From 1c141cb0be93bc5a5fdc3c6acf1145c087ab1d86 Mon Sep 17 00:00:00 2001
From: Stephane Del Pino <stephane.delpino44@gmail.com>
Date: Fri, 19 Oct 2018 17:34:23 +0200
Subject: [PATCH] Fix broadcast of trivial that only cast to array
This fixes the case of sequential compilation. Was correct in parallel.
---
src/utils/Messenger.hpp | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/src/utils/Messenger.hpp b/src/utils/Messenger.hpp
index 8f9bedf64..09dc1f5dd 100644
--- a/src/utils/Messenger.hpp
+++ b/src/utils/Messenger.hpp
@@ -364,12 +364,8 @@ class Messenger
CastType& cast_data = reinterpret_cast<CastType&>(data);
_broadcast_value(cast_data, root_rank);
} else {
-#ifdef PASTIS_HAS_MPI
- MPI_Datatype mpi_datatype
- = Messenger::helper::mpiType<CastType>();
- MPI_Bcast(reinterpret_cast<CastType*>(&data), sizeof(DataType)/sizeof(CastType),
- mpi_datatype, root_rank, MPI_COMM_WORLD);
-#endif // PASTIS_HAS_MPI
+ CastArray cast_array = cast_value_to<CastType>::from(data);
+ _broadcast_array(cast_array, root_rank);
}
} else {
static_assert(std::is_trivial_v<DataType>,
--
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