test2.py

import logging
logger = logging.getLogger(__name__)

from chainer import cuda

def main():
    logging.basicConfig(
        format='%(asctime)s : %(threadName)s : %(levelname)s : %(message)s',
        level=logging.INFO)

    xp = cuda.cupy
    cuda.get_device(0).use()
    xp.random.seed(1234)
    a = xp.random.random((10, 10))
    b = a[0, 0] == a
    print b

    logging.info('a')

main()