on rank      0: start wrote=    10
on rank      0: wrote=  1000
on rank      0: sum=       1000.00000
on rank      0: start read=     10
on rank      0: read=   1000
on rank      0: sum=       1000.00000
on rank      0: nfiles=       1
on rank      0: chunksize=    8000
on rank      0: fsblksize=    8000
siondump: sid:                       0
siondump: filename:                  test_sionfile.sion            
siondump: prefix:                    test_sionfile.sion            
siondump: number of tasks:           4
siondump: filesystem blocksize:      8000 bytes (  0.01 MB)
siondump: file set:                  No
siondump: file number:               0
siondump: number of files:           1
siondump: flag1:                     214748364800 (50+0)
siondump: flag2:                     0
siondump: keyval:                    50 (SION_KEYVAL_NONE)
siondump: file format version:       5
siondump: number of blocks:           2
siondump: size of chunks:                               64000 bytes  (    0.06 MB)
siondump: datasize in file (aggr.):                     32320 bytes  (    0.03 MB)
siondump: size of full chunks:                          32000 bytes  (    0.03 MB) #      4
siondump: size of partly filled chunks:                   320 bytes  (    0.00 MB) #      4
siondump: size of empty chunks:                             0 bytes  (    0.00 MB) #      0
siondump: overhead compared to task-local file:         31680 bytes  (    0.03 MB)
siondump: file usage (user data/chunk size):        50.500000%
siondump: fsblocks, size of used blocks:                64000 bytes  (    0.06 MB, 8 blocks)
siondump: fsblocks, size of fully used locks:           32000 bytes  (    0.03 MB, 4 blocks)
siondump: fsblocks, size of partly used blocks:           320 bytes of        32000 bytes (  0.00 MB of   0.03 MB, 4 blocks)
siondump: fsblocks, used fsblocks/chunk size:       100.000000%
siondump: fsblocks, user data/used blocks:           50.500000%
Task 00: size=      8080 B glblrnk=   0 #blks= 2 lsz=      8000 B:        80      8000 
Task 01: size=      8080 B glblrnk=   1 #blks= 2 lsz=      8000 B:        80      8000 
Task 02: size=      8080 B glblrnk=   2 #blks= 2 lsz=      8000 B:        80      8000 
Task 03: size=      8080 B glblrnk=   3 #blks= 2 lsz=      8000 B:        80      8000 
