Set limit version for cuDNN bug to V6100.

theano/gpuarray/dnn_fwd.c

@@ -171,8 +171,8 @@ APPLY_SPECIFIC(conv_fwd)(PyGpuArrayObject *input, PyGpuArrayObject *kerns,
     algo = CUDNN_CONVOLUTION_FWD_ALGO_IMPLICIT_GEMM;
 
   // Algo `small` does not work for a batch size > 2^16, with cuDNN >= V5.1.
-  // Issue should be resolved for cuDNN > V6.0.20.
-  if (cudnnGetVersion() <= 6020 &&
+  // Issue should be resolved for cuDNN > V6.0.
+  if (cudnnGetVersion() < 6100 &&
       algo == CUDNN_CONVOLUTION_FWD_ALGO_IMPLICIT_PRECOMP_GEMM &&
       PyGpuArray_DIM(input, 0) > 65536)
       algo = CUDNN_CONVOLUTION_FWD_ALGO_IMPLICIT_GEMM;