diff options
Diffstat (limited to 'configs/example/se.py')
| -rw-r--r-- | configs/example/se.py | 205 |
1 files changed, 23 insertions, 182 deletions
diff --git a/configs/example/se.py b/configs/example/se.py index 2e63e27da..e4fe93294 100644 --- a/configs/example/se.py +++ b/configs/example/se.py @@ -34,6 +34,7 @@ import m5 from m5.objects import * import os, optparse, sys m5.AddToPath('../common') +import Simulation parser = optparse.OptionParser() @@ -47,34 +48,7 @@ parser.add_option("-o", "--options", default="", parser.add_option("-i", "--input", default="", help="A file of input to give to the binary.") -# System options -parser.add_option("-d", "--detailed", action="store_true") -parser.add_option("-t", "--timing", action="store_true") -parser.add_option("--caches", action="store_true") - -# Run duration options -parser.add_option("-m", "--maxtick", type="int") -parser.add_option("--maxtime", type="float") - -#Checkpointing options -###Note that performing checkpointing via python script files will override -###checkpoint instructions built into binaries. -parser.add_option("--take_checkpoints", action="store", type="string", - help="<M,N> will take checkpoint at cycle M and every N cycles \ - thereafter") -parser.add_option("--max_checkpoints", action="store", type="int", - help="the maximum number of checkpoints to drop", - default=5) -parser.add_option("--checkpoint_dir", action="store", type="string", - help="Place all checkpoints in this absolute directory") -parser.add_option("-r", "--checkpoint_restore", action="store", type="int", - help="restore from checkpoint <N>") - -#CPU Switching - default switch model generally goes from a checkpoint -#to a timing simple CPU with caches to warm up, then to detailed CPU for -#data measurement -parser.add_option("-s", "--standard_switch", action="store_true", - help="switch from one cpu mode to another") +execfile("Options.py") (options, args) = parser.parse_args() @@ -82,13 +56,6 @@ if args: print "Error: script doesn't take any positional arguments" sys.exit(1) -class MyCache(BaseCache): - assoc = 2 - block_size = 64 - latency = 1 - mshrs = 10 - tgts_per_mshr = 5 - process = LiveProcess() process.executable = options.cmd process.cmd = options.cmd + " " + options.options @@ -117,159 +84,33 @@ if options.detailed: if options.timing: - cpu = TimingSimpleCPU() + CPUClass = TimingSimpleCPU + test_mem_mode = 'timing' elif options.detailed: - cpu = DerivO3CPU() -else: - cpu = AtomicSimpleCPU() - -cpu.workload = process -cpu.cpu_id = 0 - -system = System(cpu = cpu, - physmem = PhysicalMemory(range=AddrRange("512MB")), - membus = Bus()) -system.physmem.port = system.membus.port -system.cpu.connectMemPorts(system.membus) -system.cpu.mem = system.physmem -system.cpu.clock = '2GHz' -if options.caches and not options.standard_switch: - system.cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'), - MyCache(size = '64kB')) - -root = Root(system = system) - -if options.timing or options.detailed: - root.system.mem_mode = 'timing' - -if options.standard_switch: - switch_cpu = TimingSimpleCPU(defer_registration=True, cpu_id=1) - switch_cpu1 = DerivO3CPU(defer_registration=True, cpu_id=2) - switch_cpu.system = system - switch_cpu1.system = system - switch_cpu.clock = cpu.clock - switch_cpu1.clock = cpu.clock - if options.caches: - switch_cpu.addPrivateSplitL1Caches(MyCache(size = '32kB'), - MyCache(size = '64kB')) - - switch_cpu.workload = process - switch_cpu1.workload = process - switch_cpu.mem = system.physmem - switch_cpu1.mem = system.physmem - switch_cpu.connectMemPorts(system.membus) - root.switch_cpu = switch_cpu - root.switch_cpu1 = switch_cpu1 - switch_cpu_list = [(system.cpu, switch_cpu)] - switch_cpu_list1 = [(switch_cpu, switch_cpu1)] - -# instantiate configuration -m5.instantiate(root) - -if options.checkpoint_dir: - cptdir = options.checkpoint_dir + CPUClass = DerivO3CPU + test_mem_mode = 'timing' else: - cptdir = getcwd() - -if options.checkpoint_restore: - from os.path import isdir - from os import listdir, getcwd - import re - - if not isdir(cptdir): - m5.panic("checkpoint dir %s does not exist!" % cptdir) + CPUClass = AtomicSimpleCPU + test_mem_mode = 'atomic' - dirs = listdir(cptdir) - expr = re.compile('cpt.([0-9]*)') - cpts = [] - for dir in dirs: - match = expr.match(dir) - if match: - cpts.append(match.group(1)) +CPUClass.clock = '2GHz' - cpts.sort(lambda a,b: cmp(long(a), long(b))) +np = options.num_cpus - if options.checkpoint_restore > len(cpts): - m5.panic('Checkpoint %d not found' % options.checkpoint_restore) - - print "restoring checkpoint from ","/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]]) - m5.restoreCheckpoint(root, "/".join([cptdir, "cpt.%s" % cpts[options.checkpoint_restore - 1]])) - -if options.standard_switch: - exit_event = m5.simulate(10000) - ## when you change to Timing (or Atomic), you halt the system given - ## as argument. When you are finished with the system changes - ## (including switchCpus), you must resume the system manually. - ## You DON'T need to resume after just switching CPUs if you haven't - ## changed anything on the system level. - m5.changeToTiming(system) - m5.switchCpus(switch_cpu_list) - m5.resume(system) - - exit_event = m5.simulate(500000000000) - m5.switchCpus(switch_cpu_list1) - -if options.maxtick: - maxtick = options.maxtick -elif options.maxtime: - simtime = int(options.maxtime * root.clock.value) - print "simulating for: ", simtime - maxtick = simtime -else: - maxtick = -1 - -num_checkpoints = 0 - -exit_cause = '' - -if options.take_checkpoints: - [when, period] = options.take_checkpoints.split(",", 1) - when = int(when) - period = int(period) - - exit_event = m5.simulate(when) - while exit_event.getCause() == "checkpoint": - exit_event = m5.simulate(when - m5.curTick()) - - if exit_event.getCause() == "simulate() limit reached": - m5.checkpoint(root, cptdir + "cpt.%d") - num_checkpoints += 1 - - sim_ticks = when - exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints - while num_checkpoints < options.max_checkpoints: - if (sim_ticks + period) > maxtick and maxtick != -1: - exit_event = m5.simulate(maxtick - sim_ticks) - exit_cause = exit_event.getCause() - break - else: - exit_event = m5.simulate(period) - sim_ticks += period - while exit_event.getCause() == "checkpoint": - exit_event = m5.simulate(period - m5.curTick()) - if exit_event.getCause() == "simulate() limit reached": - m5.checkpoint(root, cptdir + "cpt.%d") - num_checkpoints += 1 - -else: #no checkpoints being taken via this script - exit_event = m5.simulate(maxtick) - - while exit_event.getCause() == "checkpoint": - m5.checkpoint(root, cptdir + "cpt.%d") - num_checkpoints += 1 - if num_checkpoints == options.max_checkpoints: - exit_cause = "maximum %d checkpoints dropped" % options.max_checkpoints - break - - if maxtick == -1: - exit_event = m5.simulate(maxtick) - else: - exit_event = m5.simulate(maxtick - m5.curTick()) +system = System(cpu = [CPUClass(cpu_id=i) for i in xrange(np)], + physmem = PhysicalMemory(range=AddrRange("512MB")), + membus = Bus(), mem_mode = test_mem_mode) - exit_cause = exit_event.getCause() +system.physmem.port = system.membus.port -if exit_cause == '': - exit_cause = exit_event.getCause() -print 'Exiting @ cycle', m5.curTick(), 'because ', exit_cause +for i in xrange(np): + if options.caches and not options.standard_switch: + system.cpu[i].addPrivateSplitL1Caches(L1Cache(size = '32kB'), + L2Cache(size = '64kB')) + system.cpu[i].connectMemPorts(system.membus) + system.cpu[i].mem = system.physmem + system.cpu[i].workload = process +root = Root(system = system) +Simulation.run(options, root, system) |