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peridot/build/bazel/remote/execution/v2/platform.md

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2022-07-07 20:11:50 +00:00
# Platform Lexicon
This lexicon defines standard platform property names and values that servers
MAY support in the `Platform` message to facilitate interoperability.
The following standard property `name`s are defined:
* `OSFamily`: This describes the operating system family. Multiple values
are not allowed and an exact match is required.
The following standard values are defined:
- `aix`
- `freebsd`
- `linux`
- `macos`
- `sunos`
- `windows`
Additional values may be defined by the server. For other POSIX systems
the recommendation is to use the output of `uname -s` in lower case.
* `ISA`: This describes the instruction set architecture including
instruction set extensions and versions. Multiple values are allowed. If
multiple values are specified, they are AND-ed together: the worker is
required to support all of the listed values.
The following standard instruction set architecture values are defined:
- `arm-a32` (little endian)
- `arm-a32-be` (big endian)
- `arm-a64` (little endian)
- `arm-a64-be` (big endian)
- `arm-t32` (little endian)
- `arm-t32-be` (big endian)
- `power-isa-be` (big endian)
- `power-isa-le` (little endian)
- `sparc-v9` (big endian)
- `x86-32`
- `x86-64`
The following standard instruction set extension and version values are
defined:
- `arm-neon`
- `arm-sve`
- `arm-vfpv3`
- `arm-vfpv4`
- `armv6`
- `armv7`
- `armv8`
- `x86-avx`
- `x86-avx2`
- `x86-avx-512`
- `x86-sse4.1`
- `x86-sse4.2`
Additional values may be defined by the server. Vendor-neutral names are
recommended.
Clients SHOULD NOT request instruction set extensions or versions without
requesting an instruction set architecture.
Examples with multiple values:
```json
// (Platform proto)
{
"properties": [
{
"name": "ISA",
"value": "x86-64"
},
{
"name": "ISA",
"value": "x86-avx2"
}
]
}
```
```json
// (Platform proto)
{
"properties": [
{
"name": "ISA",
"value": "arm-a64"
},
{
"name": "ISA",
"value": "armv8"
},
{
"name": "ISA",
"value": "arm-sve"
}
]
}
```
```json
// (Platform proto)
{
"properties": [
{
"name": "ISA",
"value": "arm-a32"
},
{
"name": "ISA",
"value": "armv7"
},
{
"name": "ISA",
"value": "arm-vfpv4"
}
]
}
```