[PATCH] D111676: [memprof] Replace the block cache with a hashmap.

[Snehasish Kumar via Phabricator via llvm-commits]

snehasish updated this revision to Diff 384814.
snehasish added a comment.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

Address comments.

- Tune the address map size based on internal workload and double checked on clang.
- Guard deallocation insertions to ensure map has been initialized.
- Use a pointer as value in the map instead of MIB.
- Store a 1 byte mutex for each MIB to allow fine-grained locking.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D111676/new/

https://reviews.llvm.org/D111676

Files:
  compiler-rt/lib/memprof/CMakeLists.txt
  compiler-rt/lib/memprof/memprof_allocator.cpp
  compiler-rt/lib/memprof/memprof_flags.inc
  compiler-rt/lib/memprof/memprof_meminfoblock.h
  compiler-rt/lib/memprof/memprof_mibmap.cpp
  compiler-rt/lib/memprof/memprof_mibmap.h
  compiler-rt/test/memprof/TestCases/mem_info_cache_entries.cpp
  compiler-rt/test/memprof/TestCases/print_miss_rate.cpp
  llvm/cmake/modules/HandleLLVMOptions.cmake

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