def main():
parser = argparse.ArgumentParser(epilog=__doc__)
parser.add_argument("commands_to_run", metavar="command(s)", nargs='*',
help="Command(s) to run")
parser.add_argument("--cpu", type=str, choices=cpu_types.keys(),
default="atomic",
help="CPU model to use")
parser.add_argument("--cpu-freq", type=str, default="4GHz")
parser.add_argument("--num-cores", type=int, default=1,
help="Number of CPU cores")
parser.add_argument("--mem-type", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_argument("--mem-channels", type=int, default=2,
help = "number of memory channels")
parser.add_argument("--mem-ranks", type=int, default=None,
help = "number of memory ranks per channel")
parser.add_argument("--mem-size", action="store", type=str,
default="2GB",
help="Specify the physical memory size")
args = parser.parse_args()
# Create a single root node for gem5's object hierarchy. There can
# only exist one root node in the simulator at any given
# time. Tell gem5 that we want to use syscall emulation mode
# instead of full system mode.
root = Root(full_system=False)
# Populate the root node with a system. A system corresponds to a
# single node with shared memory.
root.system = create(args)
# Instantiate the C++ object hierarchy. After this point,
# SimObjects can't be instantiated anymore.
m5.instantiate()
# Start the simulator. This gives control to the C++ world and
# starts the simulator. The returned event tells the simulation
# script why the simulator exited.
event = m5.simulate()
# Print the reason for the simulation exit. Some exit codes are
# requests for service (e.g., checkpoints) from the simulation
# script. We'll just ignore them here and exit.
print(event.getCause(), " @ ", m5.curTick())
sys.exit(event.getCode())
def main():
parser = argparse.ArgumentParser(epilog=__doc__)
parser.add_argument("--dtb", type=str, default=None,
help="DTB file to load")
parser.add_argument("--kernel", type=str, default=default_kernel,
help="Linux kernel")
parser.add_argument("--disk-image", type=str,
default=default_disk,
help="Disk to instantiate")
parser.add_argument("--script", type=str, default="",
help = "Linux bootscript")
parser.add_argument("--cpu", type=str, choices=cpu_types.keys(),
default="atomic",
help="CPU model to use")
parser.add_argument("--cpu-freq", type=str, default="4GHz")
parser.add_argument("--num-cores", type=int, default=1,
help="Number of CPU cores")
parser.add_argument("--mem-type", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_argument("--mem-channels", type=int, default=1,
help = "number of memory channels")
parser.add_argument("--mem-ranks", type=int, default=None,
help = "number of memory ranks per channel")
parser.add_argument("--mem-size", action="store", type=str,
default="2GB",
help="Specify the physical memory size")
parser.add_argument("--checkpoint", action="store_true")
parser.add_argument("--restore", type=str, default=None)
args = parser.parse_args()
root = Root(full_system=True)
root.system = create(args)
if args.restore is not None:
m5.instantiate(args.restore)
else:
m5.instantiate()
run(args)
try:
import google.protobuf
except:
print("Please install the Python protobuf module")
exit(-1)
import packet_pb2
else:
print("Failed to import packet proto definitions")
exit(-1)
parser = optparse.OptionParser()
parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_option("--mem-size", action="store", type="string",
default="16MB",
help="Specify the memory size")
parser.add_option("--reuse-trace", action="store_true",
help="Prevent generation of traces and reuse existing")
(options, args) = parser.parse_args()
if args:
print("Error: script doesn't take any positional arguments")
sys.exit(1)
# start by creating the system itself, using a multi-layer 2.0 GHz
# crossbar, delivering 64 bytes / 3 cycles (one header cycle) which
def addNoISAOptions(parser):
parser.add_option("-n", "--num-cpus", type="int", default=1)
parser.add_option("--sys-voltage", action="store", type="string",
default='1.0V',
help = """Top-level voltage for blocks running at system
power supply""")
parser.add_option("--sys-clock", action="store", type="string",
default='1GHz',
help = """Top-level clock for blocks running at system
speed""")
# Memory Options
parser.add_option("--list-mem-types",
action="callback", callback=_listMemTypes,
help="List available memory types")
parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_option("--mem-channels", type="int", default=1,
help = "number of memory channels")
parser.add_option("--mem-ranks", type="int", default=None,
help = "number of memory ranks per channel")
parser.add_option("--mem-size", action="store", type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
parser.add_option("--memchecker", action="store_true")
# Cache Options
parser.add_option("--external-memory-system", type="string",
help="use external ports of this port_type for caches")
parser.add_option("--tlm-memory", type="string",
help="use external port for SystemC TLM cosimulation")
parser.add_option("--caches", action="store_true")
parser.add_option("--l2cache", action="store_true")
parser.add_option("--num-dirs", type="int", default=1)
parser.add_option("--num-l2caches", type="int", default=1)
parser.add_option("--num-l3caches", type="int", default=1)
parser.add_option("--l1d_size", type="string", default="64kB")
parser.add_option("--l1i_size", type="string", default="32kB")
parser.add_option("--l2_size", type="string", default="2MB")
parser.add_option("--l3_size", type="string", default="16MB")
parser.add_option("--l1d_assoc", type="int", default=2)
parser.add_option("--l1i_assoc", type="int", default=2)
parser.add_option("--l2_assoc", type="int", default=8)
parser.add_option("--l3_assoc", type="int", default=16)
parser.add_option("--cacheline_size", type="int", default=64)
# Enable Ruby
parser.add_option("--ruby", action="store_true")
# Run duration options
parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
metavar="TICKS", help="Run to absolute simulated tick "
"specified including ticks from a restored checkpoint")
parser.add_option("--rel-max-tick", type="int", default=None,
metavar="TICKS", help="Simulate for specified number of"
" ticks relative to the simulation start tick (e.g. if "
"restoring a checkpoint)")
parser.add_option("--maxtime", type="float", default=None,
help="Run to the specified absolute simulated time in "
"seconds")
def addNoISAOptions(parser):
parser.add_option("-n", "--num-cpus", type="int", default=1)
parser.add_option("--sys-voltage", action="store", type="string",
default='1.0V',
help = """Top-level voltage for blocks running at system
power supply""")
parser.add_option("--sys-clock", action="store", type="string",
default='1GHz',
help = """Top-level clock for blocks running at system
speed""")
# Memory Options
parser.add_option("--list-mem-types",
action="callback", callback=_listMemTypes,
help="List available memory types")
parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_option("--mem-channels", type="int", default=1,
help = "number of memory channels")
parser.add_option("--mem-ranks", type="int", default=None,
help = "number of memory ranks per channel")
parser.add_option("--mem-size", action="store", type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
parser.add_option("--memchecker", action="store_true")
# Cache Options
parser.add_option("--external-memory-system", type="string",
help="use external ports of this port_type for caches")
parser.add_option("--tlm-memory", type="string",
help="use external port for SystemC TLM cosimulation")
parser.add_option("--caches", action="store_true")
parser.add_option("--l2cache", action="store_true")
parser.add_option("--num-dirs", type="int", default=1)
parser.add_option("--num-l2caches", type="int", default=1)
parser.add_option("--num-l3caches", type="int", default=1)
parser.add_option("--l1d_size", type="string", default="64kB")
parser.add_option("--l1i_size", type="string", default="32kB")
parser.add_option("--l2_size", type="string", default="2MB")
parser.add_option("--l3_size", type="string", default="16MB")
parser.add_option("--l1d_assoc", type="int", default=2)
parser.add_option("--l1i_assoc", type="int", default=2)
parser.add_option("--l2_assoc", type="int", default=8)
parser.add_option("--l3_assoc", type="int", default=16)
parser.add_option("--cacheline_size", type="int", default=64)
# Enable Ruby
parser.add_option("--ruby", action="store_true")
# Run duration options
parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
metavar="TICKS", help="Run to absolute simulated tick "
"specified including ticks from a restored checkpoint")
parser.add_option("--rel-max-tick", type="int", default=None,
metavar="TICKS", help="Simulate for specified number of"
" ticks relative to the simulation start tick (e.g. if "
"restoring a checkpoint)")
parser.add_option("--maxtime", type="float", default=None,
help="Run to the specified absolute simulated time in "
"seconds")
import subprocess
import m5
from m5.objects import *
from m5.util import addToPath
addToPath("../")
from common import MemConfig
from common import HMC
parser = optparse.OptionParser()
# Use a HMC_2500_x32 by default
parser.add_option(
"--mem-type", type="choice", default="HMC_2500_x32", choices=MemConfig.mem_names(), help="type of memory to use"
)
parser.add_option("--ranks", "-r", type="int", default=1, help="Number of ranks to iterate across")
parser.add_option("--rd_perc", type="int", default=100, help="Percentage of read commands")
parser.add_option(
"--mode",
type="choice",
default="DRAM",
choices=["DRAM", "DRAM_ROTATE", "RANDOM"],
help="DRAM: Random traffic; \
DRAM_ROTATE: Traffic rotating across banks and ranks",
)
def addNoISAOptions(parser):
parser.add_option("-n", "--num-cpus", type="int", default=1)
parser.add_option("--sys-voltage",
action="store",
type="string",
default='1.0V',
help="""Top-level voltage for blocks running at system
power supply""")
parser.add_option("--sys-clock",
action="store",
type="string",
default='1GHz',
help="""Top-level clock for blocks running at system
speed""")
# Memory Options
parser.add_option("--list-mem-types",
action="callback",
callback=_listMemTypes,
help="List available memory types")
parser.add_option("--mem-type",
type="choice",
default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help="type of memory to use")
parser.add_option("--mem-channels",
type="int",
default=1,
help="number of memory channels")
parser.add_option("--mem-ranks",
type="int",
default=None,
help="number of memory ranks per channel")
parser.add_option("--mem-size",
action="store",
type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
parser.add_option("--memchecker", action="store_true")
# Cache Options
parser.add_option("--external-memory-system",
type="string",
help="use external ports of this port_type for caches")
parser.add_option("--tlm-memory",
type="string",
help="use external port for SystemC TLM cosimulation")
parser.add_option("--caches", action="store_true")
parser.add_option("--l2cache", action="store_true")
parser.add_option("--num-dirs", type="int", default=1)
parser.add_option("--num-l2caches", type="int", default=1)
parser.add_option("--num-l3caches", type="int", default=1)
parser.add_option("--l1d_size", type="string", default="64kB")
parser.add_option("--l1i_size", type="string", default="32kB")
parser.add_option("--l2_size", type="string", default="2MB")
parser.add_option("--l3_size", type="string", default="16MB")
parser.add_option("--l1d_assoc", type="int", default=2)
parser.add_option("--l1i_assoc", type="int", default=2)
parser.add_option("--l2_assoc", type="int", default=8)
parser.add_option("--l3_assoc", type="int", default=16)
parser.add_option("--cacheline_size", type="int", default=64)
# SPM Options
parser.add_option("--spm_pageshift", type="int", default=9)
parser.add_option("--spm_size", type="string", default="1kB")
parser.add_option("--spm_assoc", type="int", default=2)
parser.add_option("--th", type="int", default=16)
parser.add_option("--timeGap", type="int", default=1000000)
parser.add_option("--accessFre", type="int", default=16)
parser.add_option("--accessTh", type="int", default=328)
parser.add_option("--myPlan", type="int", default=0)
parser.add_option("--eCache", type="int", default=8)
parser.add_option("--eSPM", type="int", default=6)
parser.add_option("--eDRAM", type="int", default=345)
# Enable Ruby
parser.add_option("--ruby", action="store_true")
# Run duration options
parser.add_option("-m",
"--abs-max-tick",
type="int",
default=m5.MaxTick,
metavar="TICKS",
help="Run to absolute simulated tick "
"specified including ticks from a restored checkpoint")
parser.add_option("--rel-max-tick",
type="int",
default=None,
metavar="TICKS",
help="Simulate for specified number of"
" ticks relative to the simulation start tick (e.g. if "
"restoring a checkpoint)")
parser.add_option("--maxtime",
type="float",
default=None,
help="Run to the specified absolute simulated time in "
"seconds")
parser.add_option(
"-P",
"--param",
action="append",
default=[],
help="Set a SimObject parameter relative to the root node. "
"An extended Python multi range slicing syntax can be used "
"for arrays. For example: "
"'system.cpu[0,1,3:8:2].max_insts_all_threads = 42' "
"sets max_insts_all_threads for cpus 0, 1, 3, 5 and 7 "
"Direct parameters of the root object are not accessible, "
"only parameters of its children.")
# this script is helpful to sweep the efficiency of a specific memory
# controller configuration, by varying the number of banks accessed,
# and the sequential stride size (how many bytes per activate), and
# observe what bus utilisation (bandwidth) is achieved
parser = optparse.OptionParser()
dram_generators = {
"DRAM" : lambda x: x.createDram,
"DRAM_ROTATE" : lambda x: x.createDramRot,
}
# Use a single-channel DDR3-1600 x64 (8x8 topology) by default
parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_option("--mem-ranks", "-r", type="int", default=1,
help = "Number of ranks to iterate across")
parser.add_option("--rd_perc", type="int", default=100,
help = "Percentage of read commands")
parser.add_option("--mode", type="choice", default="DRAM",
choices=dram_generators.keys(),
help = "DRAM: Random traffic; \
DRAM_ROTATE: Traffic rotating across banks and ranks")
parser.add_option("--addr_map", type="int", default=1,
help = "0: RoCoRaBaCh; 1: RoRaBaCoCh/RoRaBaChCo")
def main():
parser = argparse.ArgumentParser(epilog=__doc__)
parser.add_argument("--kernel",
type=str,
default=None,
help="Binary to run")
parser.add_argument("--disk-image",
type=str,
default=None,
help="Disk to instantiate")
parser.add_argument("--readfile",
type=str,
default="",
help="File to return with the m5 readfile command")
parser.add_argument("--cpu",
type=str,
choices=cpu_types.keys(),
default="atomic",
help="CPU model to use")
parser.add_argument("--cpu-freq", type=str, default="4GHz")
parser.add_argument("--num-cores",
type=int,
default=1,
help="Number of CPU cores")
parser.add_argument("--mem-type",
default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help="type of memory to use")
parser.add_argument("--mem-channels",
type=int,
default=1,
help="number of memory channels")
parser.add_argument("--mem-ranks",
type=int,
default=None,
help="number of memory ranks per channel")
parser.add_argument("--mem-size",
action="store",
type=str,
default="2GB",
help="Specify the physical memory size")
parser.add_argument("--checkpoint", action="store_true")
parser.add_argument("--restore", type=str, default=None)
parser.add_argument("--dtb-gen",
action="store_true",
help="Doesn't run simulation, it generates a DTB only")
args = parser.parse_args()
root = Root(full_system=True)
root.system = create(args)
if args.restore is not None:
m5.instantiate(args.restore)
else:
m5.instantiate()
if args.dtb_gen:
# No run, autogenerate DTB and exit
root.system.generateDtb(m5.options.outdir, 'system.dtb')
else:
run(args)
def addNoISAOptions(parser):
parser.add_option("-n", "--num-cpus", type="int", default=1)
parser.add_option("--sys-voltage", action="store", type="string",
default='1.0V',
help = """Top-level voltage for blocks running at system
power supply""")
parser.add_option("--sys-clock", action="store", type="string",
default='1GHz',
help = """Top-level clock for blocks running at system
speed""")
# Memory Options
parser.add_option("--list-mem-types",
action="callback", callback=_listMemTypes,
help="List available memory types")
parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_option("--mem-channels", type="int", default=1,
help = "number of memory channels")
parser.add_option("--mem-ranks", type="int", default=None,
help = "number of memory ranks per channel")
parser.add_option("--mem-size", action="store", type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
parser.add_option("--memchecker", action="store_true")
parser.add_option("--membus-width", type="int", default=16, help="System membus Width")
parser.add_option("--membus-frontend_latency", type="int", default=3, help="System membus frontend latency")
parser.add_option("--membus-forward_latency", type="int", default=4, help="System membus forward latency")
parser.add_option("--membus-response_latency", type="int", default=2, help="System membus response latency")
parser.add_option("--membus-snoop_response_latency", type="int", default=4, help="System membus snoop response latency")
# Cache Options
parser.add_option("--external-memory-system", type="string",
help="use external ports of this port_type for caches")
parser.add_option("--tlm-memory", type="string",
help="use external port for SystemC TLM cosimulation")
parser.add_option("--caches", action="store_true")
parser.add_option("--l2cache", action="store_true")
parser.add_option("--num-dirs", type="int", default=1)
parser.add_option("--num-l2caches", type="int", default=1)
parser.add_option("--num-l3caches", type="int", default=1)
parser.add_option("--l1d_size", type="string", default="64kB")
parser.add_option("--l1i_size", type="string", default="32kB")
parser.add_option("--l2_size", type="string", default="2MB")
parser.add_option("--l3_size", type="string", default="16MB")
parser.add_option("--l1d_assoc", type="int", default=2)
parser.add_option("--l1i_assoc", type="int", default=2)
parser.add_option("--l2_assoc", type="int", default=8)
parser.add_option("--l2_cluster_size", type="int", default=256, help="Number of CPUs to cluster for each l2 size")
parser.add_option("--l3_assoc", type="int", default=16)
parser.add_option("--cacheline_size", type="int", default=64)
parser.add_option("--l2bus-width", type="int", default=32, help="L2 Bus Width")
# DerivO3CPU Options
parser.add_option("--fetchToDecodeDelay", type="int", default=1, help="Fetch to decode delay")
parser.add_option("--decodeToRenameDelay", type="int", default=1, help="Decode to rename delay")
parser.add_option("--renameToIEWDelay", type="int", default=2, help="Rename to IEW delay")
parser.add_option("--iewToCommitDelay", type="int", default=1, help="Issue/Execute/Writeback to commit")
parser.add_option("--issueToExecuteDelay", type="int", default=1, help="Issue to execute delay")
parser.add_option("--renameToROBDelay", type="int", default=1, help="Rename to reorder buffer delay")
parser.add_option("--fetchWidth", type="int", default=5, help="Fetch width")
parser.add_option("--decodeWidth", type="int", default=5, help="Decode width")
parser.add_option("--renameWidth", type="int", default=5, help="Rename width")
parser.add_option("--dispatchWidth", type="int", default=5, help="Dispatch width")
parser.add_option("--issueWidth", type="int", default=5, help="issue width")
parser.add_option("--wbWidth", type="int", default=5, help="Writeback width")
parser.add_option("--commitWidth", type="int", default=5, help="Commit width")
parser.add_option("--squashWidth", type="int", default=5, help="Squash width")
parser.add_option("--numPhysIntRegs", type="int", default=256, help="Number of physical integer registers")
parser.add_option("--numPhysFloatRegs", type="int", default=256, help="Number of physical floating registers")
parser.add_option("--numPhysVecRegs", type="int", default=256, help="Number of physical vector registers")
parser.add_option("--numROBEntries", type="int", default=128, help="Number of reorder buffer entries")
# Enable Ruby
parser.add_option("--ruby", action="store_true")
# Run duration options
parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
metavar="TICKS", help="Run to absolute simulated tick "
"specified including ticks from a restored checkpoint")
parser.add_option("--rel-max-tick", type="int", default=None,
metavar="TICKS", help="Simulate for specified number of"
" ticks relative to the simulation start tick (e.g. if "
"restoring a checkpoint)")
parser.add_option("--maxtime", type="float", default=None,
help="Run to the specified absolute simulated time in "
"seconds")
def addNoISAOptions(parser):
parser.add_option("-n", "--num-cpus", type="int", default=1)
parser.add_option("--sys-voltage", action="store", type="string",
default='1.0V',
help = """Top-level voltage for blocks running at system
power supply""")
parser.add_option("--sys-clock", action="store", type="string",
default='1GHz',
help = """Top-level clock for blocks running at system
speed""")
# Memory Options
parser.add_option("--list-mem-types",
action="callback", callback=_listMemTypes,
help="List available memory types")
parser.add_option("--mem-type", type="choice", default="DDR3_1600_8x8",
choices=MemConfig.mem_names(),
help = "type of memory to use")
parser.add_option("--mem-channels", type="int", default=1,
help = "number of memory channels")
parser.add_option("--mem-ranks", type="int", default=None,
help = "number of memory ranks per channel")
parser.add_option("--mem-size", action="store", type="string",
default="512MB",
help="Specify the physical memory size (single memory)")
parser.add_option("--memchecker", action="store_true")
# Cache Options
parser.add_option("--external-memory-system", type="string",
help="use external ports of this port_type for caches")
parser.add_option("--tlm-memory", type="string",
help="use external port for SystemC TLM cosimulation")
parser.add_option("--caches", action="store_true")
parser.add_option("--l2cache", action="store_true")
parser.add_option("--num-dirs", type="int", default=1)
parser.add_option("--num-l2caches", type="int", default=1)
parser.add_option("--num-l3caches", type="int", default=1)
parser.add_option("--l1d_size", type="string", default="64kB")
parser.add_option("--l1i_size", type="string", default="32kB")
parser.add_option("--l2_size", type="string", default="2MB")
parser.add_option("--l3_size", type="string", default="16MB")
parser.add_option("--l1d_assoc", type="int", default=2)
parser.add_option("--l1i_assoc", type="int", default=2)
parser.add_option("--l2_assoc", type="int", default=8)
parser.add_option("--l3_assoc", type="int", default=16)
parser.add_option("--cacheline_size", type="int", default=64)
# Enable Ruby
parser.add_option("--ruby", action="store_true")
# Run duration options
parser.add_option("-m", "--abs-max-tick", type="int", default=m5.MaxTick,
metavar="TICKS", help="Run to absolute simulated tick "
"specified including ticks from a restored checkpoint")
parser.add_option("--rel-max-tick", type="int", default=None,
metavar="TICKS", help="Simulate for specified number of"
" ticks relative to the simulation start tick (e.g. if "
"restoring a checkpoint)")
parser.add_option("--maxtime", type="float", default=None,
help="Run to the specified absolute simulated time in "
"seconds")
parser.add_option("-P", "--param", action="append", default=[],
help="Set a SimObject parameter relative to the root node. "
"An extended Python multi range slicing syntax can be used "
"for arrays. For example: "
"'system.cpu[0,1,3:8:2].max_insts_all_threads = 42' "
"sets max_insts_all_threads for cpus 0, 1, 3, 5 and 7 "
"Direct parameters of the root object are not accessible, "
"only parameters of its children.")