nudles commented on a change in pull request #624: SINGA-487 Include NCCL and 
MPICH in conda build
URL: https://github.com/apache/singa/pull/624#discussion_r392030507
 
 

 ##########
 File path: tool/conda/singa/conda_build_config.yaml
 ##########
 @@ -27,12 +27,16 @@ CONDA_BUILD_SYSROOT:
 cudnn:                      # [linux]
     - "7.3.1 cuda10.0_0"    # [environ.get("CUDA")=="10.0"]
     - "7.3.1 cuda9.0_0"     # [environ.get("CUDA")=="9.0"]
-mkldnn:
-    - 0.14
 python:
     - 3.6
     - 3.7
+nccl:
+    - 2.4.8.1
+mpich:
+    - 3.3.2
 build_str:
     - "cudnn7.3.1_cuda10.0"   # [environ.get("CUDA")=="10.0"]
     - "cudnn7.3.1_cuda9.0"    # [environ.get("CUDA")=="9.0"]
-    - "cpu"              # [environ.get("CUDA", "")== ""]
\ No newline at end of file
+    - "cpu"              # [environ.get("CUDA", "")== ""]
+    - "cudnn7.3.1_cuda10.0_nccl2.4.8.1_mpich3.3.2"
 
 Review comment:
   It should be
   ` "cudnn7.3.1_cuda10.0_nccl2.4.8.1_mpich3.3.2"  # 
[environ.get("CUDA")=="10.0"]`
   It means if there is GPU on the machine, then build this package.
   

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