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CI experiments #159628

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35 changes: 12 additions & 23 deletions rust-bors.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -87,31 +87,20 @@ images = {
"arm64ami" = "latest-gha-runner-ami-arm64",
}
jit_runner = "organization"
# Prices per hour of on-demand compute in us-east-2 (as of Aug 2026)
# See build speed estimates in https://github.com/rust-lang/simpleinfra/issues/1132
allowed_instances = [
# AMD Zen 5 (x86_64) instances, a subset of these is used in production.
# Prices per hour of on-demand compute in us-east-2 (as of Aug 2026)
# See rough assessment of build speed for dist-x86_64-quick in https://github.com/rust-lang/simpleinfra/issues/1132
# m8a.2x 8 vCPU, 32 GB $0.48688/hr
# c8a.4x 16 vCPU, 32 GB $0.86216/hr
# c8a.8x 32 vCPU, 64 GB $1.72432/hr
# c8a.12x 48 vCPU, 96 GB $2.58648/hr
# CodeBuild 36 vCPU $4.78799/hr
"m8a.2xlarge",
"c8a.4xlarge",
"c8a.8xlarge",
"c8a.12xlarge",
# AMD Zen 5 (x86_64)
"m8a.2xlarge", # $0.48688/hr
"c8a.4xlarge", # $0.86216/hr
"c8a.8xlarge", # $1.72432/hr
"c8a.12xlarge", # $2.58648/hr

# Graviton 4 (aarch64) instances, currently just for experimentation
"m8g.2xlarge",
"c8g.4xlarge",
"c8g.8xlarge",
"c8g.12xlarge",

# Graviton 5 (aarch64) instances, currently just for experimentation
"m9g.2xlarge",
"c9g.4xlarge",
"c9g.8xlarge",
"c9g.12xlarge",
# Graviton (aarch64)
"m9g.2xlarge", # $0.39136/hr
"c9g.4xlarge", # $0.69312/hr
"c9g.8xlarge", # $1.38624/hr
"c9g.12xlarge", # $2.07936/hr
]

# Enable unrolling of rollup member PRs after rollup merge
Expand Down
60 changes: 37 additions & 23 deletions src/ci/github-actions/jobs.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -41,24 +41,24 @@ runners:
os: ubuntu-24.04-arm
<<: *base-job

- &job-aarch64-linux-8c
os: ubuntu-24.04-arm64-8core-32gb
- &job-linux-x86-8c-ec2
os: ec2-x86_64ami-m8a.2xlarge-x64-linux-$github.run_id-$github.run_attempt
<<: *base-job

# Codebuild runners are provisioned in
# https://github.com/rust-lang/simpleinfra/blob/b7ddd5e6bec8a93ec30510cdddec02c5666fefe9/terragrunt/accounts/ci-prod/ci-runners/terragrunt.hcl#L2
- &job-linux-36c-codebuild
free_disk: true
codebuild: true
os: codebuild-ubuntu-22-36c-$github.run_id-$github.run_attempt
- &job-linux-x86-16c-ec2
os: ec2-x86_64ami-c8a.4xlarge-x64-linux-$github.run_id-$github.run_attempt
<<: *base-job

- &job-linux-x86-32c-ec2
os: ec2-x86_64ami-c8a.8xlarge-x64-linux-$github.run_id-$github.run_attempt
<<: *base-job

- &job-linux-x86-8c-ec2
os: ec2-x86_64ami-m8a.2xlarge-x64-linux-$github.run_id-$github.run_attempt
- &job-linux-aarch64-8c-ec2
os: ec2-arm64ami-m9g.2xlarge-aarch64-linux-$github.run_id-$github.run_attempt
<<: *base-job

- &job-linux-aarch64-16c-ec2
os: ec2-arm64ami-c9g.4xlarge-aarch64-linux-$github.run_id-$github.run_attempt
<<: *base-job

envs:
Expand Down Expand Up @@ -96,6 +96,11 @@ jobs:
IMAGE: dist-x86_64-linux
CODEGEN_BACKENDS: llvm,cranelift
DOCKER_SCRIPT: dist.sh
dist-aarch64-linux: &job-dist-aarch64-linux
name: dist-aarch64-linux
env:
IMAGE: dist-aarch64-linux
CODEGEN_BACKENDS: llvm,cranelift


# Jobs that run on each push to a pull request (PR).
Expand Down Expand Up @@ -167,6 +172,17 @@ pr:
try:
- <<: [*job-dist-x86_64-linux, *job-linux-x86-32c-ec2]
name: dist-x86_64-linux-quick
env:
IMAGE: dist-x86_64-linux
CODEGEN_BACKENDS: llvm,cranelift
DOCKER_SCRIPT: dist.sh
DIST_TRY_BUILD: 1
- <<: [*job-dist-aarch64-linux, *job-linux-aarch64-16c-ec2]
name: dist-aarch64-linux-quick
env:
IMAGE: dist-aarch64-linux
CODEGEN_BACKENDS: llvm,cranelift
DIST_TRY_BUILD: 1

# Jobs that only run when explicitly invoked in one of the following ways:
# - comment `@bors try jobs=<job-name>`
Expand All @@ -178,19 +194,20 @@ optional:
env:
IMAGE: pr-check-1
<<: *job-linux-4c
- <<: [*job-dist-x86_64-linux, *job-linux-36c-codebuild]
name: dist-x86_64-linux-codebuild
- <<: [*job-dist-x86_64-linux, *job-linux-36c-codebuild]
name: dist-x86_64-linux-quick-codebuild
# Duplicate the try jobs here so that we can run them via jobs=...
- <<: [*job-dist-x86_64-linux, *job-linux-x86-32c-ec2]
name: dist-x86_64-linux-quick
env:
IMAGE: dist-x86_64-linux
CODEGEN_BACKENDS: llvm,cranelift
DOCKER_SCRIPT: dist.sh
DIST_TRY_BUILD: 1
# We repeat the try job here so that it can be explicitly executed using `@bors try jobs`, to test
# full x64 Linux dist try builds on EC2.
- <<: [*job-dist-x86_64-linux, *job-linux-x86-32c-ec2]
name: dist-x86_64-linux-quick
- <<: [*job-dist-aarch64-linux, *job-linux-aarch64-16c-ec2]
name: dist-aarch64-linux-quick
env:
IMAGE: dist-aarch64-linux
CODEGEN_BACKENDS: llvm,cranelift
DIST_TRY_BUILD: 1

# Main CI jobs that have to be green to merge a commit into the default branch.
#
Expand Down Expand Up @@ -218,10 +235,7 @@ auto:
- name: armhf-gnu
<<: *job-linux-4c

- name: dist-aarch64-linux
env:
CODEGEN_BACKENDS: llvm,cranelift
<<: *job-aarch64-linux-8c
- <<: [*job-dist-aarch64-linux, *job-linux-aarch64-16c-ec2]

- name: dist-android
<<: *job-linux-4c
Expand Down Expand Up @@ -298,7 +312,7 @@ auto:
- name: dist-x86_64-illumos
<<: *job-linux-4c

- <<: [*job-dist-x86_64-linux, *job-linux-x86-32c-ec2]
- <<: [*job-dist-x86_64-linux, *job-linux-x86-16c-ec2]

- name: dist-x86_64-linux-alt
env:
Expand Down
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