-1. Built from source, import mxnet in python cause Segfault. back trace:
Thread 1 "python3" received signal SIGSEGV, Segmentation fault. 0x00007fff3e8a9f20 in ?? () (gdb) bt #0 0x00007fff3e8a9f20 in ?? () #1 0x00007fffebbf440c in ReadConfigFile(Configuration&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool const&, unsigned int const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0 #2 0x00007fffebbf3d97 in ReadConfigDir(Configuration&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool const&, unsigned int const&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0 #3 0x00007fffebc5e9aa in pkgInitConfig(Configuration&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0 #4 0x00007ffff29d5c48 in ?? () from /usr/lib/python3/dist-packages/ apt_pkg.cpython-35m-x86_64-linux-gnu.so #5 0x00000000004ea10f in PyCFunction_Call () #6 0x0000000000536d94 in PyEval_EvalFrameEx () #7 0x000000000053fc97 in ?? () #8 0x00000000005409bf in PyEval_EvalCode () #9 0x000000000054a328 in ?? () #10 0x00000000004ea1c6 in PyCFunction_Call () #11 0x000000000053d353 in PyEval_EvalFrameEx () #12 0x000000000053fc97 in ?? () #13 0x000000000053bc93 in PyEval_EvalFrameEx () #14 0x000000000053b294 in PyEval_EvalFrameEx () #15 0x000000000053b294 in PyEval_EvalFrameEx () #16 0x000000000053b294 in PyEval_EvalFrameEx () #17 0x0000000000540b0b in PyEval_EvalCodeEx () #18 0x00000000004ec2e3 in ?? () #19 0x00000000005c20e7 in PyObject_Call () I was using fresh DLAMI ubuntu 18.0 and CUDA 10.0, built with USE_CUDA=1, USE_CUDNN=1, the rest are default values. -Zhi On 2019/06/11 17:36:09, Pedro Larroy <pedro.larroy.li...@gmail.com> wrote: > A bit more background into this: > > While tuning a model using LSTM and convolutions we find that using > hybridize with static_alloc and static_shape is 15% slower in the > latest revision vs in version 1.4.1 in which using hybridize with > static_alloc and static_shape is 10% faster than without. > > Overwall we are still 33% faster when comparing master to 1.5. > > Let me know if you think this is a release blocker or not. > > Pedro. > > On Mon, Jun 10, 2019 at 4:51 PM Pedro Larroy > <pedro.larroy.li...@gmail.com> wrote: > > > > -1 > > > > We found a performance regression vs 1.4 related to CachedOp which > > affects Hybrid forward, which we are looking into. > > > > Pedro. > > > > On Mon, Jun 10, 2019 at 4:33 PM Lin Yuan <apefor...@gmail.com> wrote: > > > > > > -1 (Tentatively until resolved) > > > > > > I tried to build MXNet 1.5.0 from source and pip install horovod but got > > > the following error: > > > > > > Reproduce: > > > 1) cp make/config.mk . > > > 2) turn on USE_CUDA, USE_CUDNN, USE_NCCL > > > 3) make -j > > > > > > MXNet can build successfully. > > > > > > 4) pip install horovod > > > > > > > > > /home/ubuntu/src/incubator-mxnet/python/mxnet/../../include/mkldnn/mkldnn.h:55:28: > > > fatal error: mkldnn_version.h: No such file or directory > > > compilation terminated. > > > INFO: Unable to build MXNet plugin, will skip it. > > > > > > I did not change any setting of MKLDNN in my config.mk. I am building on > > > DLAMI base 18.0 which is Ubuntu 16.04 and CUDA 10.0 > > > > > > Thanks, > > > > > > Lin > > > > > > > > > On Sat, Jun 8, 2019 at 5:39 PM shiwen hu <yajiedes...@gmail.com> wrote: > > > > > > > +1 > > > > > > > > Lai Wei <roywei...@gmail.com> 于2019年6月9日周日 上午4:12写道： > > > > > > > > > Dear MXNet community, > > > > > > > > > > This is the 3-day vote to release Apache MXNet (incubating) version > > > > 1.5.0. > > > > > Voting on dev@ will start June 8, 23:59:59(PST) and close on June 11, > > > > > 23:59:59. > > > > > > > > > > 1) Link to release notes: > > > > > https://cwiki.apache.org/confluence/display/MXNET/1.5.0+Release+Notes > > > > > > > > > > 2) Link to release candidate: > > > > > > > > > > https://github.com/apache/incubator-mxnet/releases/tag/1.5.0.rc0 > > > > > > > > > > 3) Link to source and signatures on apache dist server: > > > > > > > > > > https://dist.apache.org/repos/dist/dev/incubator/mxnet/1.5.0.rc0/ > > > > > > > > > > > > > > > Please remember to TEST first before voting accordingly: > > > > > +1 = approve > > > > > +0 = no opinion > > > > > -1 = disapprove (provide reason) > > > > > > > > > > > > > > > Best Regards > > > > > > > > > > Lai > > > > > > > > > >
