LMBench - benchmarking tool

LMbench - Tools for Performance Analysis

What is LMbench?

• Suite of simple, portable benchmarks
• Compares different systems performance
• Results available for most major vendors (SUN, HP, IBM, DEC, SGI, PCs including 200 Mhz P6's)
• Free software, covered by the GNU General Public License.

• Bandwidth benchmarks
  • Cached file read
  • Memory copy (bcopy)
  • Memory read
  • Memory write
  • Pipe
  • TCP
• Latency benchmarks
  • Context switching.
  • Networking: connection establishment, pipe, TCP, UDP, and RPC hot potato
  • File system creates and deletes.
  • Process creation.
  • Signal handling
  • System call overhead
  • Memory read latency
• Miscellanious
  • Processor clock rate calculation