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Windows Migration #219

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Windows Migration #219

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peilinrao
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@peilinrao peilinrao commented Nov 3, 2022

Description

I attempt to migrate envpool to the Windows environment.

Motivation and Context

Why is this change required? What problem does it solve?

See details of my progress and Windows Environment setup in WINDOWS.md

If it fixes an open issue, please link to the issue here. close #168
You can use the syntax close #233 if this solves the issue #233

  • I have raised an issue to propose this change (required for new features and bug fixes)

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds core functionality)
  • New environment (non-breaking change which adds 3rd-party environment)
  • Breaking change (fix or feature that would cause existing functionality to change)
  • Documentation (update in the documentation)
  • Example (update in the folder of example)

Implemented Tasks

Details in WINDOWS.md

Checklist

Go over all the following points, and put an x in all the boxes that apply.
If you are unsure about any of these, don't hesitate to ask. We are here to help!

  • I have read the CONTRIBUTION guide (required)
  • My change requires a change to the documentation.
  • I have updated the tests accordingly (required for a bug fix or a new feature).
  • I have updated the documentation accordingly.
  • I have reformatted the code using make format (required)
  • I have checked the code using make lint (required)
  • I have ensured make bazel-test pass. (required)

Comment on lines 109 to 118

// The following does not work under Windows. Need to find alternatives.
// for (std::size_t tid = 0; tid < num_threads_; ++tid) {
// cpu_set_t cpuset;
// CPU_ZERO(&cpuset);
// std::size_t cid = (thread_affinity_offset + tid) % processor_count;
// CPU_SET(cid, &cpuset);
// pthread_setaffinity_np(workers_[tid].native_handle(), sizeof(cpu_set_t),
// &cpuset);
// }
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use #ifdef


maybe(
http_archive,
name = "mujoco",
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Suggested change
name = "mujoco",
name = "mujoco_windows",

Comment on lines 20 to 22
cuda_dir = rctx.os.environ.get(_CUDA_DIR, default = "C:/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v11.7")
""" rctx.symlink("{}/include".format(cuda_dir), "include")
rctx.symlink("{}/lib64".format(cuda_dir), "lib64") """
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use sth like if windows: xxx; elif linux: xxx

.bazelrc Outdated
build --action_env=BAZEL_LINKLIBS=-l%:libstdc++.a:-lm
build --action_env=BAZEL_LINKOPTS=-static-libgcc
build --action_env=CUDA_DIR=/usr/local/cuda
build --incompatible_strict_action_env --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 --client_env=BAZEL_CXXOPTS=-std=c++17
build --incompatible_strict_action_env --cxxopt=/std:c++17 --host_cxxopt=/std:c++17 --client_env=BAZEL_CXXOPTS=/std:c++17
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not sure the best practice here, @mavenlin can you take a look?

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I remember tensorflow use the same mechanism, but they have some fancy config script to detect cuda and generate the bazelrc.

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mavenlin commented Dec 9, 2022

This StackOverflow thread has good examples and links on how to conditionally config bazel for windows. https://stackoverflow.com/questions/48860910/how-to-use-select-to-properly-detect-whether-i-am-building-c-code-in-windows-o

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[Feature Request] Py3.10, Windows and MacOS support
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