tensorlayer3/tensorlayer/backend/ops/load_backend.py

75 lines
2.2 KiB
Python

#! /usr/bin/python
# -*- coding: utf-8 -*-
import json
import os
import sys
BACKEND = 'tensorflow'
# BACKEND = 'mindspore'
# BACKEND = 'paddle'
# Check for backend.json files
tl_backend_dir = os.path.expanduser('~')
if not os.access(tl_backend_dir, os.W_OK):
tl_backend_dir = '/tmp'
tl_dir = os.path.join(tl_backend_dir, '.tl')
config = {
'backend': BACKEND,
}
if not os.path.exists(tl_dir):
path = os.path.join(tl_dir, 'tl_backend.json')
os.makedirs(tl_dir)
with open(path, "w") as f:
json.dump(config, f)
BACKEND = config['backend']
sys.stderr.write("Create the backend configuration file :" + path + '\n')
else:
path = os.path.join(tl_dir, 'tl_backend.json')
with open(path, 'r') as load_f:
load_dict = json.load(load_f)
if load_dict['backend'] is not config['backend']:
BACKEND = config['backend']
else:
BACKEND = load_dict['backend']
# Set backend based on TL_BACKEND.
if 'TL_BACKEND' in os.environ:
backend = os.environ['TL_BACKEND']
if backend:
BACKEND = backend
# import backend functions
if BACKEND == 'tensorflow':
from .tensorflow_backend import *
from .tensorflow_nn import *
import tensorflow as tf
BACKEND_VERSION = tf.__version__
sys.stderr.write('Using TensorFlow backend.\n')
elif BACKEND == 'mindspore':
from .mindspore_backend import *
from .mindspore_nn import *
import mindspore as ms
BACKEND_VERSION = ms.__version__
# set context
import mindspore.context as context
import os
os.environ['DEVICE_ID'] = '0'
context.set_context(mode=context.PYNATIVE_MODE, device_target='GPU'),
# context.set_context(mode=context.GRAPH_MODE, device_target='CPU'),
# enable_task_sink=True, enable_loop_sink=True)
# context.set_context(mode=context.GRAPH_MODE, backend_policy='ms',
# device_target='Ascend', enable_task_sink=True, enable_loop_sink=True)
sys.stderr.write('Using MindSpore backend.\n')
elif BACKEND == 'paddle':
from .paddle_backend import *
from .paddle_nn import *
import paddle as pd
BACKEND_VERSION = pd.__version__
sys.stderr.write('Using Paddle backend.\n')
else:
raise NotImplementedError("This backend is not supported")