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add default protocol_version (#677)

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* add default protocol_version

* add comment to serial.Serializable.get_backend
This commit is contained in:
Pengrong Zhu
2021-11-10 14:37:18 +08:00
committed by GitHub
parent cae4c9c924
commit 9639a8cac9
11 changed files with 139 additions and 127 deletions
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5
qlib/config.py
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@@ -73,6 +73,9 @@ class Config:
REG_CN = "cn"
REG_US = "us"
# pickle.dump protocol version: https://docs.python.org/3/library/pickle.html#data-stream-format
PROTOCOL_VERSION = 4
NUM_USABLE_CPU = max(multiprocessing.cpu_count() - 2, 1)
DISK_DATASET_CACHE = "DiskDatasetCache"
@@ -107,6 +110,8 @@ _default_config = {
# for simple dataset cache
"local_cache_path": None,
"kernels": NUM_USABLE_CPU,
# pickle.dump protocol version
"dump_protocol_version": PROTOCOL_VERSION,
# How many tasks belong to one process. Recommend 1 for high-frequency data and None for daily data.
"maxtasksperchild": None,
# If joblib_backend is None, use loky