Pengfei GU

> 我什么都没改，pull下来直接run，41000 iterations大概要26个小时。2块1080 ti，batch_size_per_gpu=4, input_size=(768,768) 老哥，你是怎么train的。为什么我pull 下来然后提交脚本run，一直报RuntimeError: Ninja is required to load C++ extensions的错。

> You have to build Ninja first. > https://ninja-build.org/ Could you please explain a little bit more in detail? Thank you. Because I am using the server of the school...

> As the introduction states, Ninja is a low-level assembler. So you can't simply use pip to "install" it. Instead, you can download the binary file from > https://github.com/ninja-build/ninja/releases >...

> > As the introduction states, Ninja is a low-level assembler. So you can't simply use pip to "install" it. Instead, you can download the binary file from > >...

I tried. But it still does not work. Please see the following screenshots.  

> Yes, before you run the python command. That's what I do if running on a cluster. I unzipped the ninja-linux.zip in the folder containing the codes, and then export...

> So instead of doing > $ export PATH=$PATH:/somepath/Deeplabv3plus_cityscape/ninja > can you do this > $ export PATH=$PATH:/somepath/Deeplabv3plus_cityscape/ 

> This error is caused by not having numba library. > https://stackoverflow.com/questions/14585598/installing-numba-for-python Thank you so much for all your help. Yes, I have installed numba library. But still some errors....

> This is probably because your gcc version is old. Maybe update gcc and try again? Still not working. Thank you so much. By the way, how much of the...

> > This is probably because your gcc version is old. Maybe update gcc and try again? > > Still not working. Thank you so much. By the way, how...