- ANSII C source
  
- POSIX async I/O
  
- Mmap() file I/O
  
- Normal file I/O
  
- Single stream measurement
  
- Multiple stream measurement
  
- Distributed fileserver measurements (Cluster) 
  
- POSIX pthreads
  
- Multi-process measurement
  
- Excel importable output for graph generation
  
- Latency plots
  
- 64bit compatible source
  
- Large file compatible
  
- Stonewalling in throughput tests to eliminate straggler effects
  
- Processor cache size configurable
  
- Selectable measurements with fsync, O_SYNC
  
- Builds for: AIX, BSDI, HP-UX, IRIX, FreeBSD, Linux, OpenBSD, NetBSD, 
OSFV3, OSFV4, OSFV5, SCO OpenServer, Solaris, MAC OS X, Windows (95/98/Me/NT/2K/XP)
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