accelerate config default

accelerate launch  --num_processes=1 \
                   --num_machines=1 \
                   --gpu_ids='1' \
                   --mixed_precision=fp16 \
                   --dynamo_backend=no \
                   ./multidemo.py

import os
from accelerate import Accelerator
from accelerate.utils import ProjectConfiguration

logging_dir = os.path.join('./tmp')

accelerator_project_config = ProjectConfiguration(total_limit=None)

accelerator = Accelerator(
    gradient_accumulation_steps=1,
    mixed_precision='fp16',
    logging_dir=logging_dir,
    device_placement=False,
)

print('-------', accelerator.device)
print('-------', accelerator.state.device)