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Hi!
I noticed that in the `Cargo.toml` file Link-Time Optimization (LTO) for the project is not enabled. I suggest switching it on since it will reduce the binary size (always a good thing to have)…
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Hi!
I noticed that in the `Cargo.toml` file Link-Time Optimization (LTO) for the project is not enabled. I suggest switching it on since it will reduce the binary size (always a good thing to have)…
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See http://blog.llvm.org/2016/06/thinlto-scalable-and-incremental-lto.html
This should speed up our build times, but potentially impacts benchmarks.
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Hi!
I noticed that in the `Cargo.toml` file Link-Time Optimization (LTO) for the project is not enabled. I suggest switching it on since it will reduce the binary size (always a good thing to have)…
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# problem
The following script can reproduce the scenario I mentioned. When using `-fthinlto-index` to optimization, if the dependent file cannot be found, only an error will be output, and the retur…
zcfh updated
10 months ago
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Doing an x86 defconfig build with `CONFIG_LTO_CLANG_THIN=y` enabled, I'm seeing only 1 thread being used by LLD during `LD vmlinux.o`. Is that expected/a regression?
cc @samitolvanen @MaskRay
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| | |
|--------------------|----|
| Bugzilla Link | [PR34909](https://bugs.llvm.org/show_bug.cgi?id=34909) |
| Status | NEW |
| Importance | P enhancemen…
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There seems to be a lot of confusion about performance implications of lto, thinlto, codegen-units and default optimizations of build targets, maybe we can clarify this somehow.
Where would be the …
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**Is your feature request related to a problem? Please describe.**
Not a problem - just a performance improvement idea.
**Describe the solution you'd like**
I noticed that in the `Cargo.toml` fil…
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Joey Riches (#joebonrichie), 2022-09-19 15:06:43 UTC
Clang startup is very slow compared to gcc, for example:
`perf stat -r 10 clang -v` : avg. time 0.012593
`perf stat…