make sure communication buffers are fully initialized (3cb26e57) · Commits · 郑智淋 / lammps

src/comm.cpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -982,6 +982,7 @@ rendezvous_all2all(int n, char inbuf, int insize, int inorder, int procs,
		memory->create(procs_a2a,nprocs,"rendezvous:procs");
		inbuf_a2a = (char ) memory->smalloc((bigint) ninsize,
		"rendezvous:inbuf");
		memset(inbuf_a2a,0,(bigint)ninsizesizeof(char));
		memory->create(offsets,nprocs,"rendezvous:offsets");

		for (int i = 0; i < nprocs; i++) procs_a2a[i] = 0;
		@@ -1045,6 +1046,7 @@ rendezvous_all2all(int n, char inbuf, int insize, int inorder, int procs,

		char inbuf_rvous = (char ) memory->smalloc((bigint) nrvous*insize,
		"rendezvous:inbuf");
		memset(inbuf_rvous,0,(bigint) nrvousinsizesizeof(char));

		MPI_Alltoallv(inbuf_a2a,sendcount,sdispls,MPI_CHAR,
		inbuf_rvous,recvcount,rdispls,MPI_CHAR,world);