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Miking Docker Images

Docker Environment for compiling and running miking/mcore programs. Each kind of image is placed under its own directory.

This readme contains development and build instructions only. For usage instructions, see the Docker Hub README file in the docs/ directory.

Build Dependencies

The following dependencies are needed to build the docker images:

  • docker (with a running Docker deamon in the background)
  • make
  • sudo

CUDA Runtime Dependencies

See CUDA Runtime Dependencies section in the dockerhub README under docs/. It is still possible to build the miking-cuda image without CUDA installed on the host system.

Table of Contents

Build

The images are configured to be built via makefiles. Build the image with its Dockerfile in the directory <DIR> by running the following in at the top-level of the repository (replacing <arch> by either amd64 or arm64):

make -C <DIR> build/<arch>

Each miking image is based on a baseline image. Before building a miking image, its corresponding baseline image has to be built. If the correct baseline image already exists on Docker Hub, that can be pulled directly instead and you can skip the Baseline Image step below.

Baseline Image

Taking the alpine image as an example, before building the miking-alpine image, the matching baseline-alpine image has to be built first. Build it for amd64/x86_64 by running make on its directory:

make -C baseline-alpine build/amd64

This will create baseline image mikinglang/baseline:<basever>-alpine-amd64 which contains all the necessary dependencies to build the miking compiler, but not the compiler itself. The <arch> part is necessary to specify some compiler options for certain dependencies.

This should then be pushed to Docker Hub. Do that by running the push/<arch> command for that image:

make -C baseline-alpine push/amd64

Miking Image

After the baseline image has been built, the miking-alpine image can now be built by running make on its directory:

make -C miking-alpine build/amd64

This will create the versioned image mikinglang/miking:<miver>-alpine-amd64. This image can then be used directly, or pushed up to Docker Hub. To push it up to Docker Hub, make sure that you have push access to the mikinglang repository and then run the make rule (replace amd64 with the architecture of your platform):

make -C miking-alpine push/amd64

Each image should be built for the following architectures:

  • miking-alpine: amd64, arm64
  • miking-cuda: amd64

Once all architectures have been built and pushed for an image, push the manifests to Docker Hub by the following make rule:

make -C miking-alpine push-manifests

This will make the mikinglang/miking:latest-alpine tag available on Docker Hub. In the case of make -C miking-cuda push-manifests, the mikinglang/miking:latest-cuda tag would be available on Docker Hub. If image marked as the LATEST_ALIAS has its manifest pushed, then the mikinglang/miking:latest tag would also be available on Docker Hub.

Running the Image

To verify that the build image can evaluate and compile MCore programs, the test directory contains a sample.mc program to test with.

Verify Evaluation

Run the following command:

sudo docker run --rm -it -v $(pwd)/test:/mnt:ro mikinglang/miking:<ver> mi eval /mnt/sample.mc

This should produce the following output:

Found msg: "foo"
Found msg: "bar"
Found nothing.

Verify Compilation

NOTE: Compilation is highly specific to the target platform. If planning to run the compiled program outside the docker container, verify that your binary will work for your host environment by running ldd <binary>. Ideally, choosing an image version similar to the host system should produce a compatible binary.

Run the following command to compile and run it:

sudo docker run --rm -it -v $(pwd)/test:/mnt:ro mikinglang/miking:<ver> bash -c "mi compile /mnt/sample.mc --output /tmp/sample && /tmp/sample"

This should produce the same output as for the evaluation case above. To export the compiled binary out from the container, either mount the /mnt folder without the ":ro" part or mount another folder that is writable from the container. Then change the --output flag to point to that directory instead of the /tmp directory.

Contributing

To contribute to this repository, fork it, add your changes to a branch on your fork, submit your changes as a pull request from that branch.

Pull Requests

Each pull request shall contain a record of all the targets that builds have been validated for. Copy paste this checklist to your PR description:

**Validated builds:**

- [ ] miking-alpine (amd64 / x86_64)
- [ ] miking-alpine (arm64 / M1 Mac)
- [ ] miking-cuda (amd64 / x86_64)

**Validated GPU tests:**

- [ ] miking-cuda (amd64 / x86_64)

It should look like this when formatted by GitHub:

Validated builds:

  • miking-alpine (amd64 / x86_64)
  • miking-alpine (arm64 / M1 Mac)
  • miking-cuda (amd64 / x86_64)

Validated GPU tests:

  • miking-cuda (amd64 / x86_64)

Tick each box under "Validated builds" once the build is validated. A build is validated when the miking image successfully builds with all tests passing. If an image is also listed under "Validated GPU tests", the command make -C <DIR> test-gpu/<arch> must also be run which runs additional tests with a GPU. Tick the box if and only if this test has also succeeded.