forked from OSchip/llvm-project
b217ddb1bb
Stop using `$$$` (empty) trigram and generating a posting list with all items. Since TRUE iterator is already implemented and correctly inserted when there are no real trigram posting lists, this is a valid transformation. Benchmarks show that this simple change allows ~30% speedup on dataset of real completion queries. Before ``` ------------------------------------------------------- Benchmark Time CPU Iterations ------------------------------------------------------- DexAdHocQueries 5640321 ns 5640265 ns 120 DexRealQ 939835603 ns 939830296 ns 1 ``` After ``` ------------------------------------------------------- Benchmark Time CPU Iterations ------------------------------------------------------- DexAdHocQueries 3452014 ns 3451987 ns 203 DexRealQ 667455912 ns 667455750 ns 1 ``` Reviewed by: ilya-biryukov Differential Revision: https://reviews.llvm.org/D51287 llvm-svn: 340729 |
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| .. | ||
| dex | ||
| CanonicalIncludes.cpp | ||
| CanonicalIncludes.h | ||
| FileIndex.cpp | ||
| FileIndex.h | ||
| Index.cpp | ||
| Index.h | ||
| MemIndex.cpp | ||
| MemIndex.h | ||
| Merge.cpp | ||
| Merge.h | ||
| SymbolCollector.cpp | ||
| SymbolCollector.h | ||
| SymbolYAML.cpp | ||
| SymbolYAML.h | ||