Index: lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp
===================================================================
--- lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp
+++ lldb/source/Plugins/DynamicLoader/POSIX-DYLD/DynamicLoaderPOSIXDYLD.cpp
@@ -24,6 +24,7 @@
 #include "lldb/Utility/LLDBLog.h"
 #include "lldb/Utility/Log.h"
 #include "lldb/Utility/ProcessInfo.h"
+#include "llvm/Support/ThreadPool.h"
 
 #include <memory>
 
@@ -602,9 +603,24 @@
   m_process->PrefetchModuleSpecs(
       module_names, m_process->GetTarget().GetArchitecture().GetTriple());
 
-  for (I = m_rendezvous.begin(), E = m_rendezvous.end(); I != E; ++I) {
-    ModuleSP module_sp =
+  std::vector<DYLDRendezvous::iterator> infos;
+  for (I = m_rendezvous.begin(), E = m_rendezvous.end(); I != E; ++I)
+    infos.push_back(I);
+  std::vector<ModuleSP> loaded_modules;
+  loaded_modules.resize(infos.size());
+  llvm::ThreadPool pool(llvm::optimal_concurrency(infos.size()));
+  auto load_module_fn = [&](size_t idx) {
+    DYLDRendezvous::iterator I = infos[idx];
+    loaded_modules[idx] =
         LoadModuleAtAddress(I->file_spec, I->link_addr, I->base_addr, true);
+  };
+  for (size_t i = 0; i < infos.size(); ++i)
+    pool.async(load_module_fn, i);
+  pool.wait();
+
+  for (size_t i = 0; i < infos.size(); ++i) {
+    DYLDRendezvous::iterator I = infos[i];
+    ModuleSP module_sp = loaded_modules[i];
     if (module_sp.get()) {
       LLDB_LOG(log, "LoadAllCurrentModules loading module: {0}",
                I->file_spec.GetFilename());