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Optimized Docker images (#2966)

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## Issue Addressed

Closes #2938

## Proposed Changes

* Build and publish images with a `-modern` suffix which enable CPU optimizations for modern hardware.
* Add docs for the plethora of available images!
* Unify all the Docker workflows in `docker.yml` (including for tagged releases).

## Additional Info

The `Dockerfile` is no longer used by our Docker Hub builds, as we use `cross` and a generic approach for ARM and x86. There's a new CI job `docker-build-from-source` which tests the `Dockerfile` without publishing anything.
This commit is contained in:
Michael Sproul
2022-01-31 22:55:03 +00:00
parent bdd70d7aef
commit 139b44342f
10 changed files with 187 additions and 186 deletions
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book/src/cross-compiling.md
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@@ -19,15 +19,16 @@ project.
The `Makefile` in the project contains four targets for cross-compiling:
- `build-x86_64`: builds an optimized version for x86_64 processors (suitable for most users).
Supports Intel Broadwell (2014) and newer, and AMD Ryzen (2017) and newer.
- `build-x86_64-portable`: builds a version for x86_64 processors which avoids using some modern CPU
instructions that are incompatible with older CPUs. Suitable for pre-Broadwell/Ryzen CPUs.
- `build-aarch64`: builds an optimized version for 64-bit ARM processors
(suitable for Raspberry Pi 4).
instructions that are incompatible with older CPUs.
- `build-aarch64`: builds an optimized version for 64-bit ARM processors (suitable for Raspberry Pi 4).
- `build-aarch64-portable`: builds a version for 64-bit ARM processors which avoids using some
modern CPU instructions. In practice, very few ARM processors lack the instructions necessary to
run the faster non-portable build.
For more information about optimized vs portable builds see
[Portability](./installation-binaries.md#portability).
### Example
```bash