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!10656 [MD] Fix a rank id runtime error 

From: @xiefangqi
Reviewed-by: @liucunwei,@pandoublefeng
Signed-off-by: @liucunwei
This commit is contained in:
mindspore-ci-bot 2020-12-27 19:09:10 +08:00 committed by Gitee
parent 42156a4904 30cbda6aaa
commit 2675d13804
1 changed files with 10 additions and 6 deletions
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16
mindspore/dataset/core/config.py
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@ -41,7 +41,7 @@ def _init_device_info():
"""
from mindspore import context
from mindspore.parallel._auto_parallel_context import auto_parallel_context
from mindspore.parallel._utils import _get_global_rank, _get_device_num
from mindspore.parallel._utils import _get_global_rank
if context.get_context("device_target") == "GPU":
rank_id = _get_global_rank()
parallel_mode = auto_parallel_context().get_parallel_mode()
@ -53,11 +53,15 @@ def _init_device_info():
rank_id = cuda_id
_config.set_rank_id(rank_id)
elif context.get_context("device_target") == "Ascend":
rank_id = _get_global_rank()
device_num = _get_device_num()
# Ascend only support multi-process scenario
if device_num > 1:
_config.set_rank_id(rank_id)
# Ascend is a special scenario, we'd better get rank info from env
env_rank_size = os.getenv("RANK_SIZE", None)
env_rank_id = os.getenv("RANK_ID", None)
if env_rank_size and env_rank_id:
# Ascend only support multi-process scenario
rank_size = int(env_rank_size.strip())
rank_id = int(env_rank_id.strip())
if rank_size > 1:
_config.set_rank_id(rank_id)
def set_seed(seed):