def test_submit_models(self):
_reset()
nni.retiarii.debug_configs.framework = 'pytorch'
os.makedirs('generated', exist_ok=True)
from nni.runtime import protocol
import nni.runtime.platform.test as tt
protocol._set_out_file(
open('generated/debug_protocol_out_file.py', 'wb'))
protocol._set_in_file(
open('generated/debug_protocol_out_file.py', 'rb'))
models = _load_mnist(2)
advisor = RetiariiAdvisor()
cgo_engine = CGOExecutionEngine(devices=[
GPUDevice("test", 0),
GPUDevice("test", 1),
GPUDevice("test", 2),
GPUDevice("test", 3)
],
batch_waiting_time=0)
set_execution_engine(cgo_engine)
submit_models(*models)
time.sleep(3)
if torch.cuda.is_available() and torch.cuda.device_count() >= 2:
cmd, data = protocol.receive()
params = nni.load(data)
tt.init_params(params)
trial_thread = threading.Thread(
target=CGOExecutionEngine.trial_execute_graph)
trial_thread.start()
last_metric = None
while True:
time.sleep(1)
if tt._last_metric:
metric = tt.get_last_metric()
if metric == last_metric:
continue
if 'value' in metric:
metric['value'] = json.dumps(metric['value'])
advisor.handle_report_metric_data(metric)
last_metric = metric
if not trial_thread.is_alive():
trial_thread.join()
break
trial_thread.join()
advisor.stopping = True
advisor.default_worker.join()
advisor.assessor_worker.join()
cgo_engine.join()
def _prepare_receive(data):
protocol._set_in_file(BytesIO(data))
def _restore_io():
_in_buf.seek(0)
_out_buf.seek(0)
protocol._set_in_file(_in_buf)
protocol._set_out_file(_out_buf)