enable users to estimate memory that can be allocated in global addre…

…ss space
uwsampa · Dec 15, 2015 · dea094e · dea094e
1 parent ec7feba
commit dea094e
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/system/Grappa.cpp b/system/Grappa.cpp
@@ -756,4 +756,8 @@ namespace Grappa {
     return Grappa_finish(0);
   }
 
+  size_t symmetric_heap_size() {
+    return Grappa::impl::global_memory_size_bytes;
+  }
+
 } // namespace Grappa
diff --git a/system/Grappa.hpp b/system/Grappa.hpp
@@ -78,7 +78,10 @@ namespace Grappa {
   /// Clean up Grappa. Call in SPMD context after all Grappa code
   /// finishes. Running Grappa code after calling finalize() is illegal.
   int finalize();
-
+
+  /// Give users an idea of how much global memory they can allocate
+  /// on this core. This is not guaranteed to be precise.
+  size_t symmetric_heap_size();
 
 #ifndef GRAPPA_NO_ABBREV
   /// Specify non-default behavior: stealable tasks