newTreeshaking cause build time from 10s to 1.4min

[jayjliang]

Our project has thounds of dependencies and most of them are private, so i can not provide the demo.but i use Mac Xcode Instruments to get profiling data

so is there anyone who can help me to solve this problem

[jayjliang]

https://github.com/jayjliang/data

profiling data link

[LingyuCoder]

The XCode trace shows that there is a lot of idle time on the Rust side, so this issue may be caused by the logic on the JavaScript side.

You can generate the trace files of both Rust and JavaScript by using RSPACK_PROFILE=ALL rspack build(more detail).

[jayjliang]

rspack-profile-1711970057544.zip

[jayjliang]

it seems that js side is also normal

[IWANABETHATGUY]

can you try
0.5.9-canary-c269a3b-20240401072545

[jayjliang]

no problem, but where to get the latest nightly version?

[xc2]

npm info @rspack/core@nightly version

[jayjliang]

the latest nightly version 0.6.1-canary-73a9832-20240414004901 works! Build time reduce to 10s, thanks，guys

by the way, which version of rsbuild will has this great job

[xc2]

Give a try to rsbuild 0.6.2 or rspack 0.6.1

[jayjliang]

rsbuild 0.6.2 works well~ thanks，guys