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‎build_openroad.sh‎

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also given, then use N threads.
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--yosys-args-overwrite Do not use default flags set by this scrip during
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Yosys comilation.
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Yosys compilation.
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--yosys-args STRING Aditional compilation flags for Yosys compilation.
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currently used on the flow.
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--lsoracle-args-overwrite
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Do not use default flags set by this scrip during
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Do not use default flags set by this script during
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LSOracle compilation.
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--lsoracle-args STRING Aditional compilation flags for LSOracle

‎docs/contrib/DeveloperGuide.md‎

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## Building
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Instructions for building are available [here](getting:started:setup:build).
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Instructions for building are available [here](./Build.md).
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## Logger
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‎docs/toc.yml‎

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- file: user/GettingStarted
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title: Getting Started with OpenROAD Flow
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entries:
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- file: user/Build
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title: Build OpenROAD Flow
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- file: user/BuildWithDocker
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title: Build With Docker
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- file: user/BuildLocally

‎docs/tutorials/FlowTutorial.md‎

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Run [test_gcd.api.tcl](../../src/pdn/test/test_gcd.api.tcl)
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to generate power grid for `gcd` design.
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:::
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> **Warning:**
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> The refernced script is not currently avaiable, it will be addressed in a future pull request
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```
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source test_gcd.api.tcl
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Explore macro placement with halo spacing, refer to the example
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[here](../../src/mpl/test/gcd_mem1_02.tcl).
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:::{warning}
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> **Warning:**
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> The refernced script is not currently avaiable, it will be addressed in a future pull request
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Launch GUI by running the following command(s) in the terminal in OpenROAD tool root directory:
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```
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channel spacing to provide enough space for routing. Refer to the
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following example [here](../../src/mpl/test/gcd_mem3_03.tcl).
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> **Warning:**
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> The refernced script is not currently avaiable, it will be addressed in a future pull request
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To view macro placement with channel spacing in OpenROAD GUI run the following command(s) in the terminal in OpenROAD tool root directory:
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```

‎docs/user/Build.md‎

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# Build OpenROAD Flow
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> **Warning:**
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> On CentOS 7 you need to manually make sure the PATH variable includes at
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> least one of the new version of GCC/Clang. To enable GCC-8 or Clang-7 you
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> need to run:
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>
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> ```shell
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> # to enable gcc-8
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> source /opt/rh/devtoolset-8/enable
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> # or to enable clang-7
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> source /opt/rh/llvm-toolset-7.0/enable
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> ```
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## Build Command and options
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``` shell
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./build_openroad.sh
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```
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Options for `./build_openroad.sh` script
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| Argument | Description |
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|-------------------------------|---------------------------------------------------------------------------------------|
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| `-h` or `--help` | Print help message. |
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| `-o` or `--local` | Build locally instead of building a Docker image. |
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| `-l` or `--latest` | Use the head of branch --or_branch or 'master' by default for tools/OpenROAD. |
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| `--or_branch BRANCH_NAME` | Use the head of branch BRANCH for tools/OpenROAD. |
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| `--or_repo REPO_URL` | Use a fork at REPO-URL (https/ssh) for tools/OpenROAD. |
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| `--no_init` | Skip initializing submodules. |
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| `-t N` or `--threads N` | Use N cpus when compiling software. |
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| `-n` or `--nice` | Nice all jobs. Use all cpus unless `--threads` is also given, then use N threads. |
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| `--yosys-args-overwrite` | Do not use default flags set by this scrip during Yosys compilation. |
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| `--yosys-args STRING` | Aditional compilation flags for Yosys compilation. |
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| `--openroad-args-overwrite` | Do not use default flags set by this script during OpenROAD app compilation. |
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| `--openroad-args STRING` | Aditional compilation flags for OpenROAD app compilation. |
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| `--lsoracle-enable` | Compile LSOracle. Disable by default as it is not currently used on the flow. |
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| `--lsoracle-args-overwrite` | Do not use default flags set by this scrip during LSOracle compilation. |
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| `--lsoracle-args STRING` | Aditional compilation flags for LSOracle compilation. |
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| `--install-path PATH` | Path to install tools. Default is `${INSTALL_PATH}`. |
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| `--clean` | Call git clean interactively before compile. Useful to remove old build files. |
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| `--clean-force` | Call git clean before compile. WARNING: this option will not ask for confirmation. Useful to remove old build files. |
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| `-c` or `--copy-platforms` | Only applicable for docker builds. Copy platforms to inside docker image. |
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| `--docker-args-overwrite` | Only applicable for docker builds. Do not use default flags set by this script for Docker builds. |
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| `--docker-args STRING` | Only applicable for docker builds. Additional compilation flags for Docker build. |
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## Build from sources locally
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Build from sources locally, [instructions here](./BuildLocally.md).
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## Build from sources using Docker
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Build from sources using Docker, [instructions here](./BuildWithDocker.md).

‎docs/user/BuildWithDocker.md‎

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For this method you only need to install
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[Docker](https://docs.docker.com/engine/install) on your machine.
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---
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**WARNING**
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The `build_openroad.sh` will use the host number of CPUs to compile `openroad`.
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available. If you are not sure, you can check with the command below. If
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the output number is different from the number of CPUs from your machine,
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then is recommended that you restrict the number of CPUs used by the scripts
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(see instructions below).
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docker run <IMAGE> nproc
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docker run centos:centos7 nproc
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```
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./build_openroad.sh --threads N
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```
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---
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> **Warning:**
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> The `build_openroad.sh` will use the host number of CPUs to compile `openroad`.
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>
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> Please check your Docker daemon setup to make sure all host CPUs are
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> available. If you are not sure, you can check with the command below. If
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> the output number is different from the number of CPUs from your machine,
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> then is recommended that you restrict the number of CPUs used by the scripts
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> (see instructions below).
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>
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> ``` shell
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> docker run <IMAGE> nproc
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> # <IMAGE> can be any commonly used OS, e.g., 'centos:centos7'
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> docker run centos:centos7 nproc
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> ```
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>
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> You can restrict the number of CPUs with the `-t|--threads N` argument:
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>
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> ``` shell
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> ./build_openroad.sh --threads N
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> ```
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## Clone and Build
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‎docs/user/GettingStarted.md‎

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(getting:started:setup:build)=
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### Building and Installing the Software
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**WARNING**
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source /opt/rh/devtoolset-8/enable
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source /opt/rh/llvm-toolset-7.0/enable
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```
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---
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There are currently two options to set up the OpenROAD Flow:
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- Build from sources using Docker, [instructions here](./BuildWithDocker.md).
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- Build from sources locally, [instructions here](./BuildLocally.md).
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Instructions for building are available [here](./Build.md).
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## Running a Design

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