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Extract data-load + dump from hyperopt

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(Reduces memory-usage as the dataframes go out of scope)
This commit is contained in:
Matthias 2021-05-12 21:15:01 +02:00
parent 24a1d5a96f
commit 1055862bc0
1 changed files with 10 additions and 6 deletions
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16
freqtrade/optimize/hyperopt.py
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@ -345,12 +345,7 @@ class Hyperopt:
def _set_random_state(self, random_state: Optional[int]) -> int: def _set_random_state(self, random_state: Optional[int]) -> int:
return random_state or random.randint(1, 2**16 - 1) return random_state or random.randint(1, 2**16 - 1)
def start(self) -> None: def prepare_hyperopt_data(self) -> None:
self.random_state = self._set_random_state(self.config.get('hyperopt_random_state', None))
logger.info(f"Using optimizer random state: {self.random_state}")
self.hyperopt_table_header = -1
# Initialize spaces ...
self.init_spaces()
data, timerange = self.backtesting.load_bt_data() data, timerange = self.backtesting.load_bt_data()
logger.info("Dataload complete. Calculating indicators") logger.info("Dataload complete. Calculating indicators")
preprocessed = self.backtesting.strategy.ohlcvdata_to_dataframe(data) preprocessed = self.backtesting.strategy.ohlcvdata_to_dataframe(data)
@ -367,6 +362,15 @@ class Hyperopt:
dump(preprocessed, self.data_pickle_file) dump(preprocessed, self.data_pickle_file)
def start(self) -> None:
self.random_state = self._set_random_state(self.config.get('hyperopt_random_state', None))
logger.info(f"Using optimizer random state: {self.random_state}")
self.hyperopt_table_header = -1
# Initialize spaces ...
self.init_spaces()
self.prepare_hyperopt_data()
# We don't need exchange instance anymore while running hyperopt # We don't need exchange instance anymore while running hyperopt
self.backtesting.exchange.close() self.backtesting.exchange.close()
self.backtesting.exchange._api = None # type: ignore self.backtesting.exchange._api = None # type: ignore