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get_load_path_str() -> get_load_path_str_cached(): Optimizing Regex Operations with Caching

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This commit is contained in:
Madhav 2024-03-19 22:06:40 +05:30
parent 3fd4e7c4d7
commit 5fc82399bf
1 changed files with 21 additions and 1 deletions
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22
checkpoint.py
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@ -26,6 +26,10 @@ import tempfile
from concurrent.futures import ThreadPoolExecutor, wait
from typing import Any, Optional
# For get_load_path_str
# A simple caching mechanism to avoid recomputing regex matches for paths that have already been processed.
from functools import lru_cache
import jax
import numpy as np
from jax.experimental import multihost_utils
@ -133,6 +137,22 @@ def path_tuple_to_string(path: tuple) -> str:
return "/".join(pieces)
"""
For get_load_path_str(),
introducing a simple caching mechanism to avoid recomputing regex matches for paths that have already been processed.
"""
@lru_cache(maxsize=None)
def get_load_path_str_cached(
init_path_str: str,
load_rename_rules: Optional[list[tuple[str, str]]] = None,
load_exclude_rules: Optional[list[str]] = None,
) -> Optional[str]:
return get_load_path_str(
init_path_str,
load_rename_rules,
load_exclude_rules
)
def get_load_path_str(
init_path_str: str,
load_rename_rules: Optional[list[tuple[str, str]]] = None,
@ -171,7 +191,7 @@ def replace_with_load_state(
data_model_shards = math.prod(mesh_config)
for i, (init_path, tensor) in enumerate(flatten_init):
init_path_str = path_tuple_to_string(init_path)
load_path_str = get_load_path_str(init_path_str, load_rename_rules, load_exclude_rules)
load_path_str = get_load_path_str_cached(init_path_str, load_rename_rules, load_exclude_rules)
if load_path_str is None:
rank_logger.info(f"Excluded from restore: {init_path_str}.")
replaced.append(tensor)