Software Testing Tools Blog – Testertools

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

o Cached file read
o Memory copy (bcopy)
o Memory read
o Memory write
o Pipe
o TCP

* Latency benchmarks

o Context switching.

o Networking: connection establishment, pipe, TCP, UDP, and RPC hot potatoo File system creates and deletes.
o Process creation.

o Signal handling
o System call overhead
o Memory read latency

* Miscellaneous

Download LMbench documentation

• January ‘96 Usenix paper (76K, gzipped)
• June ‘98 Usenix paper on Mhz (239K, gzipped)
• Manual pages