9a175e1654
Change-Id: Idb3b40167cd9c8dd8fde254e00f7891af04811a8 Co-authored-by: Julia Jiang <julia.jiang@amd.com>
138 línte
4.4 KiB
Markdown
Comhad Infheidhmithe
138 línte
4.4 KiB
Markdown
Comhad Infheidhmithe
## Table of Contents
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<!-- toc -->
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- [Prerequisites](#Prerequisites)
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- [Build HIP on AMD platform](#build-hip-on-amd-platform)
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* [Get HIP source code](#get-hip-source-code)
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* [Set the environment variables](#set-the-environment-variables)
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* [Build HIP](#build-hip)
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* [Default paths and environment variables](#default-paths-and-environment-variables)
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- [Build HIP on NVIDIA platform](#build-hip-on-NVIDIA-platform)
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* [Get HIP source code](#get-hip-source-code)
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* [Set the environment variables](#set-the-environment-variables)
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* [Build HIP](#build-hip)
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- [Run HIP](#run-hip)
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<!-- tocstop -->
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# Prerequisites
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HIP code can be developed either on AMD ROCm platform using HIP-Clang compiler, or a CUDA platform with nvcc installed.
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Before build and run HIP, make sure drivers and pre-build packages are installed properly on the platform.
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## AMD platform
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Install ROCm packages (see ROCm Installation Guide on AMD public documentation site (https://docs.amd.com/)) or install pre-built binary packages using the package manager,
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```
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sudo apt install mesa-common-dev
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sudo apt install clang
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sudo apt install comgr
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sudo apt-get -y install rocm-dkms
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```
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## NVIDIA platform
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Install Nvidia driver and pre-build packages (see HIP Installation Guide at https://docs.amd.com/ for the release)
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## Branch of repository
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Before get HIP source code, set the expected branch of repository at the variable HIP_BRANCH.
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For example, for ROCm5.0 release branch, set
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```
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export HIP_BRANCH=rocm-5.0.x
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```
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ROCm5.1 release branch, set
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```
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export HIP_BRANCH=rocm-5.1.x
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```
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Similiar format for future branches.
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ROCM_PATH is path where ROCM is installed. BY default ROCM_PATH is at /opt/rocm.
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# Build HIP on AMD platform
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## Get HIP source code
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```
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git clone -b $HIP_BRANCH https://github.com/ROCm-Developer-Tools/hipamd.git
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git clone -b $HIP_BRANCH https://github.com/ROCm-Developer-Tools/hip.git
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git clone -b $HIP_BRANCH https://github.com/ROCm-Developer-Tools/ROCclr.git
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git clone -b $HIP_BRANCH https://github.com/RadeonOpenCompute/ROCm-OpenCL-Runtime.git
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```
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## Set the environment variables
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```
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export HIPAMD_DIR="$(readlink -f hipamd)"
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export HIP_DIR="$(readlink -f hip)"
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export ROCclr_DIR="$(readlink -f ROCclr)"
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export OPENCL_DIR="$(readlink -f ROCm-OpenCL-Runtime)"
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```
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ROCclr is defined on AMD platform that HIP use Radeon Open Compute Common Language Runtime (ROCclr), which is a virtual device interface that HIP runtimes interact with different backends.
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See https://github.com/ROCm-Developer-Tools/ROCclr
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HIPAMD repository provides implementation specifically for AMD platform.
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See https://github.com/ROCm-Developer-Tools/hipamd
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## Build HIP
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```
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cd "$HIPAMD_DIR"
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mkdir -p build; cd build
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cmake -DHIP_COMMON_DIR=$HIP_DIR -DAMD_OPENCL_PATH=$OPENCL_DIR -DROCCLR_PATH=$ROCCLR_DIR -DCMAKE_PREFIX_PATH="<ROCM_PATH>/" -DCMAKE_INSTALL_PREFIX=$PWD/install ..
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make -j$(nproc)
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sudo make install
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```
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Note: If you don't specify CMAKE_INSTALL_PREFIX, hip runtime will be installed to "<ROCM_PATH>/hip".
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By default, release version of AMDHIP is built.
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## Default paths and environment variables
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* By default HIP looks for HSA in <ROCM_PATH>/hsa (can be overridden by setting HSA_PATH environment variable).
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* By default HIP is installed into <ROCM_PATH>/hip (can be overridden by setting HIP_PATH environment variable).
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* By default HIP looks for clang in <ROCM_PATH>/llvm/bin (can be overridden by setting HIP_CLANG_PATH environment variable)
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* By default HIP looks for device library in <ROCM_PATH>/lib (can be overridden by setting DEVICE_LIB_PATH environment variable).
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* Optionally, consider adding <ROCM_PATH>/bin to your PATH to make it easier to use the tools.
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* Optionally, set HIPCC_VERBOSE=7 to output the command line for compilation.
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After make install command, make sure HIP_PATH is pointed to $PWD/install/hip.
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# Build HIP on NVIDIA platform
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## Get HIP source code
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```
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git clone -b $HIP_BRANCH https://github.com/ROCm-Developer-Tools/hip.git
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git clone -b $HIP_BRANCH https://github.com/ROCm-Developer-Tools/hipamd.git
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```
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## Set the environment variables
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```
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export HIP_DIR="$(readlink -f hip)"
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export HIPAMD_DIR="$(readlink -f hipamd)"
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```
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## Build HIP
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```
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cd "$HIPAMD_DIR"
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mkdir -p build; cd build
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cmake -DHIP_COMMON_DIR=$HIP_DIR -DHIP_PLATFORM=nvidia -DCMAKE_INSTALL_PREFIX=$PWD/install ..
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make -j$(nproc)
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sudo make install
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```
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# Run HIP
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Compile and run the [square sample](https://github.com/ROCm-Developer-Tools/HIP/tree/rocm-5.0.x/samples/0_Intro/square).
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