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$ iozone -l 32 -O -i 0 -i 1 -i 2 -e -+n -r 4K -s 4G
Iozone: Performance Test of File I/O
Version $Revision: 3.413 $
Compiled for 64 bit mode.
Build: macosx
Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
Al Slater, Scott Rhine, Mike Wisner, Ken Goss
Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Ben England.
Run began: Tue Aug 27 23:16:11 2013
OPS Mode. Output is in operations per second.
Include fsync in write timing
No retest option selected
Record Size 4 KB
File size set to 4194304 KB
Command line used: iozone -l 32 -O -i 0 -i 1 -i 2 -e -+n -r 4K -s 4G
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Min process = 32
Max process = 32
Throughput test with 32 processes
Each process writes a 4194304 Kbyte file in 4 Kbyte records
marv
Children see throughput for 32 initial writers = 143590.09 ops/sec
Parent sees throughput for 32 initial writers = 139070.90 ops/sec
Min throughput per process = 4382.16 ops/sec
Max throughput per process = 4623.34 ops/sec
Avg throughput per process = 4487.19 ops/sec
Min xfer = 993717.00 ops
Children see throughput for 32 readers = 191133.57 ops/sec
Parent sees throughput for 32 readers = 190986.70 ops/sec
Min throughput per process = 5830.28 ops/sec
Max throughput per process = 6209.41 ops/sec
Avg throughput per process = 5972.92 ops/sec
Min xfer = 984575.00 ops
Children see throughput for 32 random readers = 40193.81 ops/sec
Parent sees throughput for 32 random readers = 40173.70 ops/sec
Min throughput per process = 1250.96 ops/sec
Max throughput per process = 1261.16 ops/sec
Avg throughput per process = 1256.06 ops/sec
Min xfer = 1040136.00 ops
Children see throughput for 32 random writers = 32946.70 ops/sec
Parent sees throughput for 32 random writers = 31585.71 ops/sec
Min throughput per process = 1001.99 ops/sec
Max throughput per process = 1068.77 ops/sec
Avg throughput per process = 1029.58 ops/sec
Min xfer = 984853.00 ops
hild
Children see throughput for 32 initial writers = 12285.57 ops/sec
Parent sees throughput for 32 initial writers = 1048.07 ops/sec
Min throughput per process = 338.85 ops/sec
Max throughput per process = 748.68 ops/sec
Avg throughput per process = 383.92 ops/sec
Min xfer = 133745.00 ops
Children see throughput for 32 readers = 1059311.75 ops/sec
Parent sees throughput for 32 readers = 1059005.89 ops/sec
Min throughput per process = 8649.47 ops/sec
Max throughput per process = 54769.31 ops/sec
Avg throughput per process = 33103.49 ops/sec
Min xfer = 165629.00 ops
Children see throughput for 32 random readers = 7235766.41 ops/sec
Parent sees throughput for 32 random readers = 7206898.49 ops/sec
Min throughput per process = 2640.76 ops/sec
Max throughput per process = 649978.50 ops/sec
Avg throughput per process = 226117.70 ops/sec
Min xfer = 4259.00 ops
Children see throughput for 32 random writers = 4318.77 ops/sec
Parent sees throughput for 32 random writers = 3950.61 ops/sec
Min throughput per process = 122.19 ops/sec
Max throughput per process = 151.62 ops/sec
Avg throughput per process = 134.96 ops/sec
Min xfer = 990003.00 ops
Idril 843
Children see throughput for 32 initial writers = 85204.82 ops/sec
Parent sees throughput for 32 initial writers = 65652.99 ops/sec
Min throughput per process = 2524.38 ops/sec
Max throughput per process = 2964.75 ops/sec
Avg throughput per process = 2662.65 ops/sec
Min xfer = 758637.00 ops
Children see throughput for 32 readers = 329834.15 ops/sec
Parent sees throughput for 32 readers = 329720.62 ops/sec
Min throughput per process = 3084.66 ops/sec
Max throughput per process = 34517.88 ops/sec
Avg throughput per process = 10307.32 ops/sec
Min xfer = 93725.00 ops
Children see throughput for 32 random readers = 5767889.13 ops/sec
Parent sees throughput for 32 random readers = 5735259.62 ops/sec
Min throughput per process = 8692.42 ops/sec
Max throughput per process = 556682.12 ops/sec
Avg throughput per process = 180246.54 ops/sec
Min xfer = 16360.00 ops
Children see throughput for 32 random writers = 59533.00 ops/sec
Parent sees throughput for 32 random writers = 54550.09 ops/sec
Min throughput per process = 1692.37 ops/sec
Max throughput per process = 2057.99 ops/sec
Avg throughput per process = 1860.41 ops/sec
Min xfer = 995572.00 ops
Bergil 843
Children see throughput for 32 initial writers = 94161.98 ops/sec
Parent sees throughput for 32 initial writers = 63549.00 ops/sec
Min throughput per process = 2698.27 ops/sec
Max throughput per process = 3710.76 ops/sec
Avg throughput per process = 2942.56 ops/sec
Min xfer = 679320.00 ops
Children see throughput for 32 readers = 138496.73 ops/sec
Parent sees throughput for 32 readers = 138460.01 ops/sec
Min throughput per process = 2986.22 ops/sec
Max throughput per process = 23521.30 ops/sec
Avg throughput per process = 4328.02 ops/sec
Min xfer = 133175.00 ops
Children see throughput for 32 random readers = 3773636.41 ops/sec
Parent sees throughput for 32 random readers = 3754281.80 ops/sec
Min throughput per process = 4544.63 ops/sec
Max throughput per process = 649926.94 ops/sec
Avg throughput per process = 117926.14 ops/sec
Min xfer = 7335.00 ops
Children see throughput for 32 random writers = 53171.53 ops/sec
Parent sees throughput for 32 random writers = 47607.39 ops/sec
Min throughput per process = 1490.37 ops/sec
Max throughput per process = 1905.16 ops/sec
Avg throughput per process = 1661.61 ops/sec
Min xfer = 965965.00 ops
Bergil 840 no OP
Children see throughput for 32 initial writers = 10779.38 ops/sec
Parent sees throughput for 32 initial writers = 4985.56 ops/sec
Min throughput per process = 277.11 ops/sec
Max throughput per process = 654.01 ops/sec
Avg throughput per process = 336.86 ops/sec
Min xfer = 304593.00 ops
Children see throughput for 32 readers = 265117.60 ops/sec
Parent sees throughput for 32 readers = 264930.12 ops/sec
Min throughput per process = 1657.76 ops/sec
Max throughput per process = 43659.64 ops/sec
Avg throughput per process = 8284.93 ops/sec
Min xfer = 39837.00 ops
Children see throughput for 32 random readers = 5286068.43 ops/sec
Parent sees throughput for 32 random readers = 5263616.89 ops/sec
Min throughput per process = 4268.17 ops/sec
Max throughput per process = 679917.31 ops/sec
Avg throughput per process = 165189.64 ops/sec
Min xfer = 6584.00 ops
Children see throughput for 32 random writers = 10238.72 ops/sec
Parent sees throughput for 32 random writers = 9478.82 ops/sec
Min throughput per process = 295.26 ops/sec
Max throughput per process = 366.57 ops/sec
Avg throughput per process = 319.96 ops/sec
Min xfer = 961650.00 ops
Bergil 840 OP
Children see throughput for 32 initial writers = 9710.91 ops/sec
Parent sees throughput for 32 initial writers = 7097.62 ops/sec
Min throughput per process = 286.54 ops/sec
Max throughput per process = 367.29 ops/sec
Avg throughput per process = 303.47 ops/sec
Min xfer = 630173.00 ops
Children see throughput for 32 readers = 82105.54 ops/sec
Parent sees throughput for 32 readers = 82085.51 ops/sec
Min throughput per process = 1845.22 ops/sec
Max throughput per process = 24826.34 ops/sec
Avg throughput per process = 2565.80 ops/sec
Min xfer = 77949.00 ops
Children see throughput for 32 random readers = 2028186.97 ops/sec
Parent sees throughput for 32 random readers = 2017743.36 ops/sec
Min throughput per process = 4541.70 ops/sec
Max throughput per process = 698997.00 ops/sec
Avg throughput per process = 63380.84 ops/sec
Min xfer = 6818.00 ops
Children see throughput for 32 random writers = 12292.04 ops/sec
Parent sees throughput for 32 random writers = 11463.23 ops/sec
Min throughput per process = 353.31 ops/sec
Max throughput per process = 435.18 ops/sec
Avg throughput per process = 384.13 ops/sec
Min xfer = 976903.00 ops
Elrond 843
Children see throughput for 32 initial writers = 86918.90 ops/sec
Parent sees throughput for 32 initial writers = 80014.39 ops/sec
Min throughput per process = 2429.12 ops/sec
Max throughput per process = 3209.43 ops/sec
Avg throughput per process = 2716.22 ops/sec
Min xfer = 952219.00 ops
Children see throughput for 32 readers = 83649.97 ops/sec
Parent sees throughput for 32 readers = 83628.73 ops/sec
Min throughput per process = 2517.47 ops/sec
Max throughput per process = 2891.15 ops/sec
Avg throughput per process = 2614.06 ops/sec
Min xfer = 913091.00 ops
Children see throughput for 32 random readers = 104777.12 ops/sec
Parent sees throughput for 32 random readers = 104721.68 ops/sec
Min throughput per process = 3100.49 ops/sec
Max throughput per process = 3623.04 ops/sec
Avg throughput per process = 3274.28 ops/sec
Min xfer = 897388.00 ops
Children see throughput for 32 random writers = 60598.27 ops/sec
Parent sees throughput for 32 random writers = 52283.50 ops/sec
Min throughput per process = 1621.41 ops/sec
Max throughput per process = 2176.43 ops/sec
Avg throughput per process = 1893.70 ops/sec
Min xfer = 838073.00 ops
Aragorn Intel 320
Children see throughput for 32 initial writers = 44074.41 ops/sec
Parent sees throughput for 32 initial writers = 40365.90 ops/sec
Min throughput per process = 1236.41 ops/sec
Max throughput per process = 1835.48 ops/sec
Avg throughput per process = 1377.33 ops/sec
Min xfer = 1012850.00 ops
Children see throughput for 32 readers = 334566.64 ops/sec
Parent sees throughput for 32 readers = 334235.03 ops/sec
Min throughput per process = 8183.73 ops/sec
Max throughput per process = 12553.96 ops/sec
Avg throughput per process = 10455.21 ops/sec
Min xfer = 683585.00 ops
Children see throughput for 32 random readers = 175114.73 ops/sec
Parent sees throughput for 32 random readers = 174989.52 ops/sec
Min throughput per process = 3951.14 ops/sec
Max throughput per process = 6103.68 ops/sec
Avg throughput per process = 5472.34 ops/sec
Min xfer = 678781.00 ops
Children see throughput for 32 random writers = 10197.30 ops/sec
Parent sees throughput for 32 random writers = 9444.54 ops/sec
Min throughput per process = 308.38 ops/sec
Max throughput per process = 326.66 ops/sec
Avg throughput per process = 318.67 ops/sec
Min xfer = 993096.00 ops
Aragorn 840 Pro 128Gb
Children see throughput for 32 initial writers = 8274.67 ops/sec
Parent sees throughput for 32 initial writers = 6945.82 ops/sec
Min throughput per process = 215.78 ops/sec
Max throughput per process = 378.72 ops/sec
Avg throughput per process = 258.58 ops/sec
Min xfer = 257233.00 ops
Children see throughput for 32 readers = 324715.19 ops/sec
Parent sees throughput for 32 readers = 323774.54 ops/sec
Min throughput per process = 9988.75 ops/sec
Max throughput per process = 10336.27 ops/sec
Avg throughput per process = 10147.35 ops/sec
Min xfer = 253331.00 ops
Children see throughput for 32 random readers = 176899.78 ops/sec
Parent sees throughput for 32 random readers = 176685.93 ops/sec
Min throughput per process = 5462.75 ops/sec
Max throughput per process = 5595.03 ops/sec
Avg throughput per process = 5528.12 ops/sec
Min xfer = 255855.00 ops
Children see throughput for 32 random writers = 11278.58 ops/sec
Parent sees throughput for 32 random writers = 9364.47 ops/sec
Min throughput per process = 293.00 ops/sec
Max throughput per process = 527.19 ops/sec
Avg throughput per process = 352.46 ops/sec
Min xfer = 257867.00 ops
