Page Comparison

[sdwillso@boro-4 daos_m]$ orterun --mca mtl ^psm2,ofi -np 1 --ompi-server file:~/scripts/uri.txt dmg create --size=40G
3675153f: rank 1 became pool service leader 0
3675153f-7d2c-48d9-9b19-0da8cebb2b18 1
[sdwillso@boro-4 daos_m]$ orterun -x FI_PSM2_DISCONNECT=1 -N 1 --hostfile ~/hostlists/daos_client_hostlist --mca mtl ^psm2,ofi  --ompi-server file:~/scripts/uri.txt ior -v -W -i 5 -a DAOS -w -o `uuidgen` -b 5g -t 1m -- -p 3675153f-7d2c-48d9-9b19-0da8cebb2b18 -v 1 -r 1m -s 1m -c 1024 -a 16 -o LARGE
ior WARNING: assuming POSIX-based backend for DAOS statfs call.
ior WARNING: assuming POSIX-based backend for DAOS mkdir call.
ior WARNING: assuming POSIX-based backend for DAOS rmdir call.
ior WARNING: assuming POSIX-based backend for DAOS access call.
ior WARNING: assuming POSIX-based backend for DAOS stat call.
ior WARNING: assuming POSIX-based backend for DAOS statfs call.
ior WARNING: assuming POSIX-based backend for DAOS mkdir call.
ior WARNING: assuming POSIX-based backend for DAOS rmdir call.
ior WARNING: assuming POSIX-based backend for DAOS access call.
ior WARNING: assuming POSIX-based backend for DAOS stat call.
IOR-3.1.0: MPI Coordinated Test of Parallel I/O
Began               : Wed Oct 31 22:37:44 2018
Command line        : ior -v -W -i 5 -a DAOS -w -o f76eabf5-dddd-44d8-9e80-859e18b14f3e -b 5g -t 1m -- -p 3675153f-7d2c-48d9-9b19-0da8cebb2b18 -v 1 -r 1m -s 1m -c 1024 -a 16 -o LARGE
Machine             : Linux boro-12.boro.hpdd.intel.com
Start time skew across all tasks: 2208081.84 sec
TestID              : 0
StartTime           : Wed Oct 31 22:37:44 2018
Path                : /home/sdwillso/daos_m
FS                  : 3.8 TiB   Used FS: 14.2%   Inodes: 250.0 Mi   Used Inodes: 3.1%
Participating tasks: 2
[0] WARNING: USING daosStripeMax CAUSES READS TO RETURN INVALID DATA

Options: 
api                 : DAOS
apiVersion          : DAOS
test filename       : f76eabf5-dddd-44d8-9e80-859e18b14f3e
access              : single-shared-file
type                : independent
segments            : 1
ordering in a file  : sequential
ordering inter file : no tasks offsets
tasks               : 2
clients per node    : 1
repetitions         : 5
xfersize            : 1 MiB
blocksize           : 5 GiB
aggregate filesize  : 10 GiB

Results: 

access    bw(MiB/s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ---------- ---------  --------   --------   --------   --------   ----
Commencing write performance test: Wed Oct 31 22:37:45 2018
write     4542       5242880    1024.00    0.025885   2.21       0.020801   2.25       0   
Verifying contents of the file(s) just written.
Wed Oct 31 22:37:47 2018

remove    -          -          -          -          -          -          0.029135   0   
Commencing write performance test: Wed Oct 31 22:37:54 2018
write     4637       5242880    1024.00    0.023124   2.16       0.020863   2.21       1   
Verifying contents of the file(s) just written.
Wed Oct 31 22:37:56 2018

remove    -          -          -          -          -          -          0.028687   1   
Commencing write performance test: Wed Oct 31 22:38:02 2018
write     4614       5242880    1024.00    0.023486   2.18       0.020511   2.22       2   
Verifying contents of the file(s) just written.
Wed Oct 31 22:38:04 2018

remove    -          -          -          -          -          -          0.029018   2   
Commencing write performance test: Wed Oct 31 22:38:12 2018
write     4620       5242880    1024.00    0.023798   2.17       0.021097   2.22       3   
Verifying contents of the file(s) just written.
Wed Oct 31 22:38:14 2018

remove    -          -          -          -          -          -          0.029168   3   
Commencing write performance test: Wed Oct 31 22:38:21 2018
write     4608       5242880    1024.00    0.024092   2.18       0.020979   2.22       4   
Verifying contents of the file(s) just written.
Wed Oct 31 22:38:23 2018

remove    -          -          -          -          -          -          0.028924   4   
Max Write: 4636.61 MiB/sec (4861.84 MB/sec)

Summary of all tests:
Operation   Max(MiB)   Min(MiB)  Mean(MiB)     StdDev   Max(OPs)   Min(OPs)  Mean(OPs)     StdDev    Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt   blksiz    xsize aggs(MiB)   API RefNum
write        4636.61    4541.56    4603.98      32.64    4636.61    4541.56    4603.98      32.64    2.22428     0      2   1    5   0     0        1         0    0      1 5368709120  1048576   10240.0 DAOS      0
Finished            : Wed Oct 31 22:38:33 2018