Improve performance of experience cache

indra/llmessage/llexperiencecache.cpp

@@ -268,22 +268,22 @@ void LLExperienceCache::requestExperiencesCoro(LLCoreHttpUtil::HttpCoroutineAdap
 
         LLSD headers = httpResults[LLCoreHttpUtil::HttpCoroutineAdapter::HTTP_RESULTS_HEADERS];
         // build dummy entries for the failed requests
-        for (RequestQueue_t::const_iterator it = requests.begin(); it != requests.end(); ++it)
+        for (const LLUUID& exp_id : requests)
         {
-            LLSD exp = get(*it);
+            LLSD exp = get(exp_id);
             //leave the properties alone if we already have a cache entry for this xp
             if (exp.isUndefined())
             {
                 exp[PROPERTIES] = PROPERTY_INVALID;
             }
             exp[EXPIRES] = now + LLExperienceCacheImpl::getErrorRetryDeltaTime(status, headers);
-            exp[EXPERIENCE_ID] = *it;
+            exp[EXPERIENCE_ID] = exp_id;
             exp["key_type"] = EXPERIENCE_ID;
-            exp["uuid"] = *it;
+            exp["uuid"] = exp_id;
             exp["error"] = (LLSD::Integer)status.getType();
             exp[QUOTA] = DEFAULT_QUOTA;
 
-            processExperience(*it, exp);
+            processExperience(exp_id, exp);
         }
         return;
     }

indra/llmessage/llexperiencecache.h

@@ -37,6 +37,8 @@
 #include <boost/signals2.hpp>
 #include <boost/function.hpp>
 
+#include "boost/unordered_map.hpp"
+
 class LLSD;
 class LLUUID;
 
@@ -116,11 +118,11 @@ class LLExperienceCache final : public LLParamSingleton < LLExperienceCache >
 	// May have multiple callbacks for a single ID, which are
 	// represented as multiple slots bound to the signal.
 	// Avoid copying signals via pointers.
-	typedef std::map<LLUUID, signal_ptr> signal_map_t;
-	typedef std::map<LLUUID, LLSD> cache_t;
+	typedef boost::unordered_map<LLUUID, signal_ptr> signal_map_t;
+	typedef boost::unordered_map<LLUUID, LLSD> cache_t;
 	
 	typedef std::set<LLUUID> RequestQueue_t;
-    typedef std::map<LLUUID, F64> PendingQueue_t;
+    typedef boost::unordered_map<LLUUID, F64> PendingQueue_t;
 
 	//--------------------------------------------
 	static const std::string PRIVATE_KEY;	// "private_id"