[GitHub] piiswrong commented on a change in pull request #7855: Fix missing of CUDA device on non-GPU host

[gi...@git.apache.org]

piiswrong commented on a change in pull request #7855: Fix missing of CUDA device on non-GPU host
URL: https://github.com/apache/incubator-mxnet/pull/7855#discussion_r138212128
 
 

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 File path: scala-package/native/src/main/native/ml_dmlc_mxnet_native_c_api.cc
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 @@ -2301,7 +2301,9 @@ JNIEXPORT jint JNICALL Java_ml_dmlc_mxnet_LibInfo_mxCustomOpRegister
                   ptrsArr, (jsize)0, (jsize)size, reinterpret_cast<jlong*>(ptrs));
 #if MXNET_USE_CUDA
                 mxnet::NDArray* tmp = reinterpret_cast<mxnet::NDArray*>(ptrs[0]);
-                CUDA_CALL(cudaSetDevice(tmp->ctx().dev_id));
+                if (tmp->ctx().dev_type != mxnet::Context::kCPU) {
 
 Review comment:
   == kGPU
 
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