Ior2016
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IOR Benchmark The IOR software is used for benchmarking parallel file systems using POSIX, MPIIO, or HDF5 interfaces.
Downloaded from: https://github.com/LLNL/ior
Before build:
export LDFLAGS=-L/usr/lpp/mmfs/lib export CPPFLAGS=-I/usr/lpp/mmfs/include LIBS=-lgpfs ./configure
to avoid the gpfs_fcntl issue https://github.com/LLNL/ior/issues/15
Running IOR
Direct Running with out mpi
./ior -vv -k -wWr -C -F -i4 -t 256k -b 10m -s574 -o /data/user/tanthony/ior-master/ ./ior -vv -k -wWr -C -F -i4 -t 256k -b 10m -s574 -numTasks 3 -o /data/user/tanthony/ior-master/ srun -N2 --time=10:00:00 --mem=4096 --partition=medium --job-name=iortest ./ior -f IOR.input IOR -a POSIX -N 3 -b 500m -d 5 -t 128k -o /data/user/tanthony/ior-master/ 1 -e -g -w -r -s 1 -i 4 -vv -F -C
Running with mpi
module load mpich/ge/gcc/64/3.2 mpiexec -n 3 ./ior -a POSIX -N 3 -b 10m -d 5 -t 256k -o /data/user/tanthony/ior-master/ 1 -e -g -w -r -s 1 -i 4 -vv -F -C
Test 0 started: Tue Sep 6 12:01:17 2016
Path: /data/user/tanthony/ior-master
FS: 4766.2 TiB Used FS: 1.7% Inodes: 128.0 Mi Used Inodes: 13.6%
Participating tasks: 3
Using reorderTasks '-C' (expecting block, not cyclic, task assignment)
task 0 on c0089
task 1 on c0089
task 2 on c0089
Summary:
api = POSIX
test filename = /data/user/tanthony/ior-master/
access = file-per-process
pattern = segmented (1 segment)
ordering in a file = sequential offsets
ordering inter file= constant task offsets = 1
clients = 3 (3 per node)
repetitions = 4
xfersize = 131072 bytes
blocksize = 500 MiB
aggregate filesize = 1.46 GiB
Using Time Stamp 1473181277 (0x57cef65d) for Data Signature
Max Write: 4921.20 MiB/sec (5160.25 MB/sec)
Max Read: 11274.53 MiB/sec (11822.20 MB/sec)
Summary of all tests:
Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum
write 4921.20 4086.66 4646.19 332.18 0.32463 0 3 3 4 1 1 1 0 0 1 524288000 131072 1572864000 POSIX 0
read 11274.53 11176.68 11229.53 38.65 0.13358 0 3 3 4 1 1 1 0 0 1 524288000 131072 1572864000 POSIX 0
Finished: Tue Sep 6 12:01:58 2016
Increasing number of threads
mpiexec -n 3 ./ior -a POSIX -N 3 -b 1g -d 5 -t 256k -o /data/user/tanthony/ior-master/ -vv -k -wWr -C -F -i4
Using synchronized MPI timer
Start time skew across all tasks: 0.00 sec
Test 0 started: Tue Sep 6 12:17:53 2016
Path: /data/user/tanthony/ior-master
FS: 4766.2 TiB Used FS: 1.7% Inodes: 128.0 Mi Used Inodes: 13.6%
Participating tasks: 3
Using reorderTasks '-C' (expecting block, not cyclic, task assignment)
task 0 on c0089
task 1 on c0089
task 2 on c0089
Summary:
api = POSIX
test filename = /data/user/tanthony/ior-master/
access = file-per-process
pattern = segmented (1 segment)
ordering in a file = sequential offsets
ordering inter file= constant task offsets = 1
clients = 3 (3 per node)
repetitions = 4
xfersize = 262144 bytes
blocksize = 1 GiB
aggregate filesize = 3 GiB
Using Time Stamp 1473182273 (0x57cefa41) for Data Signature
Max Write: 6295.34 MiB/sec (6601.14 MB/sec)
Max Read: 10185.52 MiB/sec (10680.30 MB/sec)
Summary of all tests:
Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum
write 6295.34 6139.65 6225.21 55.59 0.49352 0 3 3 4 1 1 1 0 0 1 1073741824 262144 3221225472 POSIX 0
read 10185.52 9304.62 9676.96 325.32 0.31781 0 3 3 4 1 1 1 0 0 1 1073741824 262144 3221225472 POSIX 0
Running via srun
srun -N3 -n3 --partition=beta --time=2:00:00 --mem=4096 mpiexec -n 3 ./ior -a POSIX -N 3 -b 1g -d 5 -t 256k -o /data/user/tanthony/ior-master/ 1 -e -g -w -r -s 1 -i 4 -vv -F -C
Increasing the number of nodes
- Running with three nodes
srun -N3 -n3 --partition=beta --time=2:00:00 --mem=4096 mpiexec -n 3 ./ior -a POSIX -N 3 -b 2g -d 5 -t 2m -o /data/user/tanthony/ior-master/ 1 -e -g -w -r -s 1 -i 3 -vv -F -C Max Write: 11845.79 MiB/sec (12421.21 MB/sec) Max Read: 15105.21 MiB/sec (15838.96 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum write 11845.79 5360.16 9535.91 2958.26 0.73459 0 3 1 3 1 1 1 0 0 1 2147483648 2097152 6442450944 POSIX 0 read 15105.21 12168.91 13998.89 1303.39 0.44299 0 3 1 3 1 1 1 0 0 1 2147483648 2097152 6442450944 POSIX 0
- Running with 6 nodes
srun -N6 -n6 --partition=beta --time=2:00:00 --mem=4096 mpiexec -n 6 ./ior -a POSIX -N 6 -b 3g -d 5 -t 4m -o /data/user/tanthony/ior-master/ 1 -e -g -w -r -s 1 -i 3 -vv -F -C Max Write: 20743.88 MiB/sec (21751.53 MB/sec) Max Read: 19156.05 MiB/sec (20086.57 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggsize API RefNum write 20743.88 4791.11 15196.25 7362.94 1.88494 0 6 1 3 1 1 1 0 0 1 3221225472 4194304 19327352832 POSIX 0 read 19156.05 11148.20 15872.29 3424.16 1.22674 0 6 1 3 1 1 1 0 0 1 3221225472 4194304 19327352832 POSIX 0
- Running with 6 nodes and 16 tasks
srun -N16 -n16 --partition=beta --time=2:00:00 --mem=4096 mpiexec -n 16 ./ior -a POSIX -N 16 -b 4g -d 5 -t 4m -o /data/user/tanthony/ior-master/ 1 -e -g -w -r -s 1 -i 3 -vv -F -C Max Write: 21229.09 MiB/sec (22260.31 MB/sec) Max Read: 19458.28 MiB/sec (20403.48 MB/sec)