Commit 3020a18c authored by Cornel Rat's avatar Cornel Rat Committed by Facebook Github Bot

Use F14 for the RequestToken cache

Summary: Looks like switching to F14 speeds up RequestToken creation by ~25% in some projects.

Reviewed By: yfeldblum

Differential Revision: D10518982

fbshipit-source-id: bf924a0a86f940f7ed36526ca6eda4fe1421f5f8
parent c227ceae
......@@ -57,10 +57,8 @@ std::string RequestToken::getDebugString() const {
throw std::logic_error("Could not find debug string in RequestToken");
}
Synchronized<std::unordered_map<std::string, uint32_t>>&
RequestToken::getCache() {
static Indestructible<Synchronized<std::unordered_map<std::string, uint32_t>>>
cache;
Synchronized<F14FastMap<std::string, uint32_t>>& RequestToken::getCache() {
static Indestructible<Synchronized<F14FastMap<std::string, uint32_t>>> cache;
return *cache;
}
......
......@@ -44,7 +44,7 @@ class RequestToken {
friend struct std::hash<folly::RequestToken>;
private:
static Synchronized<std::unordered_map<std::string, uint32_t>>& getCache();
static Synchronized<F14FastMap<std::string, uint32_t>>& getCache();
uint32_t token_;
};
......
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