ColossalAI/examples/vit_b16_imagenet_data_parallel/myhooks.py

16 lines
605 B
Python

from colossalai.trainer.hooks import BaseHook
from colossalai.core import global_context as gpc
from colossalai.context import ParallelMode
from colossalai.logging import get_dist_logger
class TotalBatchsizeHook(BaseHook):
def __init__(self, priority: int = 2) -> None:
super().__init__(priority)
self.logger = get_dist_logger()
def before_train(self, trainer):
total_batch_size = gpc.config.BATCH_SIZE * \
gpc.config.gradient_accumulation * gpc.get_world_size(ParallelMode.DATA)
self.logger.info(f'Total batch size = {total_batch_size}', ranks=[0])