27
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
this post was submitted on 14 Aug 2024
27 points (96.6% liked)
Rust
8252 readers
31 users here now
Welcome to the Rust community! This is a place to discuss about the Rust programming language.
Wormhole
Credits
- The icon is a modified version of the official rust logo (changing the colors to a gradient and black background)
founded 3 years ago
MODERATORS
For a clean build: number of cores (because cargo builds each crate dependency in a separate process), for a build of your crate only: single core perf.
Until the parallel compiler feature (
-Z threads=<n>) stabilizes and becomes more complete.It's also always worth mentioning that the choice of linker is important. Using mold or lld can significantly speed things up in some use-cases.
Beyond that,
codegen-unitsandltoprofile options are also important.And finally, for development purposes, the code generator is important, as
craneliftprovides much faster compile times, but resulting binaries are not as optimized as LLVM-generated ones.Oh, i have to try these out to see if it effects my development cycle. I do notice that cargo check is super fast, but cargo build takes a long time. So codegen and linker could be the source of slowness.