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support to specify CUDA/ROCm root in python pkg building #834

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Merged
amcadmus merged 1 commit into from
Jul 8, 2021
Merged

support to specify CUDA/ROCm root in python pkg building #834

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2 changes: 2 additions & 0 deletions doc/install.md
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,8 @@ One may set the following environment variables before executing `pip`:
| --------------------- | ---------------------- | ------------- | -------------------------- |
| DP_VARIANT | `cpu`, `cuda`, `rocm` | `cpu` | Build CPU variant or GPU variant with CUDA or ROCM support. |
| DP_FLOAT_PREC | `high`, `low` | `high` | Build high (double) or low (float) precision. |
| CUDA_TOOLKIT_ROOT_DIR | Path | Detected automatically | The path to the CUDA toolkit directory. |
| ROCM_ROOT | Path | Detected automatically | The path to the ROCM toolkit directory. |

To test the installation, one should firstly jump out of the source directory
```
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8 changes: 7 additions & 1 deletion setup.py
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Expand Up @@ -41,9 +41,15 @@
pass
elif dp_variant == "cuda":
cmake_args.append("-DUSE_CUDA_TOOLKIT:BOOL=TRUE")
cuda_root = os.environ.get("CUDA_TOOLKIT_ROOT_DIR")
if cuda_root:
cmake_args.append(f"-DCUDA_TOOLKIT_ROOT_DIR:STRING={cuda_root}")
elif dp_variant == "rocm":
cmake_args.append("-DUSE_ROCM_TOOLKIT:BOOL=TRUE")
elif dp_variant != "":
rocm_root = os.environ.get("ROCM_ROOT")
if rocm_root:
cmake_args.append(f"-DROCM_ROOT:STRING={rocm_root}")
else:
raise RuntimeError("Unsupported DP_VARIANT option: %s" % dp_variant)

# FLOAT_PREC
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