Baunsgaard commented on PR #1850:
URL: https://github.com/apache/systemds/pull/1850#issuecomment-1625163162

   > As far as i can tell, the perftest for conv2d (that in turn uses the mnist 
lenet implementation) is done now .. however I'm getting an error in the lenet 
implementation
   > 
   > > 
   > 
   > ```
   > An Error Occurred : 
   >         HopsException -- ERROR: ./../../nn/examples/mnist_lenet.dml line 
282, column 4 -- In LeftIndexingOp Hop, error in constructing Lops 
   >         HopsException -- ERROR: ./nn/layers/softmax.dml line 53, column 2 
-- error constructing Lops for UnaryOp Hop -- 
   > IllegalCallerException -- java.nio is not open to unnamed module @6a7c0ffd
   > ```
   > 
   > I've been staring at the source of the lenet implementation in nn/examples 
for some time now, but I can't pinpoint the actual problem..
   > 
   > I'm guessing the sizes of the softmax output and the probs buffer may be 
mismatched? (lines 279-282 in nn/examples/mnist_lenet.dml) But I feel like an 
error like that would produce a different error message
   > 
   > > 
   > 
   > ```
   > probs_batch = softmax::forward(outa4)
   > # Store predictions
   > probs[beg:end,] = probs_batch
   > ```
   > 
   > Any idea perhaps on how to fix this?
   
   Could you run it again, with a '-debug' argument. 
   Also the IO error is typically related to Operating system or JDK issues, 
what are you using?
   Please write 'java --version' in your terminal and answer with your output.
   


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