Update threadpool.cpp

Author: GregoryComer

extension/threadpool/threadpool.cpp

@@ -62,6 +62,8 @@ size_t ThreadPool::get_thread_count() const {
 }
 
 bool ThreadPool::_unsafe_reset_threadpool(uint32_t new_thread_count) {
+  ET_LOG(Info, "Resetting threadpool to %u threads.", new_thread_count);
+
   // No need to do anything if the count is same or 0
   if (new_thread_count == get_thread_count() || new_thread_count == 0) {
     return true;
@@ -126,8 +128,7 @@ ThreadPool* get_threadpool() {
     auto result = cpuinfo_get_processors_count();
 #else
     // Set threads equal to the number of performance cores.
-    auto result =
-        ::executorch::extension::cpuinfo::get_num_performant_cores();
+    auto result = ::executorch::extension::cpuinfo::get_num_performant_cores();
 #endif
 
     /*
@@ -138,7 +139,7 @@ ThreadPool* get_threadpool() {
      * tricky to detect if we are running under tsan, for now capping the
      * default threadcount to the tsan limit unconditionally.
      */
-    constexpr int tsan_thread_limit = 63;
+    constexpr unsigned int tsan_thread_limit = 63;
     return std::min(result, tsan_thread_limit);
   })();