Created
January 30, 2013 07:38
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A benchmark test for SD card "Lexar SDHCcard Class10 UHS-1 32GB LSD32GBJ200"
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| $ iozone -t 2 -s 512M -r 128K -i 0 -i 1 -i 2 | |
| 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 Jan 29 23:00:04 2013 | |
| File size set to 524288 KB | |
| Record Size 128 KB | |
| Command line used: iozone -t 2 -s 512M -r 128K -i 0 -i 1 -i 2 | |
| Output is in Kbytes/sec | |
| 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. | |
| Throughput test with 2 processes | |
| Each process writes a 524288 Kbyte file in 128 Kbyte records | |
| Children see throughput for 2 initial writers = 29047.11 KB/sec | |
| Parent sees throughput for 2 initial writers = 26677.55 KB/sec | |
| Min throughput per process = 14307.64 KB/sec | |
| Max throughput per process = 14739.47 KB/sec | |
| Avg throughput per process = 14523.56 KB/sec | |
| Min xfer = 508928.00 KB | |
| Children see throughput for 2 rewriters = 30469.63 KB/sec | |
| Parent sees throughput for 2 rewriters = 28157.35 KB/sec | |
| Min throughput per process = 12306.44 KB/sec | |
| Max throughput per process = 18163.20 KB/sec | |
| Avg throughput per process = 15234.82 KB/sec | |
| Min xfer = 405760.00 KB | |
| Children see throughput for 2 readers = 9793642.50 KB/sec | |
| Parent sees throughput for 2 readers = 9765756.47 KB/sec | |
| Min throughput per process = 4874730.50 KB/sec | |
| Max throughput per process = 4918912.00 KB/sec | |
| Avg throughput per process = 4896821.25 KB/sec | |
| Min xfer = 519680.00 KB | |
| Children see throughput for 2 re-readers = 9261350.00 KB/sec | |
| Parent sees throughput for 2 re-readers = 9236118.61 KB/sec | |
| Min throughput per process = 4560983.50 KB/sec | |
| Max throughput per process = 4700366.50 KB/sec | |
| Avg throughput per process = 4630675.00 KB/sec | |
| Min xfer = 508928.00 KB | |
| Children see throughput for 2 random readers = 10001251.00 KB/sec | |
| Parent sees throughput for 2 random readers = 9971483.59 KB/sec | |
| Min throughput per process = 4963845.00 KB/sec | |
| Max throughput per process = 5037406.00 KB/sec | |
| Avg throughput per process = 5000625.50 KB/sec | |
| Min xfer = 516736.00 KB | |
| Children see throughput for 2 random writers = 2108.68 KB/sec | |
| Parent sees throughput for 2 random writers = 799.42 KB/sec | |
| Min throughput per process = 277.28 KB/sec | |
| Max throughput per process = 1831.40 KB/sec | |
| Avg throughput per process = 1054.34 KB/sec | |
| Min xfer = 130560.00 KB | |
| iozone test complete. |
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