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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2018/12/11 18:56:22 UTC
[GitHub] lanking520 commented on a change in pull request #13364:
[MXNET-1225] Always use config.mk in make install instructions
lanking520 commented on a change in pull request #13364: [MXNET-1225] Always use config.mk in make install instructions
URL: https://github.com/apache/incubator-mxnet/pull/13364#discussion_r240746400
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File path: docs/install/build_from_source.md
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@@ -203,68 +204,82 @@ It is recommended to set environment variable NCCL_LAUNCH_MODE to PARALLEL when
### Build MXNet with C++
-* To enable C++ package, just add `USE_CPP_PACKAGE=1` when you run `make` or `cmake`.
+* To enable C++ package, just add `USE_CPP_PACKAGE=1` when you run `make` or `cmake` (see examples).
<hr>
### Usage Examples
-* `-j` runs multiple jobs against multi-core CPUs.
-
For example, you can specify using all cores on Linux as follows:
```bash
-cmake -j$(nproc)
+mkdir build && cd build
+cmake -GNinja .
+ninja -v
```
#### Recommended for Systems with NVIDIA GPUs and Intel CPUs
* Build MXNet with `cmake` and install with MKL DNN, GPU, and OpenCV support:
```bash
-cmake -j USE_CUDA=1 USE_CUDA_PATH=/usr/local/cuda USE_CUDNN=1 USE_MKLDNN=1
+mkdir build && cd build
+cmake -DUSE_CUDA=1 -DUSE_CUDA_PATH=/usr/local/cuda -DUSE_CUDNN=1 -DUSE_MKLDNN=1 -GNinja .
+ninja -v
```
#### Recommended for Systems with NVIDIA GPUs
* Build with both OpenBLAS, GPU, and OpenCV support:
```bash
-cmake -j BLAS=open USE_CUDA=1 USE_CUDA_PATH=/usr/local/cuda USE_CUDNN=1
+mkdir build && cd build
+cmake -DBLAS=open -DUSE_CUDA=1 -DUSE_CUDA_PATH=/usr/local/cuda -DUSE_CUDNN=1 -GNinja .
Review comment:
What does `ninja` do?
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