+XBT_PRIVATE void private_execute_flops(double flops);
+
+
+#define CHECK_ARGS(test, errcode, ...) \
+ if (test) { \
+ if(errcode != MPI_SUCCESS) \
+ XBT_WARN(__VA_ARGS__); \
+ return (errcode); \
+ }
+
+#define CHECK_MPI_NULL(num, val, err, ptr) \
+ CHECK_ARGS(ptr == val, err, \
+ "%s: param %d %s cannot be %s", __func__, num, #ptr, #val);
+#define CHECK_NULL(num,err,buf) \
+ CHECK_ARGS(buf == nullptr, err, \
+ "%s: param %d %s cannot be NULL", __func__, num, #buf);
+#define CHECK_NEGATIVE(num, err, val) \
+ CHECK_ARGS(val < 0, err, \
+ "%s: param %d %s cannot be negative", __func__, num, #val);
+#define CHECK_COMM2(num, comm) \
+ CHECK_MPI_NULL(num, MPI_COMM_NULL, MPI_ERR_COMM, comm)
+#define CHECK_COMM(num) \
+ CHECK_COMM2(num, comm)
+#define CHECK_REQUEST(num) \
+ CHECK_ARGS(request == nullptr, MPI_ERR_REQUEST, \
+ "%s: param %d request cannot be NULL",__func__, num);
+#define CHECK_BUFFER(num,buf,count) \
+ CHECK_ARGS(buf == nullptr && count > 0, MPI_ERR_BUFFER, \
+ "%s: param %d %s cannot be NULL if %s > 0",__func__, num, #buf, #count);
+#define CHECK_COUNT(num, count) \
+ CHECK_NEGATIVE(num, MPI_ERR_COUNT, count)
+#define CHECK_TYPE(num, datatype) \
+ CHECK_ARGS((datatype == MPI_DATATYPE_NULL|| not datatype->is_valid()), MPI_ERR_TYPE, \
+ "%s: param %d %s cannot be MPI_DATATYPE_NULL or invalid", __func__, num, #datatype);
+#define CHECK_OP(num) \
+ CHECK_MPI_NULL(num, MPI_OP_NULL, MPI_ERR_OP, op)
+#define CHECK_ROOT(num)\
+ CHECK_ARGS((root < 0 || root >= comm->size()), MPI_ERR_ROOT, \
+ "%s: param %d root (=%d) cannot be negative or larger than communicator size (=%d)", __func__, num, root, \
+ comm->size());
+#define CHECK_PROC(num,proc) \
+ CHECK_MPI_NULL(num, MPI_PROC_NULL, MPI_SUCCESS, proc)
+#define CHECK_INFO(num,info) \
+ CHECK_MPI_NULL(num, MPI_INFO_NULL, MPI_ERR_INFO, info)
+#define CHECK_TAG(num,tag) \
+ CHECK_ARGS((tag < 0 && tag != MPI_ANY_TAG), MPI_ERR_TAG, \
+ "%s: param %d %s (=%d) cannot be negative", __func__, num, #tag, tag);
+#define CHECK_FILE(num, fh) \
+ CHECK_MPI_NULL(num, MPI_FILE_NULL, MPI_ERR_FILE, fh)
+#define CHECK_OFFSET(num, offset) \
+ CHECK_NEGATIVE(num, MPI_ERR_DISP, offset)
+#define CHECK_GROUP(num, group) \
+ CHECK_MPI_NULL(num, MPI_GROUP_NULL, MPI_ERR_GROUP, group)
+#define CHECK_WIN(num, group) \
+ CHECK_MPI_NULL(num, MPI_WIN_NULL, MPI_ERR_WIN, group)
+#define CHECK_RANK(num, rank, comm) \
+ CHECK_ARGS((rank >= comm->group()->size() || rank <0), MPI_ERR_RANK, \
+ "%s: param %d %s (=%d) cannot be < 0 or > %d", __func__, num, #rank, rank, comm->group()->size() );