dynet安装

[chaoli1024]

按照dynet教程在Linux和Windows安装不上，您是如何安装的，还是在服务器上运行的

[hankcs]

我是从源码编译安装的，第一步先安装mkl（可选，大幅提升CPU速度）：
http://registrationcenter-download.intel.com/akdlm/irc_nas/tec/11544/l_mkl_2017.3.196.tgz

然后执行如下命令：

#!/usr/bin/env bash

git clone https://github.com/clab/dynet.git
hg clone https://bitbucket.org/eigen/eigen -r 346ecdb  # -r NUM specified a known working revision
cd dynet
git checkout 2.0.1
mkdir build
cd build
cmake .. -DEIGEN3_INCLUDE_DIR=../../eigen -DMKL=TRUE -DPYTHON=`which python3` -DMKL_ROOT=/opt/intel/mkl
make -j 4
cd python
python ../../setup.py build --build-dir=.. --skip-build install

[chaoli1024]

`Traceback (most recent call last):

File "model.py", line 528, in
loss_expr = model.neg_log_loss(instance.sentence, instance.tags)

File "model.py", line 192, in neg_log_loss
forward_score = self.forward(observations)

File "model.py", line 212, in forward
alphas_t.append(log_sum_exp(next_tag_expr))

File "model.py", line 202, in log_sum_exp
return max_score_expr + dy.log(dy.sum_cols(dy.transpose(dy.exp(scores - max_score_expr_broadcast))))

AttributeError: module 'dynet' has no attribute 'sum_cols'`

[hankcs]

Dynet版本号不匹配，必须是2.0.1：https://github.com/clab/dynet/releases/tag/2.0.1

[liyuxi1110]

请问在执行make -j 4这个命令时
报错No targets specified and no makefile found.会是什么原因呢？
我在build目录下没有找到makefile文件，是需要自己写吗？