GoKawiilStartup Indexable launches Blaze, a faster incremental build tool for Rust
Indexable released Blaze, a command-line tool that wraps cargo and claims to speed up incremental Rust builds by recompiling only changed functions and patching them into an already-built binary. It runs on macOS Apple silicon and Linux, passing through to standard cargo on Windows, and reports rebuild times ranging from 56ms to 451ms on test projects like ripgrep, nushell, helix and bun.
GoKawiil's interpretation of the reporting above, not reported fact.
Faster incremental builds could meaningfully improve developer productivity in large Rust codebases, where slow compile times are a frequently cited pain point. The claimed speedups, if verified across diverse real-world projects, suggest Blaze's function-level patching approach may offer an alternative to traditional full relinking, though independent benchmarking beyond the vendor's own figures would help confirm the reported gains.
- Blaze compiles only changed functions and patches them into existing binaries instead of relinking from scratch
- Reported speedups range from about 5x to 24x faster than cargo build depending on platform and project
- Currently limited to macOS (Apple silicon) and Linux, with Windows builds still falling back to standard cargo
Source: github.com, 2026-10-27
Published there as: “Incremental rust builds up to 92x faster than cargo/rustc”
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