Question

我正在尝试使用parapooling在matconvnet中运行mnist示例。我已分配2 gpus，但在尝试运行cnn_mnist_experiments时显示此错误：

   Error using cnn_train>(spmd) (line 157)
Error detected on workers 1 2.

Error in cnn_train (line 157)
    spmd

Error in cnn_mnist (line 55)
[net, info] = trainfn(net, imdb, getBatch(opts), ...

Error in cnn_mnist_experiments (line 3)
[net_bn, info_bn] = cnn_mnist(...

Caused by:
    Error using ParameterServer/startWithMMap (line 170)
    An UndefinedFunction error was thrown on the workers for 'vl_cudatool'.  This may be because the
    file containing 'vl_cudatool' is not accessible on the workers.  Specify the required files for
    this parallel pool using the command: addAttachedFiles(pool, ...).  See the documentation for
    parpool for more details.
        Undefined function 'vl_cudatool' for input arguments of type 'single'.
    Error using ParameterServer/startWithMMap (line 170)
    An UndefinedFunction error was thrown on the workers for 'vl_cudatool'.  This may be because the
    file containing 'vl_cudatool' is not accessible on the workers.  Specify the required files for
    this parallel pool using the command: addAttachedFiles(pool, ...).  See the documentation for
    parpool for more details.
        Undefined function 'vl_cudatool' for input arguments of type 'single'.

显然，工人无法访问＆＃34; vl_cudatool＆＃34;文件。这可能是什么问题？

Answer 1

未定义函数'vl_cudatool'用于'single'类型的输入参数。

这意味着您的vl_cudatool功能不在您的路径中

试

which vl_cudatool

我不知道vl_cudatool是什么。也许你可以尝试一些早期版本的MatConvNet？

Matconvnet在尝试parapool时显示错误

1 个答案: