[GitHub] solin319 commented on issue #10366: fix bug in sgd

2018-04-23 Thread GitBox
solin319 commented on issue #10366: fix bug in sgd
URL: https://github.com/apache/incubator-mxnet/pull/10366#issuecomment-383771962
 
 
   Batch-size=128
   Use device kvstore, the performance almost same, both about 110 samples/sec.


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[GitHub] solin319 commented on issue #10366: fix bug in sgd

2018-04-23 Thread GitBox
solin319 commented on issue #10366: fix bug in sgd
URL: https://github.com/apache/incubator-mxnet/pull/10366#issuecomment-383478020
 
 
   @eric-haibin-lin 
   gpus=2*k80
   network=vgg16
   data=imagenet
   kv-store=local
   The performance is  131samples/sec when we remove temp resource.
If not the performance is 117samples/sec


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[GitHub] solin319 commented on issue #10366: fix bug in sgd

2018-04-23 Thread GitBox
solin319 commented on issue #10366: fix bug in sgd
URL: https://github.com/apache/incubator-mxnet/pull/10366#issuecomment-383478020
 
 
   @eric-haibin-lin 
   gpus=2*k80
   network=vgg16
   data=imagenet
   The performance is  131samples/sec when we remove temp resource.
If not the performance is 117samples/sec


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[GitHub] solin319 commented on issue #10366: fix bug in sgd

2018-04-08 Thread GitBox
solin319 commented on issue #10366: fix bug in sgd
URL: https://github.com/apache/incubator-mxnet/pull/10366#issuecomment-379620820
 
 
   The results above was get in multi-GPU training with kv_store='local'.
   The same problem was in kv_store='device' too.
   When we training in multi-machine, the problem doesn't exists.
   @eric-haibin-lin 
   
   It's a good idea to update FResourceRequest interface.


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[GitHub] solin319 commented on issue #10366: fix bug in sgd

2018-04-03 Thread GitBox
solin319 commented on issue #10366: fix bug in sgd
URL: https://github.com/apache/incubator-mxnet/pull/10366#issuecomment-378185953
 
 
   set MXNET_CPU_TEMP_COPY = 100
   When training resnet-50, the sgd_mom_update still can't start directly after 
fist backward computation.
   
![default](https://user-images.githubusercontent.com/13029886/38240939-83a60560-3763-11e8-9871-5ac184e39cb7.PNG)
   


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[GitHub] solin319 commented on issue #10366: fix bug in sgd

2018-04-02 Thread GitBox
solin319 commented on issue #10366: fix bug in sgd
URL: https://github.com/apache/incubator-mxnet/pull/10366#issuecomment-378098403
 
 
   @eric-haibin-lin 
   MXNET_EXEC_NUM_TEMP doesn't work.
   But make MXNET_CPU_TEMP_COPY and MXNET_GPU_TEMP_COPY larger can solve the 
overlap problem.
   It's difficult to find the description for these two env vars, and I think 
it's difficult to use for many users.


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