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update README.md install from CUDA 7.5 or higher #254

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5 changes: 5 additions & 0 deletions README.md
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Expand Up @@ -22,6 +22,11 @@ The self-contained Lua and Torch installations are performed via:
./install.sh
```

Torch does not support half-precision floating-point type in cuda 7.5 or higher. If you have CUDA 7.5 or higher, you should use the following command:
```bash
$ TORCH_NVCC_FLAGS="-D__CUDA_NO_HALF_OPERATORS__" ./install.sh
```

By default Torch will install LuaJIT 2.1. If you want other options, you can use the command:
```bash
# If a different version was installed, used ./clean.sh to clean it
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