IOPerf results

Results were obtained using a 8 kByte buffer, 5000 IO 1 pass. The test order in that table is :

Block IO Character Random
fwrite fread putc getc seek
Machine/FSKB KB/sec RealKB/sec CPU%CPU KB/sec RealKB/sec CPU%CPU KB/sec RealKB/sec CPU%CPU KB/sec RealKB/sec CPU%CPU KB/sec RealKB/sec CPU%CPU
_stargrid03r__star_data10_40000 1586.67117647.06 1.35 2182.21153846.15 1.42 1859.6020202.02 9.21 2244.6723391.81 9.60 1878.001878.00100.00
NPV_stargrid03r__star_data10_test_40000 127.5832727.700.39 392.2086469.230.46 137.1910449.011.32 574.5617438.383.32 1426.241815.1278.42

IOzone profiling

The profiling gives a gross performance view for several kByte buffer and several file size.
The Read/Write tests are unbuffered while FRead/FWrite tests are buffered.