More updates this issue seems to specific to linux, reproduced Original posters issue on a linux box mxnet 1.1 ```python >>> import multiprocessing >>> import time >>> >>> def mxnet_worker(): ... b_time = time.time() ... import mxnet ... print 'time consumes: {}'.format(time.time()-b_time) ... >>> read_process = [multiprocessing.Process(target=mxnet_worker) for i in >>> range(8)] >>> for p in read_process: ... p.daemon = True ... p.start() ... >>> time consumes: 0.513573884964 time consumes: 0.518635988235 time consumes: 0.553323984146 time consumes: 0.549813985825 time consumes: 0.558361053467 time consumes: 0.556171894073 time consumes: 0.566649913788 time consumes: 0.569785118103 ```
mxnet 1.3 ```python python Python 2.7.12 (default, Dec 4 2017, 14:50:18) [GCC 5.4.0 20160609] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import multiprocessing >>> import time >>> >>> def mxnet_worker(): ... b_time = time.time() ... import mxnet ... print 'time consumes: {}'.format(time.time()-b_time) ... >>> read_process = [multiprocessing.Process(target=mxnet_worker) for i in >>> range(8)] >>> for p in read_process: ... p.daemon = True ... p.start() ... >>> time consumes: 8.75463604927 time consumes: 17.4193239212 time consumes: 17.656072855 time consumes: 18.1875190735 time consumes: 18.4937279224 time consumes: 18.5608999729 time consumes: 18.5980598927 time consumes: 18.6172778606 ``` [ Full content available at: https://github.com/apache/incubator-mxnet/issues/12255 ] This message was relayed via gitbox.apache.org for devnull@infra.apache.org