src: use unordered_map for perf marks

PR-URL: #19558
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: addaleax

src/env-inl.h

@@ -526,7 +526,8 @@ inline performance::performance_state* Environment::performance_state() {
 return performance_state_.get();
 }
 
-inline std::map<std::string, uint64_t>* Environment::performance_marks() {
+inline std::unordered_map<std::string, uint64_t>*
+Environment::performance_marks() {
 return &performance_marks_;
 }
 

src/env.h

@@ -38,7 +38,6 @@
 #include"node_http2_state.h"
 
 #include<list>
-#include<map>
 #include<stdint.h>
 #include<vector>
 #include<unordered_map>
@@ -625,7 +624,7 @@ class Environment {
 inline AliasedBuffer<uint32_t, v8::Uint32Array>& scheduled_immediate_count();
 
 inline performance::performance_state* performance_state();
-inline std::map<std::string, uint64_t>* performance_marks();
+inline std::unordered_map<std::string, uint64_t>* performance_marks();
 
 inlinevoidThrowError(constchar* errmsg);
 inlinevoidThrowTypeError(constchar* errmsg);
@@ -731,7 +730,7 @@ class Environment {
  AliasedBuffer<uint32_t, v8::Uint32Array> scheduled_immediate_count_;
 
  std::unique_ptr<performance::performance_state> performance_state_;
- std::map<std::string, uint64_t> performance_marks_;
+ std::unordered_map<std::string, uint64_t> performance_marks_;
 
 #if HAVE_INSPECTOR
  std::unique_ptr<inspector::Agent> inspector_agent_;