Blacksmith.sh

#CI #GitHub Actions

https://blacksmith.sh/

GitHub Actionsのマネージドランナーサービス。

価格はGitHub-hosted runnersの半額

https://docs.blacksmith.sh/runners/pricing

table:Pricing

vCPU Count Blacksmith GitHub

2 $0.004 $0.008

4 $0.008 $0.016

8 $0.016 $0.032

16 $0.032 $0.064

32 $0.064 $0.128

2024年4月現在はx86_64のみ

ARMはComing Soon

運営元はY Combinator W24にも採択されている

https://www.ycombinator.com/companies/blacksmith

並列数制限

https://docs.blacksmith.sh/runners/config#concurrency-limits

Blacksmith does not impose any concurrency limits. This means that our customers do not have to worry about queuing of their jobs regardless of the number of concurrent jobs running for their organization. Our mission is to offer a truly serverless experience for your CI.

制限なしのよう

2024年4月初頭に見た時は、今は制限ないけど制限できる権利は留保していると、という説明だったはずだが変わったっぽい

https://twitter.com/AkkumaRyuujin/status/1780658425044537698

It currently has unlimited, but might be limited down to 128 vCpus

パフォーマンス

https://docs.blacksmith.sh/runners/pricing#job-execution-time-and-cost-comparison

A GitHub hosted runner with 2 vCPUs completes the job in 25 minutes.

A Blacksmith runner with 2 vCPUs finishes the same job in 17 minutes.

同じvCPU数でもGitHub-hosted runnersより良さそう

https://runs-on.com/reference/benchmarks-gha-providers/#x64-runners によるとシングルコアパフォーマンスはかなり良い

その他の機能

Dockerのプルスルーキャッシュ