#1111: active: implment fixes for large message sends

DARMA-tasking · Dec 21, 2020 · 6c04ed2 · 6c04ed2
1 parent b667eba
commit 6c04ed2
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Showing 16 changed files with 879 additions and 207 deletions.
diff --git a/src/vt/configs/arguments/args.cc b/src/vt/configs/arguments/args.cc
@@ -165,6 +165,8 @@ namespace vt { namespace arguments {
 
 /*static*/ bool        ArgConfig::parsed                = false;
 
+/*static*/ std::size_t ArgConfig::vt_max_mpi_send_size  = 1ull << 30;
+
 static std::unique_ptr<char*[]> new_argv = nullptr;
 
 /*static*/ int ArgConfig::parse(int& argc, char**& argv) {
@@ -549,6 +551,16 @@ static std::unique_ptr<char*[]> new_argv = nullptr;
   hca->group(schedulerGroup);
   kca->group(schedulerGroup);
 
+  /*
+   * Options for configuring the runtime
+   */
+  auto a1x = app.add_option(
+    "--vt_max_mpi_send_size", config_.vt_max_mpi_send_size, max_size, true
+  );
+
+  auto configRuntime = "Runtime";
+  a1x->group(configRuntime);
+
   /*
    * Run the parser!
    */

diff --git a/src/vt/configs/arguments/args.h b/src/vt/configs/arguments/args.h
@@ -154,6 +154,7 @@ struct ArgConfig {
   static bool vt_debug_objgroup;
 
   static bool vt_debug_print_flush;
+  std::size_t vt_max_mpi_send_size;
 
   static bool vt_user_1;
   static bool vt_user_2;

diff --git a/src/vt/configs/types/types_type.h b/src/vt/configs/types/types_type.h
@@ -77,7 +77,7 @@ using VirtualElmOnlyProxyType = uint64_t;
 using VirtualElmCountType     = int64_t;
 using UniqueIndexBitType      = uint64_t;
 using GroupType               = uint64_t;
-using MsgSizeType             = int32_t;
+using MsgSizeType             = int64_t;
 using PhaseType               = uint64_t;
 using PipeType                = uint64_t;
 using ObjGroupProxyType       = uint64_t;