• Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems.
  • Fio is an I/O tool meant to be used both for benchmark and stress/hardware verification.
  • vdbench disk I/O workloads



  • FLASH I/O benchmark routine measures the performance of the FLASH parallel HDF 5 output. It recreates the primary data structures in FLASH and produces a checkpoint file, a plotfile with centered data, and a plotfile with corner data.

Local Filesystem

  • Filebench is a file system and storage benchmark that allows to generate a high variety of workloads. It employs extensive Workload Model Language (WML) for detailed workload specification.
  • IOzone is a filesystem benchmark tool. The benchmark generates and measures a variety of file operations.
  • DBENCH is a tool to generate I/O workloads to either a filesystem or to a networked CIFS or NFS server. It can even talk to an iSCSI target.


  • Kraken Mozilla JavaScript Benchmark
  • Octane is a modern benchmark that measures a JavaScript engine’s performance by running a suite of tests representative of today’s complex and demanding web applications. Octane‘s goal is to measure the performance of JavaScript code found in large, real-world web applications, running on modern mobile and desktop browsers.
  • SunSpider tests the core JavaScript language only, not the DOM or other browser APIs.