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authorKirill Bobyrev <kbobyrev.opensource@gmail.com>2018-08-30 11:23:58 +0000
committerKirill Bobyrev <kbobyrev.opensource@gmail.com>2018-08-30 11:23:58 +0000
commit38bdac5db854d298013388cd6887f49f56d10ffe (patch)
tree55584dbc77ebc9cab81d526605eba08b7a61a981 /lldb/packages/Python/lldbsuite/test/functionalities/command_script/main.cpp
parent7f2230ff163dc133d55b9e9098f181061b838dc4 (diff)
downloadbcm5719-llvm-38bdac5db854d298013388cd6887f49f56d10ffe.tar.gz
bcm5719-llvm-38bdac5db854d298013388cd6887f49f56d10ffe.zip
[clangd] Implement iterator cost
This patch introduces iterator cost concept to improve the performance of Dex query iterators (mainly, AND iterator). Benchmarks show that the queries become ~10% faster. Before ``` ------------------------------------------------------- Benchmark Time CPU Iteration ------------------------------------------------------- DexAdHocQueries 5883074 ns 5883018 ns 117 DexRealQ 959904457 ns 959898507 ns 1 ``` After ``` ------------------------------------------------------- Benchmark Time CPU Iteration ------------------------------------------------------- DexAdHocQueries 5238403 ns 5238361 ns 130 DexRealQ 873275207 ns 873269453 ns 1 ``` Reviewed by: sammccall Differential Revision: https://reviews.llvm.org/D51310 llvm-svn: 341057
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