Lower libwasmer headless size #3123
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plotters 0.3.2 and pest 2.2.1 were yanked, issued `cargo update` to resolve.
3122: Update Cargo.lock dependencies r=epilys a=epilys plotters 0.3.2 was yanked, issued `cargo update` to resolve. Co-authored-by: Manos Pitsidianakis <[email protected]>
By using lto optimization flags. A qjs.wasm executable using the headless engine now weights 4.6MiB: % du -sh qjs-he*.out 20M qjs-headfull.out 4.6M qjs-headless.out
| [lib] | ||
| crate-type = ["cdylib", "rlib"] |
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I believe this is needed for wasm-bindgen / wasmer-js (wasi)
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This is necessary for the lto though. Do you know what command/build fails for wasm-bindgen/wasmer-js if this is removed?
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We can add the crate-type as a special case.
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Runtime tests - JS have passed by the way.
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This relies in the LLVM LTO flags and using llvm bitcode to let LLVM optimize things. I believe there might be better ways to do it as |
This is literally the same solution, except for using |
Afaik the solution in this PR relies on LLVM bitcode and using LTO while the one for |
Brought libwasmer-headless.a from 22MiB to 7.2MiB (on my machine)
By using lto optimization flags.
A qjs.wasm executable using the headless engine now weights 4.6MiB:
% du -sh qjs-he*.out
20M qjs-headfull.out
4.6M qjs-headless.out