[PATCH] D113073: [lld-macho] Cache library paths from findLibrary

[Vy Nguyen via Phabricator via llvm-commits]

oontvoo added a comment.

In D113073#3105039 <https://reviews.llvm.org/D113073#3105039>, @keith wrote:

> In D113073#3104904 <https://reviews.llvm.org/D113073#3104904>, @int3 wrote:
>
>> By the way, thanks for contributing all these optimizations! I was quite surprised to hear that ld64 was faster, given that LLD is typically much faster for our own workloads, but I guess you have rather different inputs. Hopefully we can make LLD the fastest Mach-O linker for all builds :)
>
> Thanks for all the reviews! For context our project is a huge iOS application with on the order of thousands of static libraries, and many iOS system framework + system library dependencies. Is this a case you've benchmarked? If so I'd be interested to dig a bit deeper into the differences to try and understand why it has been slower for us.

For one of our largest ios apps that I've measured(different from int3's ):

- ~7100 archives
- 56 frameworks  (including system ones)
- 12 weak frameworks


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