     return file_name

 supported_protocols = ["classic", "MI_example", "MESI_Two_Level",
                         "MOESI_CMP_directory"]
 supported_cpu_types = ['kvm', 'atomic', 'timing']
 benchmark_choices = ['bt.A.x', 'cg.A.x', 'ep.A.x', 'ft.A.x',
                      'is.A.x', 'lu.A.x', 'mg.A.x', 'sp.A.x',
                      'bt.B.x', 'cg.B.x', 'ep.B.x', 'ft.B.x',
                      'is.B.x', 'lu.B.x', 'mg.B.x', 'sp.B.x',
                      'bt.C.x', 'cg.C.x', 'ep.C.x', 'ft.C.x',
                      'is.C.x', 'lu.C.x', 'mg.C.x', 'sp.C.x',
                      'bt.D.x', 'cg.D.x', 'ep.D.x', 'ft.D.x',
                      'is.D.x', 'lu.D.x', 'mg.D.x', 'sp.D.x',
                      'bt.F.x', 'cg.F.x', 'ep.F.x', 'ft.F.x',
                      'is.F.x', 'lu.F.x', 'mg.F.x', 'sp.F.x']

 def parse_options():

     parser = argparse.ArgumentParser(description='For use with gem5. This '
                 'runs a NAS Parallel Benchmark application. This only works '
                 'with x86 ISA.')

     # The manditry position arguments.
     parser.add_argument("kernel", type=str,
                         help="Path to the kernel binary to boot")
     parser.add_argument("disk", type=str,
                         help="Path to the disk image to boot")
     parser.add_argument("cpu", type=str, choices=supported_cpu_types,
                         help="The type of CPU to use in the system")
     parser.add_argument("mem_sys", type=str, choices=supported_protocols,
                         help="Type of memory system or coherence protocol")
     parser.add_argument("benchmark", type=str, choices=benchmark_choices,
                         help="The NPB application to run")
     parser.add_argument("num_cpus", type=int, help="Number of CPU cores")

     # The optional arguments.
     parser.add_argument("--no_host_parallel", action="store_true",
                         help="Do NOT run gem5 on multiple host threads "
                               "(kvm only)")
     parser.add_argument("--second_disk", type=str,
                         help="The second disk image to mount (/dev/hdb)")
     parser.add_argument("--no_prefetchers", action="store_true",
                         help="Enable prefectchers on the caches")
     parser.add_argument("--l1i_size", type=str, default='32kB',
                         help="L1 instruction cache size. Default: 32kB")
     parser.add_argument("--l1d_size", type=str, default='32kB',
                         help="L1 data cache size. Default: 32kB")
     parser.add_argument("--l2_size", type=str, default = "256kB",
                         help="L2 cache size. Default: 256kB")
     parser.add_argument("--l3_size", type=str, default = "4MB",
                         help="L2 cache size. Default: 4MB")

     return parser.parse_args()

 if __name__ == "__m5_main__":
     args = parse_options()


     # create the system we are going to simulate
     system = MySystem(args.kernel, args.disk, args.num_cpus, args,
                       no_kvm=False)


     if args.mem_sys == "classic":
         system = MySystem(args.kernel, args.disk, args.num_cpus, args,
                           no_kvm=False)
     else:
         system = MyRubySystem(args.kernel, args.disk, args.mem_sys,
                               args.num_cpus, args)

     # Exit from guest on workbegin/workend
     system.exit_on_work_items = True

     # Create and pass a script to the simulated system to run the reuired
     # benchmark
     system.readfile = writeBenchScript(m5.options.outdir, args.benchmark)

     # set up the root SimObject and start the simulation
     root = Root(full_system = True, system = system)

     if system.getHostParallel():
         # Required for running kvm on multiple host cores.
         # Uses gem5's parallel event queue feature
         # Note: The simulator is quite picky about this number!
         root.sim_quantum = int(1e9) # 1 ms

     #needed for long running jobs
     m5.disableAllListeners()

     # instantiate all of the objects we've created above
     m5.instantiate()

     globalStart = time.time()

     print("Running the simulation")
     print("Using cpu: {}".format(args.cpu))
     exit_event = m5.simulate()

     if exit_event.getCause() == "workbegin":
         print("Done booting Linux")
         # Reached the start of ROI
         # start of ROI is marked by an
         # m5_work_begin() call
         print("Resetting stats at the start of ROI!")
         m5.stats.reset()
         start_tick = m5.curTick()
         start_insts = system.totalInsts()
         # switching cpu if argument cpu == atomic or timing
         if args.cpu == 'atomic':
             system.switchCpus(system.cpu, system.atomicCpu)
         if args.cpu == 'timing':
             system.switchCpus(system.cpu, system.timingCpu)
     else:
         print("Unexpected termination of simulation !")
         exit()

     # Simulate the ROI
     exit_event = m5.simulate()

     # Reached the end of ROI
     # Finish executing the benchmark

     print("Dump stats at the end of the ROI!")
     m5.stats.dump()
     end_tick = m5.curTick()
     end_insts = system.totalInsts()
     m5.stats.reset()

     # Switching back to KVM does not work
     # with Ruby mem protocols, so not
     # switching back to simulate the remaining
     # part

     if args.mem_sys == 'classic':
         # switch cpu back to kvm if atomic/timing was used for ROI
         if args.cpu == 'atomic':
             system.switchCpus(system.atomicCpu, system.cpu)
         if args.cpu == 'timing':
             system.switchCpus(system.timingCpu, system.cpu)

         # Simulate the remaning part of the benchmark
         exit_event = m5.simulate()
     else:
         print("Ruby Mem: Not Switching back to KVM!")

     print("Done with the simulation")
     print()
     print("Performance statistics:")

     print("Simulated time in ROI: %.2fs" % ((end_tick-start_tick)/1e12))
     print("Instructions executed in ROI: %d" % ((end_insts-start_insts)))
     print("Ran a total of", m5.curTick()/1e12, "simulated seconds")
     print("Total wallclock time: %.2fs, %.2f min" % \
                 (time.time()-globalStart, (time.time()-globalStart)/60))
	# -- coding: utf-8 --
	# Copyright (c) 2019 The Regents of the University of California.
	# 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.
	#
	# Authors: Jason Lowe-Power, Ayaz Akram

	""" Script to run NAS parallel benchmarks with gem5.
	The script expects kernel, diskimage, mem_sys,
	cpu (kvm, atomic, or timing), benchmark to run
	and number of cpus as arguments.

	If your application has ROI annotations, this script will count the total
	number of instructions executed in the ROI. It also tracks how much
	wallclock and simulated time.
	"""
	import argparse
	import time
	import m5
	import m5.ticks
	from m5.objects import *

	from system import *

	def writeBenchScript(dir, bench):
	"""
	This method creates a script in dir which will be eventually
	passed to the simulated system (to run a specific benchmark
	at bootup).
	"""
	file_name = '{}/run_{}'.format(dir, bench)
	bench_file = open(file_name,"w+")
	bench_file.write('/home/gem5/NPB3.3-OMP/bin/{} \n'.format(bench))

	# sleeping for sometime (5 seconds here) makes sure
	# that the benchmark's output has been
	# printed to the console
	bench_file.write('sleep 5 \n')
	bench_file.write('m5 exit \n')
	bench_file.close()
	return file_name

	supported_protocols = ["classic", "MI_example", "MESI_Two_Level",
	"MOESI_CMP_directory"]
	supported_cpu_types = ['kvm', 'atomic', 'timing']
	benchmark_choices = ['bt.A.x', 'cg.A.x', 'ep.A.x', 'ft.A.x',
	'is.A.x', 'lu.A.x', 'mg.A.x', 'sp.A.x',
	'bt.B.x', 'cg.B.x', 'ep.B.x', 'ft.B.x',
	'is.B.x', 'lu.B.x', 'mg.B.x', 'sp.B.x',
	'bt.C.x', 'cg.C.x', 'ep.C.x', 'ft.C.x',
	'is.C.x', 'lu.C.x', 'mg.C.x', 'sp.C.x',
	'bt.D.x', 'cg.D.x', 'ep.D.x', 'ft.D.x',
	'is.D.x', 'lu.D.x', 'mg.D.x', 'sp.D.x',
	'bt.F.x', 'cg.F.x', 'ep.F.x', 'ft.F.x',
	'is.F.x', 'lu.F.x', 'mg.F.x', 'sp.F.x']

	def parse_options():

	parser = argparse.ArgumentParser(description='For use with gem5. This '
	'runs a NAS Parallel Benchmark application. This only works '
	'with x86 ISA.')

	# The manditry position arguments.
	parser.add_argument("kernel", type=str,
	help="Path to the kernel binary to boot")
	parser.add_argument("disk", type=str,
	help="Path to the disk image to boot")
	parser.add_argument("cpu", type=str, choices=supported_cpu_types,
	help="The type of CPU to use in the system")
	parser.add_argument("mem_sys", type=str, choices=supported_protocols,
	help="Type of memory system or coherence protocol")
	parser.add_argument("benchmark", type=str, choices=benchmark_choices,
	help="The NPB application to run")
	parser.add_argument("num_cpus", type=int, help="Number of CPU cores")

	# The optional arguments.
	parser.add_argument("--no_host_parallel", action="store_true",
	help="Do NOT run gem5 on multiple host threads "
	"(kvm only)")
	parser.add_argument("--second_disk", type=str,
	help="The second disk image to mount (/dev/hdb)")
	parser.add_argument("--no_prefetchers", action="store_true",
	help="Enable prefectchers on the caches")
	parser.add_argument("--l1i_size", type=str, default='32kB',
	help="L1 instruction cache size. Default: 32kB")
	parser.add_argument("--l1d_size", type=str, default='32kB',
	help="L1 data cache size. Default: 32kB")
	parser.add_argument("--l2_size", type=str, default = "256kB",
	help="L2 cache size. Default: 256kB")
	parser.add_argument("--l3_size", type=str, default = "4MB",
	help="L2 cache size. Default: 4MB")

	return parser.parse_args()

	if __name__ == "__m5_main__":
	args = parse_options()


	# create the system we are going to simulate
	system = MySystem(args.kernel, args.disk, args.num_cpus, args,
	no_kvm=False)


	if args.mem_sys == "classic":
	system = MySystem(args.kernel, args.disk, args.num_cpus, args,
	no_kvm=False)
	else:
	system = MyRubySystem(args.kernel, args.disk, args.mem_sys,
	args.num_cpus, args)

	# Exit from guest on workbegin/workend
	system.exit_on_work_items = True

	# Create and pass a script to the simulated system to run the reuired
	# benchmark
	system.readfile = writeBenchScript(m5.options.outdir, args.benchmark)

	# set up the root SimObject and start the simulation
	root = Root(full_system = True, system = system)

	if system.getHostParallel():
	# Required for running kvm on multiple host cores.
	# Uses gem5's parallel event queue feature
	# Note: The simulator is quite picky about this number!
	root.sim_quantum = int(1e9) # 1 ms

	#needed for long running jobs
	m5.disableAllListeners()

	# instantiate all of the objects we've created above
	m5.instantiate()

	globalStart = time.time()

	print("Running the simulation")
	print("Using cpu: {}".format(args.cpu))
	exit_event = m5.simulate()

	if exit_event.getCause() == "workbegin":
	print("Done booting Linux")
	# Reached the start of ROI
	# start of ROI is marked by an
	# m5_work_begin() call
	print("Resetting stats at the start of ROI!")
	m5.stats.reset()
	start_tick = m5.curTick()
	start_insts = system.totalInsts()
	# switching cpu if argument cpu == atomic or timing
	if args.cpu == 'atomic':
	system.switchCpus(system.cpu, system.atomicCpu)
	if args.cpu == 'timing':
	system.switchCpus(system.cpu, system.timingCpu)
	else:
	print("Unexpected termination of simulation !")
	exit()

	# Simulate the ROI
	exit_event = m5.simulate()

	# Reached the end of ROI
	# Finish executing the benchmark

	print("Dump stats at the end of the ROI!")
	m5.stats.dump()
	end_tick = m5.curTick()
	end_insts = system.totalInsts()
	m5.stats.reset()

	# Switching back to KVM does not work
	# with Ruby mem protocols, so not
	# switching back to simulate the remaining
	# part

	if args.mem_sys == 'classic':
	# switch cpu back to kvm if atomic/timing was used for ROI
	if args.cpu == 'atomic':
	system.switchCpus(system.atomicCpu, system.cpu)
	if args.cpu == 'timing':
	system.switchCpus(system.timingCpu, system.cpu)

	# Simulate the remaning part of the benchmark
	exit_event = m5.simulate()
	else:
	print("Ruby Mem: Not Switching back to KVM!")

	print("Done with the simulation")
	print()
	print("Performance statistics:")

	print("Simulated time in ROI: %.2fs" % ((end_tick-start_tick)/1e12))
	print("Instructions executed in ROI: %d" % ((end_insts-start_insts)))
	print("Ran a total of", m5.curTick()/1e12, "simulated seconds")
	print("Total wallclock time: %.2fs, %.2f min" % \
	(time.time()-globalStart, (time.time()-globalStart)/60))