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Optimize CI pipeline for 2-3x speed improvement #761

Description

@bmuddha

Implement comprehensive cargo cache reuse and toolchain caching to reduce CI execution time from 90-120 min to 25-35 min (total machine time parallelized).

Changes include:

  • Unified cargo cache keys across workflows
  • Pre-compiled test-runner and test binaries
  • Direct validator binary execution (no cargo run)
  • Rust toolchain caching via dtolnay
  • Solana binary caching
  • Unified Rust version management

Expected improvement: 65% reduction in time

Activity

  1. coderabbitai commented on Dec 19, 2025

    @coderabbitai
    Contributor

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    #605 - feat: parallel CI integration tests [merged]
    #611 - fix: replace cargo-expand with syn-based verification [merged]
    #641 - feat: use per-branch cache keys for Integration Tests CI [merged]
    #695 - chore: use smaller runners [merged]
    #712 - fix: use svm with program cache fix [merged]

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  2. changed the title [-]Optimize CI pipeline for 3-4x speed improvement[/-] [+]Optimize CI pipeline for 2-3x speed improvement[/+] on Dec 19, 2025
  3. thlorenz commented on Jun 22, 2026

    @thlorenz
    Contributor

    I think @GabrielePicco fixed that for us.
    Is this still relevant @bmuddha ?

  4. bmuddha commented on Aug 4, 2026

    @bmuddha
    CollaboratorAuthor

    Current implementation is acceptable

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