def testmain(self):
# Same specification as before
generation_specification = {"seed": [1, 2, 3, 4, 5, 6, 7, 8], "num_calls": [[10, 20, 30]]}
specifications = SpecificationGenerator().generate(generation_specification)
output_generation_specification = {"seed": [1, 2, 3, 4, 5, 6, 7, 8], "num_calls": [10, 20, 30]}
output_specifications = SpecificationGenerator().generate(output_generation_specification)
name = "test"
# This time we will run them all in parallel
runner = ExperimentRunner()
expr = SimpleExperiment()
runner.run(name, specifications, expr, specification_runner=MultiprocessingRunner(),
use_dashboard=True, propagate_exceptions=True,context_type="spawn")
log_base = os.path.join("experiment_runs",name,"logs")
for root, dirs, files in os.walk(log_base):
for file in files:
with open(os.path.join(root,file),"r") as f:
lines = f.readlines()
self.assertNotEqual([],lines)
for result in experiment_iterator(name):
if result["result"] != []:
output_specifications.remove(result["specification"])
self.assertEqual([],output_specifications)
def testmain(self):
# Same specification as before
generation_specification = {
"seed": [1, 2, 3, 4, 5, 6, 7, 8],
"num_calls": [[10, 20, 30]]
}
specifications = SpecificationGenerator().generate(
generation_specification)
output_generation_specification = {
"seed": [1, 2, 3, 4, 5, 6, 7, 8],
"num_calls": [10, 20, 30]
}
output_specifications = SpecificationGenerator().generate(
output_generation_specification)
name = "test"
# This time we will run them all in parallel
runner = ExperimentRunner()
runner.run(name,
specifications,
SimpleExperiment(),
specification_runner=MultiprocessingRunner(),
use_dashboard=False,
propagate_exceptions=True)
for result in experiment_iterator(name):
if result["result"] != []:
output_specifications.remove(result["specification"])
self.assertEqual([], output_specifications)
)
for spec in specifications:
if spec["seed"] == 0:
print(spec)
runner = ExperimentRunner()
map_memory(base_specs["file"], base_specs["state_space_dimensionality"])
DEBUG = False
if DEBUG:
runner.run(name,
specifications,
PlanningExperiment(),
propagate_exceptions=True,
specification_runner=MainRunner(),
use_dashboard=False,
force_pickle=True,
context_type="fork")
else:
gpus = 4
jobs_per_gpu = 2
resources = list(product(list(range(gpus)), list(range(jobs_per_gpu))))
runner.run(name,
specifications,
PlanningExperiment(),
propagate_exceptions=False,
specification_runner=MultiprocessingRunner(),
context_type="fork",
use_dashboard=True,
force_pickle=True)
def run(self, name: typing.AnyStr, specifications: typing.List[Specification], experiment: ExperimentBase,
continue_from_last_run=True, propagate_exceptions=False,
force_pickle=False, specification_runner: SimpleAbstractRunner = MultiprocessingRunner(),
use_dashboard=True, context_type="fork", multiprocessing_lib=None,save_every_k=None) -> typing.NoReturn:
"""
The method called to run an experiment
:param propagate_exceptions: If True, exceptions won't be caught and logged as failed experiments but will cause the program to crash (like normal), useful for debugging exeperiments
:param name: The name of this experiment batch
:param specifications: The list of specifications to run. Should be a list of dictionaries. Each dictionary is passed to the experiment run method
:param experiment: The experiment object to run
:param continue_from_last_run: If true, will not redo already completed experiments. Defaults to true
:param show_progress: Whether or not to show a progress bar for experiment completion
:param force_pickle: If true, don't attempt to json serialze results and default to pickling
:param specification_runner: An instance of ```AbstractRunner``` that will be used to run the specification
:param use_dashboard: If true, use the terminal monitoring dashboard. If false, just stream logs to stdout.
:return: No return
"""
if multiprocessing_lib is None:
import multiprocessing as mp
else:
mp = multiprocessing_lib
ctx = mp.get_context(context_type)
specification_runner.set_multiprocessing_context(ctx)
if specification_runner is None:
specification_runner = JoblibRunner(None)
dashboard_process = None
try:
manager = ctx.Manager()
eventQueue = manager.Queue(maxsize=2000)
put_in_event_queue(eventQueue, StartExperimentEvent(name))
# Set up root smallab logger
folder_loc = os.path.join("experiment_runs", name, "logs", str(datetime.datetime.now()))
file_loc = os.path.join(folder_loc, "main.log")
if not os.path.exists(folder_loc):
os.makedirs(folder_loc)
logger = logging.getLogger("smallab")
logger.setLevel(logging.DEBUG)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
# Can't do this with non-fork multiprocessing
if context_type == "fork":
fh = logging.FileHandler(file_loc)
fh.setFormatter(formatter)
logger.addHandler(fh)
if not use_dashboard:
sh = logging.StreamHandler()
sh.setFormatter(formatter)
logger.addHandler(sh)
else:
# fq = LogToEventQueue(eventQueue)
# sh = logging.StreamHandler(fq)
# sh.setFormatter(formatter)
# Add to root so all logging appears in dashboard not just smallab.
# logging.getLogger().addHandler(sh)
dashboard_process = ctx.Process(target=start_dashboard, args=(eventQueue,))
dashboard_process.start()
experiment.set_logging_folder(folder_loc)
self.force_pickle = force_pickle
if not os.path.exists(get_save_directory(name)):
os.makedirs(get_save_directory(name))
if continue_from_last_run:
need_to_run_specifications = self._find_uncompleted_specifications(name, specifications)
else:
need_to_run_specifications = specifications
for callback in self.callbacks:
callback.set_experiment_name(name)
for specification in need_to_run_specifications:
put_in_event_queue(eventQueue, RegisterEvent(specification_hash(specification), specification))
if isinstance(specification_runner, SimpleAbstractRunner):
specification_runner.run(need_to_run_specifications,
lambda specification: run_and_save(name, experiment, specification,
propagate_exceptions, self.callbacks,
self.force_pickle, eventQueue))
elif isinstance(specification_runner, ComplexAbstractRunner):
specification_runner.run(need_to_run_specifications, name, experiment, propagate_exceptions,
self.callbacks, self.force_pickle, eventQueue)
self._write_to_completed_json(name, specification_runner.get_completed(),
specification_runner.get_failed_specifications())
# Call batch complete functions
if specification_runner.get_exceptions() != []:
for callback in self.callbacks:
callback.on_batch_failure(specification_runner.get_exceptions(),
specification_runner.get_failed_specifications())
if specification_runner.get_completed() != []:
for callback in self.callbacks:
callback.on_batch_complete(specification_runner.get_completed())
finally:
if dashboard_process is not None:
dashboard_process.terminate()
# time.sleep(int(.5 * self.r))
#this experiment can have a random transient failure!
#Since it's checkpointed, it will likely succeed after running it again
if random.randint(0,100) > 90:
raise Exception("Something bad happened, a moth flew into the computer!")
if self.i >= self.num_calls:
#Done with the experiment, return the results dictionary like normal
return {"number": self.r}
else:
#This experiment isn't done, return the progress as a tuple to update the dashboard
return (self.i, self.num_calls)
# Tells the experiment framework how many iterations this will experiment run for
def max_iterations(self, specification):
return specification["num_calls"]
#Same specification as before
generation_specification = {"seed": [1, 2, 3, 4, 5, 6, 7, 8], "num_calls": [100, 200, 300]}
specifications = SpecificationGenerator().generate(generation_specification)
name = "checkpointed_run"
#This time we will run them all in parallel
runner = ExperimentRunner()
runner.run(name, specifications, SimpleExperiment(),specification_runner=MultiprocessingRunner())
#Some of our experiments may have failed, let's call run again to hopefully solve that
runner.run(name, specifications, SimpleExperiment(),specification_runner=MultiprocessingRunner())
#Cleanup example
delete_experiments_folder(name)
print(results["specification"]["seed"])
print(results["result"]["number"])
# If you have an experiment you want run on a lot of computers you can use the MultiComputerGenerator
# You assign each computer a number from 0..number_of_computers-1 and it gives each computer every number_of_computerth specification
from smallab.specification_generator import MultiComputerGenerator
all_specifications = SpecificationGenerator().from_json_file('test.json')
g1 = MultiComputerGenerator(0, 2)
g2 = MultiComputerGenerator(1, 2)
specifications_1 = g1.from_json_file("test.json")
specifications_2 = g2.from_json_file("test.json")
assert len(specifications_1) + len(specifications_2) == len(all_specifications)
# Need to freeze the sets in order to do set manipulation on dictionaries
specifications_1 = set([frozenset(sorted(x.items())) for x in specifications_1])
specifications_2 = set([frozenset(sorted(x.items())) for x in specifications_2])
all_specifications = set([frozenset(sorted(x.items())) for x in all_specifications])
# This will generate two disjoint sets of specifications
assert specifications_1.isdisjoint(specifications_2)
# That together make the whole specification
assert specifications_1.union(specifications_2) == all_specifications
# You can use the provided logging callbacks to log completion and failure of specific specifcations
runner.run('with_logging', SpecificationGenerator().from_json_file("test.json"), SimpleExperiment(),
continue_from_last_run=True, specification_runner=MultiprocessingRunner())
specification["num_calls"] = self.i
result = {"r": self.r}
progress = self.i
max_iterations = self.num_calls
return OverlappingOutputCheckpointedExperimentReturnValue(should_continue, specification, result, progress,
max_iterations)
else:
# This experiment isn't done, return the progress as a tuple to update the dashboard
return (self.i, self.num_calls)
#Tells the dashboard how many iterations this experiment will run for
def max_iterations(self,specification):
return specification["num_calls"]
# Same specification as before
generation_specification = {"seed": [1, 2, 3, 4, 5, 6, 7, 8], "num_calls": (10, 20, 30)}
specifications = SpecificationGenerator().generate(generation_specification)
name = "overlapping_checkpointed_run"
# This time we will run them all in parallel
runner = ExperimentRunner()
runner.run(name, specifications, SimpleExperiment(), specification_runner=MultiprocessingRunner(), use_dashboard=False,
propagate_exceptions=True)
# Some of our experiments may have failed, let's call run again to hopefully solve that
runner.run(name, specifications, SimpleExperiment(), specification_runner=MultiprocessingRunner(), use_dashboard=False,
propagate_exceptions=True)
# Cleanup example
delete_experiments_folder(name)
"seed": list(range(5)),
"alpha_param": 6,
"beta_param":1,
"epsilon": 10,
"delta": 0.1,
"plan_commitment_algorithm": "n_steps",
"plan_threshold": [1],
"sample_observations": False,
"use_expected_improvement":False,
"planning_steps": 200
}
##Create shared memory
map_memory(generation_specifications["file"], generation_specifications["state_space_dimensionality"])
specifications = SpecificationGenerator().generate(generation_specifications)
runner = ExperimentRunner()
DEBUG = False
if DEBUG:
runner.run(name, specifications, PlanningExperiment(), propagate_exceptions=True,
specification_runner=MainRunner(), use_dashboard=False, force_pickle=True, context_type="fork")
else:
runner.run(name, specifications, PlanningExperiment(), propagate_exceptions=False,
specification_runner=MultiprocessingRunner(), context_type="fork", use_dashboard=True,
force_pickle=True)
