MPI_SUCCESS

0

Successful return code. 

MPI_ERR_BUFFER

1

Invalid buffer pointer. 

MPI_ERR_COUNT

2

Invalid count argument. 

MPI_ERR_TYPE

3

Invalid datatype argument. 

MPI_ERR_TAG

4

Invalid tag argument. 

MPI_ERR_COMM

5

Invalid communicator. 

MPI_ERR_RANK

6

Invalid rank. 

MPI_ERR_ROOT

7

Invalid root. 

MPI_ERR_GROUP

8

Null group passed to function. 

MPI_ERR_OP

9

Invalid operation. 

MPI_ERR_TOPOLOGY

10

Invalid topology. 

MPI_ERR_DIMS

11

Illegal dimension argument. 

MPI_ERR_ARG

12

Invalid argument. 

MPI_ERR_UNKNOWN

13

Unknown error. 

MPI_ERR_TRUNCATE

14

Message truncated on receive. 

MPI_ERR_OTHER

15

Other error; use Error_string.

MPI_ERR_INTERN

16

Internal error code. 

MPI_ERR_IN_STATUS

17

Look in status for error value. 

MPI_ERR_PENDING

18

Pending request.  

MPI_ERR_REQUEST

19

Illegal MPI_Request handle.

MPI_ERR_KEYVAL

36

Illegal key value.  

MPI_ERR_INFO

37

Invalid info object.  

MPI_ERR_INFO_KEY

38

Illegal info key.  

MPI_ERR_INFO_NOKEY

39

No such key. 

MPI_ERR_INFO_VALUE

40

Illegal info value.  

MPI_ERR_TIMEDOUT

41

Timed out.  

MPI_ERR_RESOURCES

42

Out of resources.  

MPI_ERR_TRANSPORT

43

Transport layer error.  

MPI_ERR_HANDSHAKE

44

Error accepting/connecting.  

MPI_ERR_SPAWN

45

Error spawning.  

MPI_ERR_LASTCODE

46

Last error code.