RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-22 18:54:02 +01:00
Code Issues Projects Releases Wiki Activity

[NFC][XRay] Account: migrate to DenseMap + SmallVector, -16% faster on large (3.8G) input

Browse Source 
DenseMap is a single allocation underneath, so this is has pretty expected
performance impact on large-ish (3.8G) xray log processing time.
This commit is contained in:
Roman Lebedev 2020-07-26 14:05:00 +03:00
parent 2f9de5aa72
commit fa31e249cb
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
tools/llvm-xray/xray-account.h
View File

@ -27,12 +27,14 @@ namespace xray {
class LatencyAccountant {
public:
typedef std::map<int32_t, std::vector<uint64_t>> FunctionLatencyMap;
typedef std::map<uint32_t, std::pair<uint64_t, uint64_t>>
typedef llvm::DenseMap<int32_t, llvm::SmallVector<uint64_t, 0>>
FunctionLatencyMap;
typedef llvm::DenseMap<uint32_t, std::pair<uint64_t, uint64_t>>
PerThreadMinMaxTSCMap;
typedef std::map<uint8_t, std::pair<uint64_t, uint64_t>> PerCPUMinMaxTSCMap;
typedef std::vector<std::pair<int32_t, uint64_t>> FunctionStack;
typedef std::map<uint32_t, FunctionStack> PerThreadFunctionStackMap;
typedef llvm::DenseMap<uint8_t, std::pair<uint64_t, uint64_t>>
PerCPUMinMaxTSCMap;
typedef llvm::SmallVector<std::pair<int32_t, uint64_t>, 32> FunctionStack;
typedef llvm::DenseMap<uint32_t, FunctionStack> PerThreadFunctionStackMap;
private:
PerThreadFunctionStackMap PerThreadFunctionStack;