Linchao Zhu

Compile error with USE_DIST_PS=1

5

Hi, I'm using the latest version of cxxnet with all other components in the latest version. When I disable PS with `USE_DIST_PS=0`, everything works fine. But when I use `USE_DIST_PS=1`,...

Is cutorch.synchronize() necessary?

2

Hi, I found `cutorch.synchronize()` was used in [main.lua#L184](https://github.com/wojzaremba/lstm/blob/master/main.lua#L184). Isn't `backward()` blocking? And in my experiment, `cutorch.synchronize()` will cost much time.

Hi, I noticed that `matio-ffi.torch` only support load mat files. Is there any way to save with mat format?

Hi, I tried to run `goolenet_cudnn` and found that GPU utilization of my 4 K20s would be 0% sometimes. At first, I thought it might be due to slow I/O...

memory usage of gpu0 is doubled when use Multi-GPU training

10

Hi, I am new to torch and I tried to train VGG model using the model file of `models/vgg_cudnn.lua`. I used 4 K20 and found the memory usage of GPU0...