[Docs] Increase Doxygen cache size

Authored by hintonda on May 21 2019, 5:56 PM.

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[Docs] Increase Doxygen cache size

When building Doxygen docs for llvm and clang, it helpfully prints a warning at
the end noting that the LOOKUP_CACHE_SIZE value was too small to keep all
symbols in memory.

By increasing to the size it recommends, Doxygen builds have greatly improved
performance. On my machine, time to run doxygen-llvm changes from 34 minutes
to 22 minutes, which is a decent amount of time saved by changing a single

Reviewed By: hintonda

Patch by J. Ryan Stinnett!

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D62138

llvm-svn: 361343


sidorovdMay 24 2019, 5:44 AM
Differential Revision
D62138: [Docs] Increase Doxygen cache size

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