kbobyrev updated this revision to Diff 162146.
kbobyrev marked 6 inline comments as done.
kbobyrev added a comment.
Address a bunch of comments.
https://reviews.llvm.org/D51154
Files:
clang-tools-extra/clangd/index/FileIndex.cpp
clang-tools-extra/clangd/index/FileIndex.h
clang-tools-extra/clangd/index/Index.h
clang-tools-extra/clangd/index/MemIndex.cpp
clang-tools-extra/clangd/index/MemIndex.h
clang-tools-extra/clangd/index/Merge.cpp
clang-tools-extra/clangd/index/dex/DexIndex.cpp
clang-tools-extra/clangd/index/dex/DexIndex.h
clang-tools-extra/unittests/clangd/CodeCompleteTests.cpp
Index: clang-tools-extra/unittests/clangd/CodeCompleteTests.cpp
===================================================================
--- clang-tools-extra/unittests/clangd/CodeCompleteTests.cpp
+++ clang-tools-extra/unittests/clangd/CodeCompleteTests.cpp
@@ -923,6 +923,10 @@
llvm::function_ref<void(const SymbolOccurrence &)>
Callback) const override {}
+ // This is incorrect, but IndexRequestCollector is not an actual index and it
+ // isn't used in production code.
+ size_t estimateMemoryUsage() const override { return 0; }
+
const std::vector<FuzzyFindRequest> allRequests() const { return Requests; }
private:
Index: clang-tools-extra/clangd/index/dex/DexIndex.h
===================================================================
--- clang-tools-extra/clangd/index/dex/DexIndex.h
+++ clang-tools-extra/clangd/index/dex/DexIndex.h
@@ -57,7 +57,10 @@
llvm::function_ref<void(const SymbolOccurrence &)>
Callback) const override;
+ size_t estimateMemoryUsage() const override;
+
private:
+
mutable std::mutex Mutex;
std::shared_ptr<std::vector<const Symbol *>> Symbols /*GUARDED_BY(Mutex)*/;
Index: clang-tools-extra/clangd/index/dex/DexIndex.cpp
===================================================================
--- clang-tools-extra/clangd/index/dex/DexIndex.cpp
+++ clang-tools-extra/clangd/index/dex/DexIndex.cpp
@@ -67,6 +67,9 @@
InvertedIndex = std::move(TempInvertedIndex);
SymbolQuality = std::move(TempSymbolQuality);
}
+
+ vlog("Built DexIndex with estimated memory usage {0} bytes.",
+ estimateMemoryUsage());
}
std::unique_ptr<SymbolIndex> DexIndex::build(SymbolSlab Slab) {
@@ -171,6 +174,22 @@
log("findOccurrences is not implemented.");
}
+size_t DexIndex::estimateMemoryUsage() const {
+ size_t Bytes = 0;
+ {
+ std::lock_guard<std::mutex> Lock(Mutex);
+
+ Bytes += LookupTable.size() * sizeof(std::pair<SymbolID, const Symbol *>);
+ Bytes += SymbolQuality.size() * sizeof(std::pair<const Symbol *, float>);
+ Bytes += InvertedIndex.size() * sizeof(Token);
+
+ for (const auto &P : InvertedIndex) {
+ Bytes += P.second.size() * sizeof(DocID);
+ }
+ }
+ return Bytes;
+}
+
} // namespace dex
} // namespace clangd
} // namespace clang
Index: clang-tools-extra/clangd/index/Merge.cpp
===================================================================
--- clang-tools-extra/clangd/index/Merge.cpp
+++ clang-tools-extra/clangd/index/Merge.cpp
@@ -84,6 +84,10 @@
log("findOccurrences is not implemented.");
}
+ size_t estimateMemoryUsage() const override {
+ return Dynamic->estimateMemoryUsage() + Static->estimateMemoryUsage();
+ }
+
private:
const SymbolIndex *Dynamic, *Static;
};
Index: clang-tools-extra/clangd/index/MemIndex.h
===================================================================
--- clang-tools-extra/clangd/index/MemIndex.h
+++ clang-tools-extra/clangd/index/MemIndex.h
@@ -39,7 +39,10 @@
llvm::function_ref<void(const SymbolOccurrence &)>
Callback) const override;
+ size_t estimateMemoryUsage() const override;
+
private:
+
std::shared_ptr<std::vector<const Symbol *>> Symbols;
// Index is a set of symbols that are deduplicated by symbol IDs.
// FIXME: build smarter index structure.
Index: clang-tools-extra/clangd/index/MemIndex.cpp
===================================================================
--- clang-tools-extra/clangd/index/MemIndex.cpp
+++ clang-tools-extra/clangd/index/MemIndex.cpp
@@ -26,6 +26,9 @@
Index = std::move(TempIndex);
Symbols = std::move(Syms); // Relase old symbols.
}
+
+ vlog("Built MemIndex with estimated memory usage {0} bytes.",
+ estimateMemoryUsage());
}
std::unique_ptr<SymbolIndex> MemIndex::build(SymbolSlab Slab) {
@@ -98,5 +101,18 @@
&Snap->Pointers);
}
+size_t MemIndex::estimateMemoryUsage() const {
+ size_t Bytes = 0;
+
+ {
+ std::lock_guard<std::mutex> Lock(Mutex);
+
+ Bytes += Index.getMemorySize();
+ return Bytes;
+ }
+
+}
+
+
} // namespace clangd
} // namespace clang
Index: clang-tools-extra/clangd/index/Index.h
===================================================================
--- clang-tools-extra/clangd/index/Index.h
+++ clang-tools-extra/clangd/index/Index.h
@@ -385,6 +385,12 @@
virtual void findOccurrences(
const OccurrencesRequest &Req,
llvm::function_ref<void(const SymbolOccurrence &)> Callback) const = 0;
+
+ /// Returns estimated size of index (in bytes).
+ // FIXME(kbobyrev): Currently, this only returns the size of index itself
+ // excluding the size of actual symbol slab index refers to. It might be
+ // useful to return both.
+ virtual size_t estimateMemoryUsage() const = 0;
};
} // namespace clangd
Index: clang-tools-extra/clangd/index/FileIndex.h
===================================================================
--- clang-tools-extra/clangd/index/FileIndex.h
+++ clang-tools-extra/clangd/index/FileIndex.h
@@ -81,6 +81,9 @@
void findOccurrences(const OccurrencesRequest &Req,
llvm::function_ref<void(const SymbolOccurrence &)>
Callback) const override;
+
+ size_t estimateMemoryUsage() const override;
+
private:
FileSymbols FSymbols;
MemIndex Index;
Index: clang-tools-extra/clangd/index/FileIndex.cpp
===================================================================
--- clang-tools-extra/clangd/index/FileIndex.cpp
+++ clang-tools-extra/clangd/index/FileIndex.cpp
@@ -118,5 +118,14 @@
log("findOccurrences is not implemented.");
}
+size_t FileIndex::estimateMemoryUsage() const {
+ size_t Bytes = Index.estimateMemoryUsage();
+ for (const auto &Scheme : URISchemes) {
+ // std::string contains chars with sizeof(char) == 1.
+ Bytes += Scheme.size();
+ }
+ return Bytes;
+}
+
} // namespace clangd
} // namespace clang
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