forked from OSchip/llvm-project
94b2ca18c1
Most GSS nodes have short effective lifetimes, keeping them around until the end of the parse is wasteful. Mark and sweep them every 20 tokens. When parsing clangd/AST.cpp, this reduces the GSS memory from 1MB to 20kB. We pay ~5% performance for this according to the glrParse benchmark. (Parsing more tokens between GCs doesn't seem to improve this further). Compared to the refcounting approach in https://reviews.llvm.org/D126337, this is simpler (at least the complexity is better isolated) and has >2x less overhead. It doesn't provide death handlers (for error-handling) but we have an alternative solution in mind. Differential Revision: https://reviews.llvm.org/D126723 |
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| .. | ||
| clang-apply-replacements | ||
| clang-change-namespace | ||
| clang-doc | ||
| clang-include-fixer | ||
| clang-move | ||
| clang-query | ||
| clang-reorder-fields | ||
| clang-tidy | ||
| clangd | ||
| docs | ||
| include-cleaner | ||
| modularize | ||
| pp-trace | ||
| pseudo | ||
| test | ||
| tool-template | ||
| unittests | ||
| .gitignore | ||
| CMakeLists.txt | ||
| CODE_OWNERS.TXT | ||
| LICENSE.TXT | ||
| README.txt | ||
README.txt
//===----------------------------------------------------------------------===// // Clang Tools repository //===----------------------------------------------------------------------===// Welcome to the repository of extra Clang Tools. This repository holds tools that are developed as part of the LLVM compiler infrastructure project and the Clang frontend. These tools are kept in a separate "extra" repository to allow lighter weight checkouts of the core Clang codebase. This repository is only intended to be checked out inside of a full LLVM+Clang tree, and in the 'tools/extra' subdirectory of the Clang checkout. All discussion regarding Clang, Clang-based tools, and code in this repository should be held using the standard Clang forum: https://discourse.llvm.org/c/clang Code review for this tree should take place on the standard Clang patch and commit lists: http://lists.llvm.org/mailman/listinfo/cfe-commits If you find a bug in these tools, please file it in the LLVM bug tracker: http://llvm.org/bugs/